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  MEAN WELL NTU-2200 series: True Sine Wave UPS Inverter - NTU-2200-148UN

  MEAN WELL NTU-2200-148UN is a true sine wave DC-AC inverter with built-in UPS AC bypass, 2200 W continuous output, a 48 VDC nominal battery input and 110 VAC / 60 Hz factory output. This model has a universal receptacle; apply the specified socket-current, input-voltage and temperature limits. Product Datasheet Download MEAN WELL NTU-2200 Datasheet (PDF) The NTU-2200 section is on PDF pages 19, 20, 21, 22, 23, 24, 25, 26, 27, 28. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model NTU-2200-148UN Series NTU-2200 Continuous output power 2200 W Nominal DC input voltage 48 VDC Default AC output voltage 110 VAC Overrated output power, 3 minutes 2530 W Peak output power, 10 seconds 3300 W Surge output power, 30 cycles 4400 W Selectable AC output voltage 100 / 110 / 115 / 120 VAC Factory output frequency 60 ±0.1 Hz Selectable output frequency 50 / 60 Hz Output waveform True sine wave; THD <3% AC regulation ±3.0% at rated output voltage Continuous, three-minute, ten-second and 30-cycle ratings are separate limits. Size the load for the selected output voltage and connection, and apply both input and thermal derating. Battery Input and Consumption Typical DC input range 40–66 VDC Typical DC input current 60 A Typical efficiency 91% Battery types Lead-acid or lithium-ion Typical no-load power, saving mode <15 W Typical no-load power, non-saving mode 25 W Off-mode current draw ≤2 mA Internal pre-start setup time 8 s Power saving is disabled by default. When enabled, automatic detection changes to saving mode at an AC output load of 10 W or less. The front-panel DIP switch selects saving or non-saving operation. Efficiency, AC regulation and THD are specified using a 1650 W linear load at 50 VDC input. Unless otherwise stated, measurements use rated load, 25°C ambient and factory settings. UPS AC Bypass AC input voltage selections 100 / 110 / 115 / 120 VAC AC input acceptance / recovery ±16% / ±13% of the selected AC output voltage AC input frequency range 45–65 Hz Typical transfer time 10 ms between inverter and AC bypass Factory supply priority Mains priority With mains priority selected, an available AC input within the permitted voltage band directly supplies the loads through the bypass. If AC input is absent or outside the ±16% band, the inverter supplies the load from the battery. Battery priority can be selected by the dedicated DIP-switch sequence. The bypass relays remain normally closed when the inverter is switched off. AC input can therefore still pass through to the loads; switching off the inverter is not isolation from the AC supply. In inverter mode, AC output N, receptacle Earth and FG are internally connected. In bypass mode, receptacle Earth remains connected to FG, while output L and N depend on the AC mains connection. Receptacle Earth and FG are always electrically joined. Protection Low DC alarm 44 ±1 VDC Low DC shutdown 40 ±1 VDC Low DC restart 50 ±1 VDC High DC alarm 62 ±1 VDC High DC shutdown 66 ±1 VDC High DC restart 60 ±1 VDC Internal fuse arrangement 4 × 25 A Circuit breaker 25 A Reverse battery polarity opens the internal fuse. Typical overload limits are 105–115% load for 180 seconds and 115–150% load for 10 seconds. Overload, output short circuit and overtemperature shut down the output; re-power on to recover. The low-voltage disconnect protects against battery over-discharge. Operating Conditions and Derating Operating ambient temperature −25 to +70°C, subject to derating Working humidity 20–90% RH, non-condensing Storage conditions −30 to +70°C; 10–95% RH, non-condensing Cooling Temperature-controlled fans Vibration 10–500 Hz, 3G; 10 minutes/cycle; 60 minutes each on X, Y and Z axes For horizontal mounting, the temperature curve permits 100% load from −25°C through 40°C, then 80% at 50°C, 50% at 60°C and 40% at 70°C. The upper operating temperature does not mean full-power operation. The DC input curve permits 80% load at 40 VDC, rising to 100% at 42 VDC and remaining at 100% up to 66 VDC. Apply the input and ambient-temperature limits together. Output Wiring and Installation Output connection universal receptacle Ordering condition Select the complete socket suffix shown in this model number Receptacle withstand current 16 A AC terminal sequence AC INPUT L, N; FG; AC OUTPUT L, N; FG Dimensions, L × W × H 420 × 270 × 98 mm Case and drawing tolerance Case 289A; dimensions in mm, general tolerance ±1 mm Reference mass per unit 8.6 kg / 8600 g; catalogue PACKING reference The output terminal connection is inside the AC output panel. Whenever load current exceeds the fitted receptacle rating, use that terminal connection instead of drawing the current through the receptacle. Socket limits are US 15 A, EU 16 A, CN 10 A, UN 16 A, UK 13 A and AU 10 A; these limits also apply when selecting a lower AC output voltage. The mechanical drawing shows chassis bonding, DC input polarity and outward airflow at the DC input-side fans. Keep the airflow path unobstructed and use the complete drawing for mounting-slot locations; its longitudinal callouts include 286, 266 and 246 mm, with 270 mm overall width and a 259 mm body-width callout. The PACKING field lists 8.6 kg per unit and 1 unit / 10.4 kg / 1.39 CUFT for the package. The per-unit value is a catalogue reference, not a measured shipping weight. Remote Control and Communications Built-in remote ON/OFF Pins 1 and 2 open: normal operation; short: remote off Remote connector and mating parts JST B-XH connector; JST XHP mating housing; JST SXH-001T terminal, or equivalents Serial interface RS-232 via the RJ11 remote port RS-232 receive connection RJ11 pin 2 (Rx) to DB9 pin 3 RS-232 signal ground RJ11 pin 3 (GND) to DB9 pin 5 RS-232 transmit connection RJ11 pin 4 (Tx) to DB9 pin 2 The serial interface reads internal data from one NTU-2200. It is separate from the two-contact dry-contact remote ON/OFF input. Select the full JST housing reference to match the two-contact connector and wire assembly shown in the drawing. Optional IRC1, IRC2 and IRC3 controllers monitor and control the inverter by decoding its RS-232 data. Available controller signals depend on the inverter model; display features do not establish additional functions in this inverter. DIP-Switch Settings SW1/SW2 OFF/OFF selects 100 VAC; OFF/ON selects 110 VAC; ON/OFF selects 115 VAC; ON/ON selects 120 VAC. SW3 ON selects 50 Hz and OFF selects 60 Hz. SW4 ON selects saving mode and OFF selects non-saving mode. To select battery priority: with power not applied, set DIP switches 2 and 3 OFF and arrange battery operation with remote OFF asserted. Within 15 seconds after applying power, set switches 2 and 3 both ON, then both OFF. All LEDs except AC Input flash green three times to confirm. Switch the NTU off, release remote OFF, then switch it on to load battery priority. To return to mains priority: begin with switches 2 and 3 ON and remote OFF asserted. Within 15 seconds after applying power, switch both OFF and then both ON. The same three green flashes confirm the setting. Switch the NTU off, release remote OFF, and switch it on again. This clears battery priority; it does not restore all factory settings. Follow the function-manual sequence before setting the required output voltage and frequency. Status Indicators Status LED: flashing green means system check; steady green means inverter OK; steady orange means remote OFF; flashing orange means saving mode; red indicates an abnormal state. DC Input LED for the 48 V model: green from 50–62 VDC; orange from 44–50 VDC; red below 44 VDC or above 62 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. The load LEDs are steady in mains-priority status and flashing in battery-priority status. AC Input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. With Status steady red: DC Input off and Load flashing red identifies overload or output short circuit; DC Input flashing red and Load off identifies abnormal DC voltage; both DC Input and Load flashing red identifies overtemperature or fan lock. Status flashing red with both DC Input and Load off identifies inverter failure. Safety, EMC and Reliability Certification scope for this socket No certification marks are listed for this universal-socket variant in the socket table. Emission scope The specification excludes Type-UN from its FCC and BS EN/EN55032 (CISPR32) Class A emission claims. DC input to AC input withstand 3.0 kVAC DC input to AC output withstand 3.0 kVAC AC output to FG withstand 1.5 kVAC MTBF, Telcordia TR/SR-332 344.9 thousand hours minimum MTBF, MIL-HDBK-217F 34.8 thousand hours minimum at 25°C CB IEC62368-1 and DEKRA BS EN/EN62368-1 apply where CB/DEKRA are listed for the selected socket. UL458 is limited to 112/124/148 TB configurations. AS/NZS 62368.1 relates to the Australian configuration; EAC refers to TP TC 004. Use the model-specific marks above, not the complete family logo set. Harmonic current: BS EN/EN61000-3-2 Class A; voltage flicker: BS EN/EN61000-3-3. Immunity references are BS EN/EN55024 and BS EN/EN55035: ESD EN61000-4-2 at 8 kV air, Level 3, and 4 kV contact, Level 2; radiated EN61000-4-3 Level 2; EFT/burst EN61000-4-4 Level 2 at 1 kV; surge EN61000-4-5 Level 3 at 1 kV line-to-line and 2 kV line-to-earth; conducted EN61000-4-6 Level 2; magnetic field EN61000-4-8 Level 1. EN61000-4-11 tests list >95% dip for 0.5 periods, 30% dip for 25 periods and >95% interruptions for 250 periods. The final equipment must be checked for compliance after integrating this inverter. Included Parts and Optional Accessories Standard terminal protectors One red cover, one black cover and four M3 screws Terminal-protector drawing dimensions 52 × 40.8 × 39.8 mm Optional communication cable RJ11-RS232; one cable, ordered separately Optional remote controllers IRC1, IRC2 or IRC3; ordered separately Optional handle kit Carry Handle; one handle, four foot pads and two screws; ordered separately The handle drawing shows 180 × 27 × 10 mm; its installation illustration uses two M4 screws. Terminal protectors are the standard supplied accessory; the communication cable, remote controller and Carry Handle are separate purchases. The inverter has MCU digital control and conformal coating. The manufacturer datasheet lists a three-year warranty; terms depend on the applicable supply arrangement. Applications include home and office appliances, power tools, portable equipment, vehicles, yachts and off-grid battery systems. The application diagrams show separate battery banks and external PB/NPB/NPP chargers; these system components are not integrated charging functions of the NTU inverter. Refer to the manufacturer installation manual for final wiring and setup.

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  MEAN WELL NTU-2200 series: True Sine Wave UPS Inverter - NTU-2200-124UN

  MEAN WELL NTU-2200-124UN is a true sine wave DC-AC inverter with built-in UPS AC bypass, 2200 W continuous output, a 24 VDC nominal battery input and 110 VAC / 60 Hz factory output. This model has a universal receptacle; apply the specified socket-current, input-voltage and temperature limits. Product Datasheet Download MEAN WELL NTU-2200 Datasheet (PDF) The NTU-2200 section is on PDF pages 19, 20, 21, 22, 23, 24, 25, 26, 27, 28. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model NTU-2200-124UN Series NTU-2200 Continuous output power 2200 W Nominal DC input voltage 24 VDC Default AC output voltage 110 VAC Overrated output power, 3 minutes 2530 W Peak output power, 10 seconds 3300 W Surge output power, 30 cycles 4400 W Selectable AC output voltage 100 / 110 / 115 / 120 VAC Factory output frequency 60 ±0.1 Hz Selectable output frequency 50 / 60 Hz Output waveform True sine wave; THD <3% AC regulation ±3.0% at rated output voltage Continuous, three-minute, ten-second and 30-cycle ratings are separate limits. Size the load for the selected output voltage and connection, and apply both input and thermal derating. Battery Input and Consumption Typical DC input range 20–33 VDC Typical DC input current 120 A Typical efficiency 90% Battery types Lead-acid or lithium-ion Typical no-load power, saving mode <15 W Typical no-load power, non-saving mode 25 W Off-mode current draw ≤2 mA Internal pre-start setup time 8 s Power saving is disabled by default. When enabled, automatic detection changes to saving mode at an AC output load of 10 W or less. The front-panel DIP switch selects saving or non-saving operation. Efficiency, AC regulation and THD are specified using a 1650 W linear load at 25 VDC input. Unless otherwise stated, measurements use rated load, 25°C ambient and factory settings. UPS AC Bypass AC input voltage selections 100 / 110 / 115 / 120 VAC AC input acceptance / recovery ±16% / ±13% of the selected AC output voltage AC input frequency range 45–65 Hz Typical transfer time 10 ms between inverter and AC bypass Factory supply priority Mains priority With mains priority selected, an available AC input within the permitted voltage band directly supplies the loads through the bypass. If AC input is absent or outside the ±16% band, the inverter supplies the load from the battery. Battery priority can be selected by the dedicated DIP-switch sequence. The bypass relays remain normally closed when the inverter is switched off. AC input can therefore still pass through to the loads; switching off the inverter is not isolation from the AC supply. In inverter mode, AC output N, receptacle Earth and FG are internally connected. In bypass mode, receptacle Earth remains connected to FG, while output L and N depend on the AC mains connection. Receptacle Earth and FG are always electrically joined. Protection Low DC alarm 22 ±0.5 VDC Low DC shutdown 20 ±0.5 VDC Low DC restart 25 ±0.5 VDC High DC alarm 31 ±0.5 VDC High DC shutdown 33 ±0.5 VDC High DC restart 30 ±0.5 VDC Internal fuse arrangement 4 × 40 A Circuit breaker 25 A Reverse battery polarity opens the internal fuse. Typical overload limits are 105–115% load for 180 seconds and 115–150% load for 10 seconds. Overload, output short circuit and overtemperature shut down the output; re-power on to recover. The low-voltage disconnect protects against battery over-discharge. Operating Conditions and Derating Operating ambient temperature −25 to +70°C, subject to derating Working humidity 20–90% RH, non-condensing Storage conditions −30 to +70°C; 10–95% RH, non-condensing Cooling Temperature-controlled fans Vibration 10–500 Hz, 3G; 10 minutes/cycle; 60 minutes each on X, Y and Z axes For horizontal mounting, the temperature curve permits 100% load from −25°C through 40°C, then 80% at 50°C, 50% at 60°C and 40% at 70°C. The upper operating temperature does not mean full-power operation. The DC input curve permits 80% load at 20 VDC, rising to 100% at 21 VDC and remaining at 100% up to 33 VDC. Apply the input and ambient-temperature limits together. Output Wiring and Installation Output connection universal receptacle Ordering condition Select the complete socket suffix shown in this model number Receptacle withstand current 16 A AC terminal sequence AC INPUT L, N; FG; AC OUTPUT L, N; FG Dimensions, L × W × H 420 × 270 × 98 mm Case and drawing tolerance Case 289A; dimensions in mm, general tolerance ±1 mm Reference mass per unit 8.6 kg / 8600 g; catalogue PACKING reference The output terminal connection is inside the AC output panel. Whenever load current exceeds the fitted receptacle rating, use that terminal connection instead of drawing the current through the receptacle. Socket limits are US 15 A, EU 16 A, CN 10 A, UN 16 A, UK 13 A and AU 10 A; these limits also apply when selecting a lower AC output voltage. The mechanical drawing shows chassis bonding, DC input polarity and outward airflow at the DC input-side fans. Keep the airflow path unobstructed and use the complete drawing for mounting-slot locations; its longitudinal callouts include 286, 266 and 246 mm, with 270 mm overall width and a 259 mm body-width callout. The PACKING field lists 8.6 kg per unit and 1 unit / 10.4 kg / 1.39 CUFT for the package. The per-unit value is a catalogue reference, not a measured shipping weight. Remote Control and Communications Built-in remote ON/OFF Pins 1 and 2 open: normal operation; short: remote off Remote connector and mating parts JST B-XH connector; JST XHP mating housing; JST SXH-001T terminal, or equivalents Serial interface RS-232 via the RJ11 remote port RS-232 receive connection RJ11 pin 2 (Rx) to DB9 pin 3 RS-232 signal ground RJ11 pin 3 (GND) to DB9 pin 5 RS-232 transmit connection RJ11 pin 4 (Tx) to DB9 pin 2 The serial interface reads internal data from one NTU-2200. It is separate from the two-contact dry-contact remote ON/OFF input. Select the full JST housing reference to match the two-contact connector and wire assembly shown in the drawing. Optional IRC1, IRC2 and IRC3 controllers monitor and control the inverter by decoding its RS-232 data. Available controller signals depend on the inverter model; display features do not establish additional functions in this inverter. DIP-Switch Settings SW1/SW2 OFF/OFF selects 100 VAC; OFF/ON selects 110 VAC; ON/OFF selects 115 VAC; ON/ON selects 120 VAC. SW3 ON selects 50 Hz and OFF selects 60 Hz. SW4 ON selects saving mode and OFF selects non-saving mode. To select battery priority: with power not applied, set DIP switches 2 and 3 OFF and arrange battery operation with remote OFF asserted. Within 15 seconds after applying power, set switches 2 and 3 both ON, then both OFF. All LEDs except AC Input flash green three times to confirm. Switch the NTU off, release remote OFF, then switch it on to load battery priority. To return to mains priority: begin with switches 2 and 3 ON and remote OFF asserted. Within 15 seconds after applying power, switch both OFF and then both ON. The same three green flashes confirm the setting. Switch the NTU off, release remote OFF, and switch it on again. This clears battery priority; it does not restore all factory settings. Follow the function-manual sequence before setting the required output voltage and frequency. Status Indicators Status LED: flashing green means system check; steady green means inverter OK; steady orange means remote OFF; flashing orange means saving mode; red indicates an abnormal state. DC Input LED for the 24 V model: green from 25–31 VDC; orange from 22–25 VDC; red below 22 VDC or above 31 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. The load LEDs are steady in mains-priority status and flashing in battery-priority status. AC Input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. With Status steady red: DC Input off and Load flashing red identifies overload or output short circuit; DC Input flashing red and Load off identifies abnormal DC voltage; both DC Input and Load flashing red identifies overtemperature or fan lock. Status flashing red with both DC Input and Load off identifies inverter failure. Safety, EMC and Reliability Certification scope for this socket No certification marks are listed for this universal-socket variant in the socket table. Emission scope The specification excludes Type-UN from its FCC and BS EN/EN55032 (CISPR32) Class A emission claims. DC input to AC input withstand 3.0 kVAC DC input to AC output withstand 3.0 kVAC AC output to FG withstand 1.5 kVAC MTBF, Telcordia TR/SR-332 344.9 thousand hours minimum MTBF, MIL-HDBK-217F 34.8 thousand hours minimum at 25°C CB IEC62368-1 and DEKRA BS EN/EN62368-1 apply where CB/DEKRA are listed for the selected socket. UL458 is limited to 112/124/148 TB configurations. AS/NZS 62368.1 relates to the Australian configuration; EAC refers to TP TC 004. Use the model-specific marks above, not the complete family logo set. Harmonic current: BS EN/EN61000-3-2 Class A; voltage flicker: BS EN/EN61000-3-3. Immunity references are BS EN/EN55024 and BS EN/EN55035: ESD EN61000-4-2 at 8 kV air, Level 3, and 4 kV contact, Level 2; radiated EN61000-4-3 Level 2; EFT/burst EN61000-4-4 Level 2 at 1 kV; surge EN61000-4-5 Level 3 at 1 kV line-to-line and 2 kV line-to-earth; conducted EN61000-4-6 Level 2; magnetic field EN61000-4-8 Level 1. EN61000-4-11 tests list >95% dip for 0.5 periods, 30% dip for 25 periods and >95% interruptions for 250 periods. The final equipment must be checked for compliance after integrating this inverter. Included Parts and Optional Accessories Standard terminal protectors One red cover, one black cover and four M3 screws Terminal-protector drawing dimensions 52 × 40.8 × 39.8 mm Optional communication cable RJ11-RS232; one cable, ordered separately Optional remote controllers IRC1, IRC2 or IRC3; ordered separately Optional handle kit Carry Handle; one handle, four foot pads and two screws; ordered separately The handle drawing shows 180 × 27 × 10 mm; its installation illustration uses two M4 screws. Terminal protectors are the standard supplied accessory; the communication cable, remote controller and Carry Handle are separate purchases. The inverter has MCU digital control and conformal coating. The manufacturer datasheet lists a three-year warranty; terms depend on the applicable supply arrangement. Applications include home and office appliances, power tools, portable equipment, vehicles, yachts and off-grid battery systems. The application diagrams show separate battery banks and external PB/NPB/NPP chargers; these system components are not integrated charging functions of the NTU inverter. Refer to the manufacturer installation manual for final wiring and setup.

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  MEAN WELL NTU-2200 series: True Sine Wave UPS Inverter - NTU-2200-112UN

  MEAN WELL NTU-2200-112UN is a true sine wave DC-AC inverter with built-in UPS AC bypass, 2200 W continuous output, a 12 VDC nominal battery input and 110 VAC / 60 Hz factory output. This model has a universal receptacle; apply the specified socket-current, input-voltage and temperature limits. Product Datasheet Download MEAN WELL NTU-2200 Datasheet (PDF) The NTU-2200 section is on PDF pages 19, 20, 21, 22, 23, 24, 25, 26, 27, 28. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model NTU-2200-112UN Series NTU-2200 Continuous output power 2200 W Nominal DC input voltage 12 VDC Default AC output voltage 110 VAC Overrated output power, 3 minutes 2530 W Peak output power, 10 seconds 3300 W Surge output power, 30 cycles 4400 W Selectable AC output voltage 100 / 110 / 115 / 120 VAC Factory output frequency 60 ±0.1 Hz Selectable output frequency 50 / 60 Hz Output waveform True sine wave; THD <3% AC regulation ±3.0% at rated output voltage Continuous, three-minute, ten-second and 30-cycle ratings are separate limits. Size the load for the selected output voltage and connection, and apply both input and thermal derating. Battery Input and Consumption Typical DC input range 10–16.5 VDC Typical DC input current 250 A Typical efficiency 89% Battery types Lead-acid or lithium-ion Typical no-load power, saving mode <15 W Typical no-load power, non-saving mode 25 W Off-mode current draw ≤2 mA Internal pre-start setup time 8 s Power saving is disabled by default. When enabled, automatic detection changes to saving mode at an AC output load of 10 W or less. The front-panel DIP switch selects saving or non-saving operation. Efficiency, AC regulation and THD are specified using a 1650 W linear load at 12.5 VDC input. Unless otherwise stated, measurements use rated load, 25°C ambient and factory settings. UPS AC Bypass AC input voltage selections 100 / 110 / 115 / 120 VAC AC input acceptance / recovery ±16% / ±13% of the selected AC output voltage AC input frequency range 45–65 Hz Typical transfer time 10 ms between inverter and AC bypass Factory supply priority Mains priority With mains priority selected, an available AC input within the permitted voltage band directly supplies the loads through the bypass. If AC input is absent or outside the ±16% band, the inverter supplies the load from the battery. Battery priority can be selected by the dedicated DIP-switch sequence. The bypass relays remain normally closed when the inverter is switched off. AC input can therefore still pass through to the loads; switching off the inverter is not isolation from the AC supply. In inverter mode, AC output N, receptacle Earth and FG are internally connected. In bypass mode, receptacle Earth remains connected to FG, while output L and N depend on the AC mains connection. Receptacle Earth and FG are always electrically joined. Protection Low DC alarm 11 ±0.3 VDC Low DC shutdown 10 ±0.3 VDC Low DC restart 12.5 ±0.3 VDC High DC alarm 15.5 ±0.3 VDC High DC shutdown 16.5 ±0.3 VDC High DC restart 15 ±0.3 VDC Internal fuse arrangement 8 × 40 A Circuit breaker 25 A Reverse battery polarity opens the internal fuse. Typical overload limits are 105–115% load for 180 seconds and 115–150% load for 10 seconds. Overload, output short circuit and overtemperature shut down the output; re-power on to recover. The low-voltage disconnect protects against battery over-discharge. Operating Conditions and Derating Operating ambient temperature −25 to +70°C, subject to derating Working humidity 20–90% RH, non-condensing Storage conditions −30 to +70°C; 10–95% RH, non-condensing Cooling Temperature-controlled fans Vibration 10–500 Hz, 3G; 10 minutes/cycle; 60 minutes each on X, Y and Z axes For horizontal mounting, the temperature curve permits 100% load from −25°C through 40°C, then 80% at 50°C, 50% at 60°C and 40% at 70°C. The upper operating temperature does not mean full-power operation. The DC input curve permits 80% load at 10 VDC, rising to 100% at 10.5 VDC and remaining at 100% up to 16.5 VDC. Apply the input and ambient-temperature limits together. Output Wiring and Installation Output connection universal receptacle Ordering condition Select the complete socket suffix shown in this model number Receptacle withstand current 16 A AC terminal sequence AC INPUT L, N; FG; AC OUTPUT L, N; FG Dimensions, L × W × H 420 × 270 × 98 mm Case and drawing tolerance Case 289A; dimensions in mm, general tolerance ±1 mm Reference mass per unit 8.6 kg / 8600 g; catalogue PACKING reference The output terminal connection is inside the AC output panel. Whenever load current exceeds the fitted receptacle rating, use that terminal connection instead of drawing the current through the receptacle. Socket limits are US 15 A, EU 16 A, CN 10 A, UN 16 A, UK 13 A and AU 10 A; these limits also apply when selecting a lower AC output voltage. The mechanical drawing shows chassis bonding, DC input polarity and outward airflow at the DC input-side fans. Keep the airflow path unobstructed and use the complete drawing for mounting-slot locations; its longitudinal callouts include 286, 266 and 246 mm, with 270 mm overall width and a 259 mm body-width callout. The PACKING field lists 8.6 kg per unit and 1 unit / 10.4 kg / 1.39 CUFT for the package. The per-unit value is a catalogue reference, not a measured shipping weight. Remote Control and Communications Built-in remote ON/OFF Pins 1 and 2 open: normal operation; short: remote off Remote connector and mating parts JST B-XH connector; JST XHP mating housing; JST SXH-001T terminal, or equivalents Serial interface RS-232 via the RJ11 remote port RS-232 receive connection RJ11 pin 2 (Rx) to DB9 pin 3 RS-232 signal ground RJ11 pin 3 (GND) to DB9 pin 5 RS-232 transmit connection RJ11 pin 4 (Tx) to DB9 pin 2 The serial interface reads internal data from one NTU-2200. It is separate from the two-contact dry-contact remote ON/OFF input. Select the full JST housing reference to match the two-contact connector and wire assembly shown in the drawing. Optional IRC1, IRC2 and IRC3 controllers monitor and control the inverter by decoding its RS-232 data. Available controller signals depend on the inverter model; display features do not establish additional functions in this inverter. DIP-Switch Settings SW1/SW2 OFF/OFF selects 100 VAC; OFF/ON selects 110 VAC; ON/OFF selects 115 VAC; ON/ON selects 120 VAC. SW3 ON selects 50 Hz and OFF selects 60 Hz. SW4 ON selects saving mode and OFF selects non-saving mode. To select battery priority: with power not applied, set DIP switches 2 and 3 OFF and arrange battery operation with remote OFF asserted. Within 15 seconds after applying power, set switches 2 and 3 both ON, then both OFF. All LEDs except AC Input flash green three times to confirm. Switch the NTU off, release remote OFF, then switch it on to load battery priority. To return to mains priority: begin with switches 2 and 3 ON and remote OFF asserted. Within 15 seconds after applying power, switch both OFF and then both ON. The same three green flashes confirm the setting. Switch the NTU off, release remote OFF, and switch it on again. This clears battery priority; it does not restore all factory settings. Follow the function-manual sequence before setting the required output voltage and frequency. Status Indicators Status LED: flashing green means system check; steady green means inverter OK; steady orange means remote OFF; flashing orange means saving mode; red indicates an abnormal state. DC Input LED for the 12 V model: green from 12.5–15.5 VDC; orange from 11–12.5 VDC; red below 11 VDC or above 15.5 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. The load LEDs are steady in mains-priority status and flashing in battery-priority status. AC Input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. With Status steady red: DC Input off and Load flashing red identifies overload or output short circuit; DC Input flashing red and Load off identifies abnormal DC voltage; both DC Input and Load flashing red identifies overtemperature or fan lock. Status flashing red with both DC Input and Load off identifies inverter failure. Safety, EMC and Reliability Certification scope for this socket No certification marks are listed for this universal-socket variant in the socket table. Emission scope The specification excludes Type-UN from its FCC and BS EN/EN55032 (CISPR32) Class A emission claims. DC input to AC input withstand 3.0 kVAC DC input to AC output withstand 3.0 kVAC AC output to FG withstand 1.5 kVAC MTBF, Telcordia TR/SR-332 344.9 thousand hours minimum MTBF, MIL-HDBK-217F 34.8 thousand hours minimum at 25°C CB IEC62368-1 and DEKRA BS EN/EN62368-1 apply where CB/DEKRA are listed for the selected socket. UL458 is limited to 112/124/148 TB configurations. AS/NZS 62368.1 relates to the Australian configuration; EAC refers to TP TC 004. Use the model-specific marks above, not the complete family logo set. Harmonic current: BS EN/EN61000-3-2 Class A; voltage flicker: BS EN/EN61000-3-3. Immunity references are BS EN/EN55024 and BS EN/EN55035: ESD EN61000-4-2 at 8 kV air, Level 3, and 4 kV contact, Level 2; radiated EN61000-4-3 Level 2; EFT/burst EN61000-4-4 Level 2 at 1 kV; surge EN61000-4-5 Level 3 at 1 kV line-to-line and 2 kV line-to-earth; conducted EN61000-4-6 Level 2; magnetic field EN61000-4-8 Level 1. EN61000-4-11 tests list >95% dip for 0.5 periods, 30% dip for 25 periods and >95% interruptions for 250 periods. The final equipment must be checked for compliance after integrating this inverter. Included Parts and Optional Accessories Standard terminal protectors One red cover, one black cover and four M3 screws Terminal-protector drawing dimensions 52 × 40.8 × 39.8 mm Optional communication cable RJ11-RS232; one cable, ordered separately Optional remote controllers IRC1, IRC2 or IRC3; ordered separately Optional handle kit Carry Handle; one handle, four foot pads and two screws; ordered separately The handle drawing shows 180 × 27 × 10 mm; its installation illustration uses two M4 screws. Terminal protectors are the standard supplied accessory; the communication cable, remote controller and Carry Handle are separate purchases. The inverter has MCU digital control and conformal coating. The manufacturer datasheet lists a three-year warranty; terms depend on the applicable supply arrangement. Applications include home and office appliances, power tools, portable equipment, vehicles, yachts and off-grid battery systems. The application diagrams show separate battery banks and external PB/NPB/NPP chargers; these system components are not integrated charging functions of the NTU inverter. Refer to the manufacturer installation manual for final wiring and setup.

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  MEAN WELL NTU-2200 series: True Sine Wave UPS Inverter - NTU-2200-148US

  MEAN WELL NTU-2200-148US is a true sine wave DC-AC inverter with built-in UPS AC bypass, 2200 W continuous output, a 48 VDC nominal battery input and 110 VAC / 60 Hz factory output. This model has US receptacles; apply the specified socket-current, input-voltage and temperature limits. Product Datasheet Download MEAN WELL NTU-2200 Datasheet (PDF) The NTU-2200 section is on PDF pages 19, 20, 21, 22, 23, 24, 25, 26, 27, 28. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model NTU-2200-148US Series NTU-2200 Continuous output power 2200 W Nominal DC input voltage 48 VDC Default AC output voltage 110 VAC Overrated output power, 3 minutes 2530 W Peak output power, 10 seconds 3300 W Surge output power, 30 cycles 4400 W Selectable AC output voltage 100 / 110 / 115 / 120 VAC Factory output frequency 60 ±0.1 Hz Selectable output frequency 50 / 60 Hz Output waveform True sine wave; THD <3% AC regulation ±3.0% at rated output voltage Continuous, three-minute, ten-second and 30-cycle ratings are separate limits. Size the load for the selected output voltage and connection, and apply both input and thermal derating. Battery Input and Consumption Typical DC input range 40–66 VDC Typical DC input current 60 A Typical efficiency 91% Battery types Lead-acid or lithium-ion Typical no-load power, saving mode <15 W Typical no-load power, non-saving mode 25 W Off-mode current draw ≤2 mA Internal pre-start setup time 8 s Power saving is disabled by default. When enabled, automatic detection changes to saving mode at an AC output load of 10 W or less. The front-panel DIP switch selects saving or non-saving operation. Efficiency, AC regulation and THD are specified using a 1650 W linear load at 50 VDC input. Unless otherwise stated, measurements use rated load, 25°C ambient and factory settings. UPS AC Bypass AC input voltage selections 100 / 110 / 115 / 120 VAC AC input acceptance / recovery ±16% / ±13% of the selected AC output voltage AC input frequency range 45–65 Hz Typical transfer time 10 ms between inverter and AC bypass Factory supply priority Mains priority With mains priority selected, an available AC input within the permitted voltage band directly supplies the loads through the bypass. If AC input is absent or outside the ±16% band, the inverter supplies the load from the battery. Battery priority can be selected by the dedicated DIP-switch sequence. The bypass relays remain normally closed when the inverter is switched off. AC input can therefore still pass through to the loads; switching off the inverter is not isolation from the AC supply. In inverter mode, AC output N, receptacle Earth and FG are internally connected. In bypass mode, receptacle Earth remains connected to FG, while output L and N depend on the AC mains connection. Receptacle Earth and FG are always electrically joined. Protection Low DC alarm 44 ±1 VDC Low DC shutdown 40 ±1 VDC Low DC restart 50 ±1 VDC High DC alarm 62 ±1 VDC High DC shutdown 66 ±1 VDC High DC restart 60 ±1 VDC Internal fuse arrangement 4 × 25 A Circuit breaker 25 A Reverse battery polarity opens the internal fuse. Typical overload limits are 105–115% load for 180 seconds and 115–150% load for 10 seconds. Overload, output short circuit and overtemperature shut down the output; re-power on to recover. The low-voltage disconnect protects against battery over-discharge. Operating Conditions and Derating Operating ambient temperature −25 to +70°C, subject to derating Working humidity 20–90% RH, non-condensing Storage conditions −30 to +70°C; 10–95% RH, non-condensing Cooling Temperature-controlled fans Vibration 10–500 Hz, 3G; 10 minutes/cycle; 60 minutes each on X, Y and Z axes For horizontal mounting, the temperature curve permits 100% load from −25°C through 40°C, then 80% at 50°C, 50% at 60°C and 40% at 70°C. The upper operating temperature does not mean full-power operation. The DC input curve permits 80% load at 40 VDC, rising to 100% at 42 VDC and remaining at 100% up to 66 VDC. Apply the input and ambient-temperature limits together. Output Wiring and Installation Output connection US receptacles Ordering condition Select the complete socket suffix shown in this model number Receptacle withstand current 15 A AC terminal sequence AC INPUT L, N; FG; AC OUTPUT L, N; FG Dimensions, L × W × H 420 × 270 × 98 mm Case and drawing tolerance Case 289A; dimensions in mm, general tolerance ±1 mm Reference mass per unit 8.6 kg / 8600 g; catalogue PACKING reference The output terminal connection is inside the AC output panel. Whenever load current exceeds the fitted receptacle rating, use that terminal connection instead of drawing the current through the receptacle. Socket limits are US 15 A, EU 16 A, CN 10 A, UN 16 A, UK 13 A and AU 10 A; these limits also apply when selecting a lower AC output voltage. The mechanical drawing shows chassis bonding, DC input polarity and outward airflow at the DC input-side fans. Keep the airflow path unobstructed and use the complete drawing for mounting-slot locations; its longitudinal callouts include 286, 266 and 246 mm, with 270 mm overall width and a 259 mm body-width callout. The PACKING field lists 8.6 kg per unit and 1 unit / 10.4 kg / 1.39 CUFT for the package. The per-unit value is a catalogue reference, not a measured shipping weight. Remote Control and Communications Built-in remote ON/OFF Pins 1 and 2 open: normal operation; short: remote off Remote connector and mating parts JST B-XH connector; JST XHP mating housing; JST SXH-001T terminal, or equivalents Serial interface RS-232 via the RJ11 remote port RS-232 receive connection RJ11 pin 2 (Rx) to DB9 pin 3 RS-232 signal ground RJ11 pin 3 (GND) to DB9 pin 5 RS-232 transmit connection RJ11 pin 4 (Tx) to DB9 pin 2 The serial interface reads internal data from one NTU-2200. It is separate from the two-contact dry-contact remote ON/OFF input. Select the full JST housing reference to match the two-contact connector and wire assembly shown in the drawing. Optional IRC1, IRC2 and IRC3 controllers monitor and control the inverter by decoding its RS-232 data. Available controller signals depend on the inverter model; display features do not establish additional functions in this inverter. DIP-Switch Settings SW1/SW2 OFF/OFF selects 100 VAC; OFF/ON selects 110 VAC; ON/OFF selects 115 VAC; ON/ON selects 120 VAC. SW3 ON selects 50 Hz and OFF selects 60 Hz. SW4 ON selects saving mode and OFF selects non-saving mode. To select battery priority: with power not applied, set DIP switches 2 and 3 OFF and arrange battery operation with remote OFF asserted. Within 15 seconds after applying power, set switches 2 and 3 both ON, then both OFF. All LEDs except AC Input flash green three times to confirm. Switch the NTU off, release remote OFF, then switch it on to load battery priority. To return to mains priority: begin with switches 2 and 3 ON and remote OFF asserted. Within 15 seconds after applying power, switch both OFF and then both ON. The same three green flashes confirm the setting. Switch the NTU off, release remote OFF, and switch it on again. This clears battery priority; it does not restore all factory settings. Follow the function-manual sequence before setting the required output voltage and frequency. Status Indicators Status LED: flashing green means system check; steady green means inverter OK; steady orange means remote OFF; flashing orange means saving mode; red indicates an abnormal state. DC Input LED for the 48 V model: green from 50–62 VDC; orange from 44–50 VDC; red below 44 VDC or above 62 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. The load LEDs are steady in mains-priority status and flashing in battery-priority status. AC Input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. With Status steady red: DC Input off and Load flashing red identifies overload or output short circuit; DC Input flashing red and Load off identifies abnormal DC voltage; both DC Input and Load flashing red identifies overtemperature or fan lock. Status flashing red with both DC Input and Load off identifies inverter failure. Safety, EMC and Reliability Certification scope for this socket CB, DEKRA and FCC. Emission scope FCC Class A, radiated and conducted, for the 112/124/148 output group. DC input to AC input withstand 3.0 kVAC DC input to AC output withstand 3.0 kVAC AC output to FG withstand 1.5 kVAC MTBF, Telcordia TR/SR-332 344.9 thousand hours minimum MTBF, MIL-HDBK-217F 34.8 thousand hours minimum at 25°C CB IEC62368-1 and DEKRA BS EN/EN62368-1 apply where CB/DEKRA are listed for the selected socket. UL458 is limited to 112/124/148 TB configurations. AS/NZS 62368.1 relates to the Australian configuration; EAC refers to TP TC 004. Use the model-specific marks above, not the complete family logo set. Harmonic current: BS EN/EN61000-3-2 Class A; voltage flicker: BS EN/EN61000-3-3. Immunity references are BS EN/EN55024 and BS EN/EN55035: ESD EN61000-4-2 at 8 kV air, Level 3, and 4 kV contact, Level 2; radiated EN61000-4-3 Level 2; EFT/burst EN61000-4-4 Level 2 at 1 kV; surge EN61000-4-5 Level 3 at 1 kV line-to-line and 2 kV line-to-earth; conducted EN61000-4-6 Level 2; magnetic field EN61000-4-8 Level 1. EN61000-4-11 tests list >95% dip for 0.5 periods, 30% dip for 25 periods and >95% interruptions for 250 periods. The final equipment must be checked for compliance after integrating this inverter. Included Parts and Optional Accessories Standard terminal protectors One red cover, one black cover and four M3 screws Terminal-protector drawing dimensions 52 × 40.8 × 39.8 mm Optional communication cable RJ11-RS232; one cable, ordered separately Optional remote controllers IRC1, IRC2 or IRC3; ordered separately Optional handle kit Carry Handle; one handle, four foot pads and two screws; ordered separately The handle drawing shows 180 × 27 × 10 mm; its installation illustration uses two M4 screws. Terminal protectors are the standard supplied accessory; the communication cable, remote controller and Carry Handle are separate purchases. The inverter has MCU digital control and conformal coating. The manufacturer datasheet lists a three-year warranty; terms depend on the applicable supply arrangement. Applications include home and office appliances, power tools, portable equipment, vehicles, yachts and off-grid battery systems. The application diagrams show separate battery banks and external PB/NPB/NPP chargers; these system components are not integrated charging functions of the NTU inverter. Refer to the manufacturer installation manual for final wiring and setup.

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  MEAN WELL NTU-2200 series: True Sine Wave UPS Inverter - NTU-2200-124US

  MEAN WELL NTU-2200-124US is a true sine wave DC-AC inverter with built-in UPS AC bypass, 2200 W continuous output, a 24 VDC nominal battery input and 110 VAC / 60 Hz factory output. This model has US receptacles; apply the specified socket-current, input-voltage and temperature limits. Product Datasheet Download MEAN WELL NTU-2200 Datasheet (PDF) The NTU-2200 section is on PDF pages 19, 20, 21, 22, 23, 24, 25, 26, 27, 28. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model NTU-2200-124US Series NTU-2200 Continuous output power 2200 W Nominal DC input voltage 24 VDC Default AC output voltage 110 VAC Overrated output power, 3 minutes 2530 W Peak output power, 10 seconds 3300 W Surge output power, 30 cycles 4400 W Selectable AC output voltage 100 / 110 / 115 / 120 VAC Factory output frequency 60 ±0.1 Hz Selectable output frequency 50 / 60 Hz Output waveform True sine wave; THD <3% AC regulation ±3.0% at rated output voltage Continuous, three-minute, ten-second and 30-cycle ratings are separate limits. Size the load for the selected output voltage and connection, and apply both input and thermal derating. Battery Input and Consumption Typical DC input range 20–33 VDC Typical DC input current 120 A Typical efficiency 90% Battery types Lead-acid or lithium-ion Typical no-load power, saving mode <15 W Typical no-load power, non-saving mode 25 W Off-mode current draw ≤2 mA Internal pre-start setup time 8 s Power saving is disabled by default. When enabled, automatic detection changes to saving mode at an AC output load of 10 W or less. The front-panel DIP switch selects saving or non-saving operation. Efficiency, AC regulation and THD are specified using a 1650 W linear load at 25 VDC input. Unless otherwise stated, measurements use rated load, 25°C ambient and factory settings. UPS AC Bypass AC input voltage selections 100 / 110 / 115 / 120 VAC AC input acceptance / recovery ±16% / ±13% of the selected AC output voltage AC input frequency range 45–65 Hz Typical transfer time 10 ms between inverter and AC bypass Factory supply priority Mains priority With mains priority selected, an available AC input within the permitted voltage band directly supplies the loads through the bypass. If AC input is absent or outside the ±16% band, the inverter supplies the load from the battery. Battery priority can be selected by the dedicated DIP-switch sequence. The bypass relays remain normally closed when the inverter is switched off. AC input can therefore still pass through to the loads; switching off the inverter is not isolation from the AC supply. In inverter mode, AC output N, receptacle Earth and FG are internally connected. In bypass mode, receptacle Earth remains connected to FG, while output L and N depend on the AC mains connection. Receptacle Earth and FG are always electrically joined. Protection Low DC alarm 22 ±0.5 VDC Low DC shutdown 20 ±0.5 VDC Low DC restart 25 ±0.5 VDC High DC alarm 31 ±0.5 VDC High DC shutdown 33 ±0.5 VDC High DC restart 30 ±0.5 VDC Internal fuse arrangement 4 × 40 A Circuit breaker 25 A Reverse battery polarity opens the internal fuse. Typical overload limits are 105–115% load for 180 seconds and 115–150% load for 10 seconds. Overload, output short circuit and overtemperature shut down the output; re-power on to recover. The low-voltage disconnect protects against battery over-discharge. Operating Conditions and Derating Operating ambient temperature −25 to +70°C, subject to derating Working humidity 20–90% RH, non-condensing Storage conditions −30 to +70°C; 10–95% RH, non-condensing Cooling Temperature-controlled fans Vibration 10–500 Hz, 3G; 10 minutes/cycle; 60 minutes each on X, Y and Z axes For horizontal mounting, the temperature curve permits 100% load from −25°C through 40°C, then 80% at 50°C, 50% at 60°C and 40% at 70°C. The upper operating temperature does not mean full-power operation. The DC input curve permits 80% load at 20 VDC, rising to 100% at 21 VDC and remaining at 100% up to 33 VDC. Apply the input and ambient-temperature limits together. Output Wiring and Installation Output connection US receptacles Ordering condition Select the complete socket suffix shown in this model number Receptacle withstand current 15 A AC terminal sequence AC INPUT L, N; FG; AC OUTPUT L, N; FG Dimensions, L × W × H 420 × 270 × 98 mm Case and drawing tolerance Case 289A; dimensions in mm, general tolerance ±1 mm Reference mass per unit 8.6 kg / 8600 g; catalogue PACKING reference The output terminal connection is inside the AC output panel. Whenever load current exceeds the fitted receptacle rating, use that terminal connection instead of drawing the current through the receptacle. Socket limits are US 15 A, EU 16 A, CN 10 A, UN 16 A, UK 13 A and AU 10 A; these limits also apply when selecting a lower AC output voltage. The mechanical drawing shows chassis bonding, DC input polarity and outward airflow at the DC input-side fans. Keep the airflow path unobstructed and use the complete drawing for mounting-slot locations; its longitudinal callouts include 286, 266 and 246 mm, with 270 mm overall width and a 259 mm body-width callout. The PACKING field lists 8.6 kg per unit and 1 unit / 10.4 kg / 1.39 CUFT for the package. The per-unit value is a catalogue reference, not a measured shipping weight. Remote Control and Communications Built-in remote ON/OFF Pins 1 and 2 open: normal operation; short: remote off Remote connector and mating parts JST B-XH connector; JST XHP mating housing; JST SXH-001T terminal, or equivalents Serial interface RS-232 via the RJ11 remote port RS-232 receive connection RJ11 pin 2 (Rx) to DB9 pin 3 RS-232 signal ground RJ11 pin 3 (GND) to DB9 pin 5 RS-232 transmit connection RJ11 pin 4 (Tx) to DB9 pin 2 The serial interface reads internal data from one NTU-2200. It is separate from the two-contact dry-contact remote ON/OFF input. Select the full JST housing reference to match the two-contact connector and wire assembly shown in the drawing. Optional IRC1, IRC2 and IRC3 controllers monitor and control the inverter by decoding its RS-232 data. Available controller signals depend on the inverter model; display features do not establish additional functions in this inverter. DIP-Switch Settings SW1/SW2 OFF/OFF selects 100 VAC; OFF/ON selects 110 VAC; ON/OFF selects 115 VAC; ON/ON selects 120 VAC. SW3 ON selects 50 Hz and OFF selects 60 Hz. SW4 ON selects saving mode and OFF selects non-saving mode. To select battery priority: with power not applied, set DIP switches 2 and 3 OFF and arrange battery operation with remote OFF asserted. Within 15 seconds after applying power, set switches 2 and 3 both ON, then both OFF. All LEDs except AC Input flash green three times to confirm. Switch the NTU off, release remote OFF, then switch it on to load battery priority. To return to mains priority: begin with switches 2 and 3 ON and remote OFF asserted. Within 15 seconds after applying power, switch both OFF and then both ON. The same three green flashes confirm the setting. Switch the NTU off, release remote OFF, and switch it on again. This clears battery priority; it does not restore all factory settings. Follow the function-manual sequence before setting the required output voltage and frequency. Status Indicators Status LED: flashing green means system check; steady green means inverter OK; steady orange means remote OFF; flashing orange means saving mode; red indicates an abnormal state. DC Input LED for the 24 V model: green from 25–31 VDC; orange from 22–25 VDC; red below 22 VDC or above 31 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. The load LEDs are steady in mains-priority status and flashing in battery-priority status. AC Input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. With Status steady red: DC Input off and Load flashing red identifies overload or output short circuit; DC Input flashing red and Load off identifies abnormal DC voltage; both DC Input and Load flashing red identifies overtemperature or fan lock. Status flashing red with both DC Input and Load off identifies inverter failure. Safety, EMC and Reliability Certification scope for this socket CB, DEKRA and FCC. Emission scope FCC Class A, radiated and conducted, for the 112/124/148 output group. DC input to AC input withstand 3.0 kVAC DC input to AC output withstand 3.0 kVAC AC output to FG withstand 1.5 kVAC MTBF, Telcordia TR/SR-332 344.9 thousand hours minimum MTBF, MIL-HDBK-217F 34.8 thousand hours minimum at 25°C CB IEC62368-1 and DEKRA BS EN/EN62368-1 apply where CB/DEKRA are listed for the selected socket. UL458 is limited to 112/124/148 TB configurations. AS/NZS 62368.1 relates to the Australian configuration; EAC refers to TP TC 004. Use the model-specific marks above, not the complete family logo set. Harmonic current: BS EN/EN61000-3-2 Class A; voltage flicker: BS EN/EN61000-3-3. Immunity references are BS EN/EN55024 and BS EN/EN55035: ESD EN61000-4-2 at 8 kV air, Level 3, and 4 kV contact, Level 2; radiated EN61000-4-3 Level 2; EFT/burst EN61000-4-4 Level 2 at 1 kV; surge EN61000-4-5 Level 3 at 1 kV line-to-line and 2 kV line-to-earth; conducted EN61000-4-6 Level 2; magnetic field EN61000-4-8 Level 1. EN61000-4-11 tests list >95% dip for 0.5 periods, 30% dip for 25 periods and >95% interruptions for 250 periods. The final equipment must be checked for compliance after integrating this inverter. Included Parts and Optional Accessories Standard terminal protectors One red cover, one black cover and four M3 screws Terminal-protector drawing dimensions 52 × 40.8 × 39.8 mm Optional communication cable RJ11-RS232; one cable, ordered separately Optional remote controllers IRC1, IRC2 or IRC3; ordered separately Optional handle kit Carry Handle; one handle, four foot pads and two screws; ordered separately The handle drawing shows 180 × 27 × 10 mm; its installation illustration uses two M4 screws. Terminal protectors are the standard supplied accessory; the communication cable, remote controller and Carry Handle are separate purchases. The inverter has MCU digital control and conformal coating. The manufacturer datasheet lists a three-year warranty; terms depend on the applicable supply arrangement. Applications include home and office appliances, power tools, portable equipment, vehicles, yachts and off-grid battery systems. The application diagrams show separate battery banks and external PB/NPB/NPP chargers; these system components are not integrated charging functions of the NTU inverter. Refer to the manufacturer installation manual for final wiring and setup.

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  MEAN WELL NTU-2200 series: True Sine Wave UPS Inverter - NTU-2200-112US

  MEAN WELL NTU-2200-112US is a true sine wave DC-AC inverter with built-in UPS AC bypass, 2200 W continuous output, a 12 VDC nominal battery input and 110 VAC / 60 Hz factory output. This model has US receptacles; apply the specified socket-current, input-voltage and temperature limits. Product Datasheet Download MEAN WELL NTU-2200 Datasheet (PDF) The NTU-2200 section is on PDF pages 19, 20, 21, 22, 23, 24, 25, 26, 27, 28. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model NTU-2200-112US Series NTU-2200 Continuous output power 2200 W Nominal DC input voltage 12 VDC Default AC output voltage 110 VAC Overrated output power, 3 minutes 2530 W Peak output power, 10 seconds 3300 W Surge output power, 30 cycles 4400 W Selectable AC output voltage 100 / 110 / 115 / 120 VAC Factory output frequency 60 ±0.1 Hz Selectable output frequency 50 / 60 Hz Output waveform True sine wave; THD <3% AC regulation ±3.0% at rated output voltage Continuous, three-minute, ten-second and 30-cycle ratings are separate limits. Size the load for the selected output voltage and connection, and apply both input and thermal derating. Battery Input and Consumption Typical DC input range 10–16.5 VDC Typical DC input current 250 A Typical efficiency 89% Battery types Lead-acid or lithium-ion Typical no-load power, saving mode <15 W Typical no-load power, non-saving mode 25 W Off-mode current draw ≤2 mA Internal pre-start setup time 8 s Power saving is disabled by default. When enabled, automatic detection changes to saving mode at an AC output load of 10 W or less. The front-panel DIP switch selects saving or non-saving operation. Efficiency, AC regulation and THD are specified using a 1650 W linear load at 12.5 VDC input. Unless otherwise stated, measurements use rated load, 25°C ambient and factory settings. UPS AC Bypass AC input voltage selections 100 / 110 / 115 / 120 VAC AC input acceptance / recovery ±16% / ±13% of the selected AC output voltage AC input frequency range 45–65 Hz Typical transfer time 10 ms between inverter and AC bypass Factory supply priority Mains priority With mains priority selected, an available AC input within the permitted voltage band directly supplies the loads through the bypass. If AC input is absent or outside the ±16% band, the inverter supplies the load from the battery. Battery priority can be selected by the dedicated DIP-switch sequence. The bypass relays remain normally closed when the inverter is switched off. AC input can therefore still pass through to the loads; switching off the inverter is not isolation from the AC supply. In inverter mode, AC output N, receptacle Earth and FG are internally connected. In bypass mode, receptacle Earth remains connected to FG, while output L and N depend on the AC mains connection. Receptacle Earth and FG are always electrically joined. Protection Low DC alarm 11 ±0.3 VDC Low DC shutdown 10 ±0.3 VDC Low DC restart 12.5 ±0.3 VDC High DC alarm 15.5 ±0.3 VDC High DC shutdown 16.5 ±0.3 VDC High DC restart 15 ±0.3 VDC Internal fuse arrangement 8 × 40 A Circuit breaker 25 A Reverse battery polarity opens the internal fuse. Typical overload limits are 105–115% load for 180 seconds and 115–150% load for 10 seconds. Overload, output short circuit and overtemperature shut down the output; re-power on to recover. The low-voltage disconnect protects against battery over-discharge. Operating Conditions and Derating Operating ambient temperature −25 to +70°C, subject to derating Working humidity 20–90% RH, non-condensing Storage conditions −30 to +70°C; 10–95% RH, non-condensing Cooling Temperature-controlled fans Vibration 10–500 Hz, 3G; 10 minutes/cycle; 60 minutes each on X, Y and Z axes For horizontal mounting, the temperature curve permits 100% load from −25°C through 40°C, then 80% at 50°C, 50% at 60°C and 40% at 70°C. The upper operating temperature does not mean full-power operation. The DC input curve permits 80% load at 10 VDC, rising to 100% at 10.5 VDC and remaining at 100% up to 16.5 VDC. Apply the input and ambient-temperature limits together. Output Wiring and Installation Output connection US receptacles Ordering condition Select the complete socket suffix shown in this model number Receptacle withstand current 15 A AC terminal sequence AC INPUT L, N; FG; AC OUTPUT L, N; FG Dimensions, L × W × H 420 × 270 × 98 mm Case and drawing tolerance Case 289A; dimensions in mm, general tolerance ±1 mm Reference mass per unit 8.6 kg / 8600 g; catalogue PACKING reference The output terminal connection is inside the AC output panel. Whenever load current exceeds the fitted receptacle rating, use that terminal connection instead of drawing the current through the receptacle. Socket limits are US 15 A, EU 16 A, CN 10 A, UN 16 A, UK 13 A and AU 10 A; these limits also apply when selecting a lower AC output voltage. The mechanical drawing shows chassis bonding, DC input polarity and outward airflow at the DC input-side fans. Keep the airflow path unobstructed and use the complete drawing for mounting-slot locations; its longitudinal callouts include 286, 266 and 246 mm, with 270 mm overall width and a 259 mm body-width callout. The PACKING field lists 8.6 kg per unit and 1 unit / 10.4 kg / 1.39 CUFT for the package. The per-unit value is a catalogue reference, not a measured shipping weight. Remote Control and Communications Built-in remote ON/OFF Pins 1 and 2 open: normal operation; short: remote off Remote connector and mating parts JST B-XH connector; JST XHP mating housing; JST SXH-001T terminal, or equivalents Serial interface RS-232 via the RJ11 remote port RS-232 receive connection RJ11 pin 2 (Rx) to DB9 pin 3 RS-232 signal ground RJ11 pin 3 (GND) to DB9 pin 5 RS-232 transmit connection RJ11 pin 4 (Tx) to DB9 pin 2 The serial interface reads internal data from one NTU-2200. It is separate from the two-contact dry-contact remote ON/OFF input. Select the full JST housing reference to match the two-contact connector and wire assembly shown in the drawing. Optional IRC1, IRC2 and IRC3 controllers monitor and control the inverter by decoding its RS-232 data. Available controller signals depend on the inverter model; display features do not establish additional functions in this inverter. DIP-Switch Settings SW1/SW2 OFF/OFF selects 100 VAC; OFF/ON selects 110 VAC; ON/OFF selects 115 VAC; ON/ON selects 120 VAC. SW3 ON selects 50 Hz and OFF selects 60 Hz. SW4 ON selects saving mode and OFF selects non-saving mode. To select battery priority: with power not applied, set DIP switches 2 and 3 OFF and arrange battery operation with remote OFF asserted. Within 15 seconds after applying power, set switches 2 and 3 both ON, then both OFF. All LEDs except AC Input flash green three times to confirm. Switch the NTU off, release remote OFF, then switch it on to load battery priority. To return to mains priority: begin with switches 2 and 3 ON and remote OFF asserted. Within 15 seconds after applying power, switch both OFF and then both ON. The same three green flashes confirm the setting. Switch the NTU off, release remote OFF, and switch it on again. This clears battery priority; it does not restore all factory settings. Follow the function-manual sequence before setting the required output voltage and frequency. Status Indicators Status LED: flashing green means system check; steady green means inverter OK; steady orange means remote OFF; flashing orange means saving mode; red indicates an abnormal state. DC Input LED for the 12 V model: green from 12.5–15.5 VDC; orange from 11–12.5 VDC; red below 11 VDC or above 15.5 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. The load LEDs are steady in mains-priority status and flashing in battery-priority status. AC Input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. With Status steady red: DC Input off and Load flashing red identifies overload or output short circuit; DC Input flashing red and Load off identifies abnormal DC voltage; both DC Input and Load flashing red identifies overtemperature or fan lock. Status flashing red with both DC Input and Load off identifies inverter failure. Safety, EMC and Reliability Certification scope for this socket CB, DEKRA and FCC. Emission scope FCC Class A, radiated and conducted, for the 112/124/148 output group. DC input to AC input withstand 3.0 kVAC DC input to AC output withstand 3.0 kVAC AC output to FG withstand 1.5 kVAC MTBF, Telcordia TR/SR-332 344.9 thousand hours minimum MTBF, MIL-HDBK-217F 34.8 thousand hours minimum at 25°C CB IEC62368-1 and DEKRA BS EN/EN62368-1 apply where CB/DEKRA are listed for the selected socket. UL458 is limited to 112/124/148 TB configurations. AS/NZS 62368.1 relates to the Australian configuration; EAC refers to TP TC 004. Use the model-specific marks above, not the complete family logo set. Harmonic current: BS EN/EN61000-3-2 Class A; voltage flicker: BS EN/EN61000-3-3. Immunity references are BS EN/EN55024 and BS EN/EN55035: ESD EN61000-4-2 at 8 kV air, Level 3, and 4 kV contact, Level 2; radiated EN61000-4-3 Level 2; EFT/burst EN61000-4-4 Level 2 at 1 kV; surge EN61000-4-5 Level 3 at 1 kV line-to-line and 2 kV line-to-earth; conducted EN61000-4-6 Level 2; magnetic field EN61000-4-8 Level 1. EN61000-4-11 tests list >95% dip for 0.5 periods, 30% dip for 25 periods and >95% interruptions for 250 periods. The final equipment must be checked for compliance after integrating this inverter. Included Parts and Optional Accessories Standard terminal protectors One red cover, one black cover and four M3 screws Terminal-protector drawing dimensions 52 × 40.8 × 39.8 mm Optional communication cable RJ11-RS232; one cable, ordered separately Optional remote controllers IRC1, IRC2 or IRC3; ordered separately Optional handle kit Carry Handle; one handle, four foot pads and two screws; ordered separately The handle drawing shows 180 × 27 × 10 mm; its installation illustration uses two M4 screws. Terminal protectors are the standard supplied accessory; the communication cable, remote controller and Carry Handle are separate purchases. The inverter has MCU digital control and conformal coating. The manufacturer datasheet lists a three-year warranty; terms depend on the applicable supply arrangement. Applications include home and office appliances, power tools, portable equipment, vehicles, yachts and off-grid battery systems. The application diagrams show separate battery banks and external PB/NPB/NPP chargers; these system components are not integrated charging functions of the NTU inverter. Refer to the manufacturer installation manual for final wiring and setup.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-248UN

  MEAN WELL NTU-1700-248UN is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 48 VDC battery, with 230 VAC / 50 Hz factory output and a universal receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 48 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-248UN selects the NTU-1700 family, AC voltage code 2, 48 VDC input and universal receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 40–66 VDC Typical DC input current 42.5 A Typical conversion efficiency 93% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 25 A × 3 Low-input alarm 44 ± 1 VDC Low-input shutdown 40 ± 1 VDC Low-input restart 50 ± 1 VDC High-input alarm 62 ± 1 VDC High-input shutdown 66 ± 1 VDC High-input restart 60 ± 1 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 48 V model: approximately 50% load at 40 VDC, rising along its curve to 100% at 42 VDC and remaining at 100% to 66 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 48 V model: green at 50–62 VDC; orange at 44–50 VDC; red at <44 or >62 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability For this 200–240 VAC universal-receptacle version, the socket table shows E13 and EAC; it does not assign the full European/Australian socket approval set to this version. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. FCC / EN 55032 Class A radiated and conducted emissions are explicitly excluded for Type-UN in the specification; do not claim that classification for this socket. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-224UN

  MEAN WELL NTU-1700-224UN is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 24 VDC battery, with 230 VAC / 50 Hz factory output and a universal receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 24 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-224UN selects the NTU-1700 family, AC voltage code 2, 24 VDC input and universal receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 20–33 VDC Typical DC input current 85 A Typical conversion efficiency 92% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 3 Low-input alarm 22 ± 0.5 VDC Low-input shutdown 20 ± 0.5 VDC Low-input restart 25 ± 0.5 VDC High-input alarm 31 ± 0.5 VDC High-input shutdown 33 ± 0.5 VDC High-input restart 30 ± 0.5 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 24 V model: approximately 50% load at 20 VDC, rising along its curve to 100% at 21 VDC and remaining at 100% to 33 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 24 V model: green at 25–31 VDC; orange at 22–25 VDC; red at <22 or >31 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability For this 200–240 VAC universal-receptacle version, the socket table shows E13 and EAC; it does not assign the full European/Australian socket approval set to this version. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. FCC / EN 55032 Class A radiated and conducted emissions are explicitly excluded for Type-UN in the specification; do not claim that classification for this socket. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-212UN

  MEAN WELL NTU-1700-212UN is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 12 VDC battery, with 230 VAC / 50 Hz factory output and a universal receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 12 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-212UN selects the NTU-1700 family, AC voltage code 2, 12 VDC input and universal receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 10–16.5 VDC Typical DC input current 170 A Typical conversion efficiency 89% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 6 Low-input alarm 11 ± 0.3 VDC Low-input shutdown 10 ± 0.3 VDC Low-input restart 12.5 ± 0.3 VDC High-input alarm 15.5 ± 0.3 VDC High-input shutdown 16.5 ± 0.3 VDC High-input restart 15 ± 0.3 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 12 V model: approximately 50% load at 10 VDC, rising along its curve to 100% at 11 VDC and remaining at 100% to 16.5 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 12 V model: green at 12.5–15.5 VDC; orange at 11–12.5 VDC; red at <11 or >15.5 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability For this 200–240 VAC universal-receptacle version, the socket table shows E13 and EAC; it does not assign the full European/Australian socket approval set to this version. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. FCC / EN 55032 Class A radiated and conducted emissions are explicitly excluded for Type-UN in the specification; do not claim that classification for this socket. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-248UK

  MEAN WELL NTU-1700-248UK is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 48 VDC battery, with 230 VAC / 50 Hz factory output and a UK receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 48 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-248UK selects the NTU-1700 family, AC voltage code 2, 48 VDC input and UK receptacle. This UK receptacle option is offered by request in the catalogue; confirm availability for the exact ordering code. DC Input, Efficiency and Battery Protection Typical DC input range 40–66 VDC Typical DC input current 42.5 A Typical conversion efficiency 93% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 25 A × 3 Low-input alarm 44 ± 1 VDC Low-input shutdown 40 ± 1 VDC Low-input restart 50 ± 1 VDC High-input alarm 62 ± 1 VDC High-input shutdown 66 ± 1 VDC High-input restart 60 ± 1 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 48 V model: approximately 50% load at 40 VDC, rising along its curve to 100% at 42 VDC and remaining at 100% to 66 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 48 V model: green at 50–62 VDC; orange at 44–50 VDC; red at <44 or >62 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The UK receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-224UK

  MEAN WELL NTU-1700-224UK is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 24 VDC battery, with 230 VAC / 50 Hz factory output and a UK receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 24 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-224UK selects the NTU-1700 family, AC voltage code 2, 24 VDC input and UK receptacle. This UK receptacle option is offered by request in the catalogue; confirm availability for the exact ordering code. DC Input, Efficiency and Battery Protection Typical DC input range 20–33 VDC Typical DC input current 85 A Typical conversion efficiency 92% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 3 Low-input alarm 22 ± 0.5 VDC Low-input shutdown 20 ± 0.5 VDC Low-input restart 25 ± 0.5 VDC High-input alarm 31 ± 0.5 VDC High-input shutdown 33 ± 0.5 VDC High-input restart 30 ± 0.5 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 24 V model: approximately 50% load at 20 VDC, rising along its curve to 100% at 21 VDC and remaining at 100% to 33 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 24 V model: green at 25–31 VDC; orange at 22–25 VDC; red at <22 or >31 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The UK receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-212UK

  MEAN WELL NTU-1700-212UK is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 12 VDC battery, with 230 VAC / 50 Hz factory output and a UK receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 12 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-212UK selects the NTU-1700 family, AC voltage code 2, 12 VDC input and UK receptacle. This UK receptacle option is offered by request in the catalogue; confirm availability for the exact ordering code. DC Input, Efficiency and Battery Protection Typical DC input range 10–16.5 VDC Typical DC input current 170 A Typical conversion efficiency 89% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 6 Low-input alarm 11 ± 0.3 VDC Low-input shutdown 10 ± 0.3 VDC Low-input restart 12.5 ± 0.3 VDC High-input alarm 15.5 ± 0.3 VDC High-input shutdown 16.5 ± 0.3 VDC High-input restart 15 ± 0.3 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 12 V model: approximately 50% load at 10 VDC, rising along its curve to 100% at 11 VDC and remaining at 100% to 16.5 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 12 V model: green at 12.5–15.5 VDC; orange at 11–12.5 VDC; red at <11 or >15.5 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The UK receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-248AU

  MEAN WELL NTU-1700-248AU is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 48 VDC battery, with 230 VAC / 50 Hz factory output and a Australian receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 48 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-248AU selects the NTU-1700 family, AC voltage code 2, 48 VDC input and Australian receptacle. This Australian receptacle option is offered by request in the catalogue; confirm availability for the exact ordering code. DC Input, Efficiency and Battery Protection Typical DC input range 40–66 VDC Typical DC input current 42.5 A Typical conversion efficiency 93% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 25 A × 3 Low-input alarm 44 ± 1 VDC Low-input shutdown 40 ± 1 VDC Low-input restart 50 ± 1 VDC High-input alarm 62 ± 1 VDC High-input shutdown 66 ± 1 VDC High-input restart 60 ± 1 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 48 V model: approximately 50% load at 40 VDC, rising along its curve to 100% at 42 VDC and remaining at 100% to 66 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 48 V model: green at 50–62 VDC; orange at 44–50 VDC; red at <44 or >62 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The Australian receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. AS/NZS 62368.1 is also listed for the Australian configuration. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-224AU

  MEAN WELL NTU-1700-224AU is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 24 VDC battery, with 230 VAC / 50 Hz factory output and a Australian receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 24 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-224AU selects the NTU-1700 family, AC voltage code 2, 24 VDC input and Australian receptacle. This Australian receptacle option is offered by request in the catalogue; confirm availability for the exact ordering code. DC Input, Efficiency and Battery Protection Typical DC input range 20–33 VDC Typical DC input current 85 A Typical conversion efficiency 92% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 3 Low-input alarm 22 ± 0.5 VDC Low-input shutdown 20 ± 0.5 VDC Low-input restart 25 ± 0.5 VDC High-input alarm 31 ± 0.5 VDC High-input shutdown 33 ± 0.5 VDC High-input restart 30 ± 0.5 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 24 V model: approximately 50% load at 20 VDC, rising along its curve to 100% at 21 VDC and remaining at 100% to 33 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 24 V model: green at 25–31 VDC; orange at 22–25 VDC; red at <22 or >31 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The Australian receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. AS/NZS 62368.1 is also listed for the Australian configuration. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-212AU

  MEAN WELL NTU-1700-212AU is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 12 VDC battery, with 230 VAC / 50 Hz factory output and a Australian receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 12 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-212AU selects the NTU-1700 family, AC voltage code 2, 12 VDC input and Australian receptacle. This Australian receptacle option is offered by request in the catalogue; confirm availability for the exact ordering code. DC Input, Efficiency and Battery Protection Typical DC input range 10–16.5 VDC Typical DC input current 170 A Typical conversion efficiency 89% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 6 Low-input alarm 11 ± 0.3 VDC Low-input shutdown 10 ± 0.3 VDC Low-input restart 12.5 ± 0.3 VDC High-input alarm 15.5 ± 0.3 VDC High-input shutdown 16.5 ± 0.3 VDC High-input restart 15 ± 0.3 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 12 V model: approximately 50% load at 10 VDC, rising along its curve to 100% at 11 VDC and remaining at 100% to 16.5 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 12 V model: green at 12.5–15.5 VDC; orange at 11–12.5 VDC; red at <11 or >15.5 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The Australian receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. AS/NZS 62368.1 is also listed for the Australian configuration. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-248CN

  MEAN WELL NTU-1700-248CN is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 48 VDC battery, with 230 VAC / 50 Hz factory output and a Chinese receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 48 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-248CN selects the NTU-1700 family, AC voltage code 2, 48 VDC input and Chinese receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 40–66 VDC Typical DC input current 42.5 A Typical conversion efficiency 93% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 25 A × 3 Low-input alarm 44 ± 1 VDC Low-input shutdown 40 ± 1 VDC Low-input restart 50 ± 1 VDC High-input alarm 62 ± 1 VDC High-input shutdown 66 ± 1 VDC High-input restart 60 ± 1 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 48 V model: approximately 50% load at 40 VDC, rising along its curve to 100% at 42 VDC and remaining at 100% to 66 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 48 V model: green at 50–62 VDC; orange at 44–50 VDC; red at <44 or >62 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The Chinese receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-224CN

  MEAN WELL NTU-1700-224CN is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 24 VDC battery, with 230 VAC / 50 Hz factory output and a Chinese receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 24 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-224CN selects the NTU-1700 family, AC voltage code 2, 24 VDC input and Chinese receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 20–33 VDC Typical DC input current 85 A Typical conversion efficiency 92% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 3 Low-input alarm 22 ± 0.5 VDC Low-input shutdown 20 ± 0.5 VDC Low-input restart 25 ± 0.5 VDC High-input alarm 31 ± 0.5 VDC High-input shutdown 33 ± 0.5 VDC High-input restart 30 ± 0.5 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 24 V model: approximately 50% load at 20 VDC, rising along its curve to 100% at 21 VDC and remaining at 100% to 33 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 24 V model: green at 25–31 VDC; orange at 22–25 VDC; red at <22 or >31 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The Chinese receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-212CN

  MEAN WELL NTU-1700-212CN is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 12 VDC battery, with 230 VAC / 50 Hz factory output and a Chinese receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 12 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-212CN selects the NTU-1700 family, AC voltage code 2, 12 VDC input and Chinese receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 10–16.5 VDC Typical DC input current 170 A Typical conversion efficiency 89% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 6 Low-input alarm 11 ± 0.3 VDC Low-input shutdown 10 ± 0.3 VDC Low-input restart 12.5 ± 0.3 VDC High-input alarm 15.5 ± 0.3 VDC High-input shutdown 16.5 ± 0.3 VDC High-input restart 15 ± 0.3 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 12 V model: approximately 50% load at 10 VDC, rising along its curve to 100% at 11 VDC and remaining at 100% to 16.5 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 12 V model: green at 12.5–15.5 VDC; orange at 11–12.5 VDC; red at <11 or >15.5 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The Chinese receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-248EU

  MEAN WELL NTU-1700-248EU is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 48 VDC battery, with 230 VAC / 50 Hz factory output and a European receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 48 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-248EU selects the NTU-1700 family, AC voltage code 2, 48 VDC input and European receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 40–66 VDC Typical DC input current 42.5 A Typical conversion efficiency 93% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 25 A × 3 Low-input alarm 44 ± 1 VDC Low-input shutdown 40 ± 1 VDC Low-input restart 50 ± 1 VDC High-input alarm 62 ± 1 VDC High-input shutdown 66 ± 1 VDC High-input restart 60 ± 1 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 48 V model: approximately 50% load at 40 VDC, rising along its curve to 100% at 42 VDC and remaining at 100% to 66 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 48 V model: green at 50–62 VDC; orange at 44–50 VDC; red at <44 or >62 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The European receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-224EU

  MEAN WELL NTU-1700-224EU is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 24 VDC battery, with 230 VAC / 50 Hz factory output and a European receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 24 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-224EU selects the NTU-1700 family, AC voltage code 2, 24 VDC input and European receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 20–33 VDC Typical DC input current 85 A Typical conversion efficiency 92% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 3 Low-input alarm 22 ± 0.5 VDC Low-input shutdown 20 ± 0.5 VDC Low-input restart 25 ± 0.5 VDC High-input alarm 31 ± 0.5 VDC High-input shutdown 33 ± 0.5 VDC High-input restart 30 ± 0.5 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 24 V model: approximately 50% load at 20 VDC, rising along its curve to 100% at 21 VDC and remaining at 100% to 33 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 24 V model: green at 25–31 VDC; orange at 22–25 VDC; red at <22 or >31 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The European receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  $1,056.69

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-212EU

  MEAN WELL NTU-1700-212EU is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1700 W continuously from a nominal 12 VDC battery, with 230 VAC / 50 Hz factory output and a European receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1700 W Nominal DC input voltage 12 VDC Default AC output voltage 230 VAC Over-rated output power 2000 W Peak output power 2550 W Surge output power 3400 W Default output frequency 50 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 2000 W over-rated output is limited to 3 minutes; 2550 W peak output is limited to 10 seconds; 3400 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-212EU selects the NTU-1700 family, AC voltage code 2, 12 VDC input and European receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 10–16.5 VDC Typical DC input current 170 A Typical conversion efficiency 89% Typical non-saving no-load dissipation 29 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 6 Low-input alarm 11 ± 0.3 VDC Low-input shutdown 10 ± 0.3 VDC Low-input restart 12.5 ± 0.3 VDC High-input alarm 15.5 ± 0.3 VDC High-input shutdown 16.5 ± 0.3 VDC High-input restart 15 ± 0.3 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 200 / 220 / 230 / 240 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 10 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 12 V model: approximately 50% load at 10 VDC, rising along its curve to 100% at 11 VDC and remaining at 100% to 16.5 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 12 V model: green at 12.5–15.5 VDC; orange at 11–12.5 VDC; red at <11 or >15.5 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The European receptacle socket table lists CB IEC 62368-1, DEKRA BS EN/EN 62368-1, E13, EAC TP TC 004, CE and UKCA. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. BS EN/EN 55032 (CISPR 32) Class A radiated and conducted emissions apply to the 200–240 VAC output group. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-148UN

  MEAN WELL NTU-1700-148UN is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1500 W continuously from a nominal 48 VDC battery, with 110 VAC / 60 Hz factory output and a universal receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1500 W Nominal DC input voltage 48 VDC Default AC output voltage 110 VAC Over-rated output power 1750 W Peak output power 2250 W Surge output power 3000 W Default output frequency 60 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 1750 W over-rated output is limited to 3 minutes; 2250 W peak output is limited to 10 seconds; 3000 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-148UN selects the NTU-1700 family, AC voltage code 1, 48 VDC input and universal receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 40–66 VDC Typical DC input current 37.5 A Typical conversion efficiency 91% Typical non-saving no-load dissipation 16 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 25 A × 3 Low-input alarm 44 ± 1 VDC Low-input shutdown 40 ± 1 VDC Low-input restart 50 ± 1 VDC High-input alarm 62 ± 1 VDC High-input shutdown 66 ± 1 VDC High-input restart 60 ± 1 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 100 / 110 / 115 / 120 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 15 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 48 V model: approximately 50% load at 40 VDC, rising along its curve to 100% at 42 VDC and remaining at 100% to 66 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 48 V model: green at 50–62 VDC; orange at 44–50 VDC; red at <44 or >62 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The universal receptacle is listed with no certification marks for this 100–120 VAC output version. Do not transfer other socket versions’ approvals to it. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. FCC / EN 55032 Class A radiated and conducted emissions are explicitly excluded for Type-UN in the specification; do not claim that classification for this socket. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-124UN

  MEAN WELL NTU-1700-124UN is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1500 W continuously from a nominal 24 VDC battery, with 110 VAC / 60 Hz factory output and a universal receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1500 W Nominal DC input voltage 24 VDC Default AC output voltage 110 VAC Over-rated output power 1750 W Peak output power 2250 W Surge output power 3000 W Default output frequency 60 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 1750 W over-rated output is limited to 3 minutes; 2250 W peak output is limited to 10 seconds; 3000 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-124UN selects the NTU-1700 family, AC voltage code 1, 24 VDC input and universal receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 20–33 VDC Typical DC input current 75 A Typical conversion efficiency 90% Typical non-saving no-load dissipation 16 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 3 Low-input alarm 22 ± 0.5 VDC Low-input shutdown 20 ± 0.5 VDC Low-input restart 25 ± 0.5 VDC High-input alarm 31 ± 0.5 VDC High-input shutdown 33 ± 0.5 VDC High-input restart 30 ± 0.5 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 100 / 110 / 115 / 120 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 15 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 24 V model: approximately 50% load at 20 VDC, rising along its curve to 100% at 21 VDC and remaining at 100% to 33 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 24 V model: green at 25–31 VDC; orange at 22–25 VDC; red at <22 or >31 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The universal receptacle is listed with no certification marks for this 100–120 VAC output version. Do not transfer other socket versions’ approvals to it. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. FCC / EN 55032 Class A radiated and conducted emissions are explicitly excluded for Type-UN in the specification; do not claim that classification for this socket. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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  MEAN WELL NTU-1700 series: True Sine Wave DC/AC Power Inverter with UPS Bypass - NTU-1700-112UN

  MEAN WELL NTU-1700-112UN is a true sine wave DC/AC inverter with built-in UPS AC bypass. It supplies 1500 W continuously from a nominal 12 VDC battery, with 110 VAC / 60 Hz factory output and a universal receptacle. Mains/battery priority, temperature-controlled fan cooling and remote ON/OFF support battery-backed installations. Product Datasheet Download MEAN WELL NTU-1700 Datasheet (PDF) The NTU-1700 section is on PDF pages 10, 11, 12, 13, 14, 15, 16, 17, 18. Refer to the complete mechanical drawings and notes when planning installation. Model and AC Output Ratings Continuous output power 1500 W Nominal DC input voltage 12 VDC Default AC output voltage 110 VAC Over-rated output power 1750 W Peak output power 2250 W Surge output power 3000 W Default output frequency 60 Hz ± 0.1 Hz AC regulation ±3.0% at rated output voltage Output waveform True sine wave; THD <3% The 1750 W over-rated output is limited to 3 minutes; 2250 W peak output is limited to 10 seconds; 3000 W surge output is limited to 30 AC cycles. These are separate short-duration ratings, not continuous output ratings. The complete ordering code NTU-1700-112UN selects the NTU-1700 family, AC voltage code 1, 12 VDC input and universal receptacle. Confirm availability for the exact ordering code before ordering. DC Input, Efficiency and Battery Protection Typical DC input range 10–16.5 VDC Typical DC input current 150 A Typical conversion efficiency 89% Typical non-saving no-load dissipation 16 W Typical saving-mode dissipation <8 W OFF-mode current draw ≤1 mA Internal fuse arrangement 40 A × 6 Low-input alarm 11 ± 0.3 VDC Low-input shutdown 10 ± 0.3 VDC Low-input restart 12.5 ± 0.3 VDC High-input alarm 15.5 ± 0.3 VDC High-input shutdown 16.5 ± 0.3 VDC High-input restart 15 ± 0.3 VDC Suitable for lead-acid or lithium-ion batteries within the specified input and protection ranges. Low-voltage disconnect provides battery over-discharge protection. Select the battery and wiring for the required input current and operating range. Reverse-polarity protection is by opening the internal fuse. The listed internal fuse arrangement is not an external battery-cable fuse recommendation. Power saving is disabled by default. When enabled, automatic load detection changes to saving mode at an AC output load of 10 W or less. UPS AC Input, Bypass and Earthing Selectable AC input nominal settings 100 / 110 / 115 / 120 VAC AC input acceptance band ±16% of the selected AC output setting AC input recovery band ±13% of the selected AC output setting AC input frequency range 45–65 Hz Typical inverter/bypass transfer time 10 ms AC circuit breaker 15 A The factory priority setting is mains priority. With valid AC input, the AC-bypass path supplies the load directly. The inverter supplies the load from the DC battery when AC input is absent or outside the specified acceptance band; the recovery band defines return to acceptable AC input. The typical transfer time is not zero. The AC receptacle earth and chassis FG are internally shorted together. In battery/inverter mode, AC output N is also internally shorted to receptacle earth and FG. In mains/bypass mode, output L and N follow the incoming AC supply, while receptacle earth remains bonded to FG. The bypass relays remain in their normally closed positions when the inverter is turned off. AC input can therefore still energize the output and connected loads while the inverter is OFF. Isolate all sources before wiring or servicing. The typical application drawings show a separate PB, NPB or NPP AC/DC battery charger where battery charging from mains or shore power is required. The built-in UPS function provides bypass and source transfer; it does not make this product a battery charger. Output Protection and Temperature Derating Typical overload protection permits 105–115% load for 180 seconds and 115–150% load for 10 seconds, then shuts down output. Output short circuit and over-temperature protection also shut down output; re-power the unit to recover. Respect the separate rated/peak/surge limits and applicable derating. Horizontal-mounting ambient derating: -25°C: 100%, 35°C: 100%, 40°C: 90%, 60°C: 50%, 70°C: 40% of the continuous rating. Interpolate along the shown curve between these points; the −25 to +70°C working range does not mean full-load operation throughout. DC-input derating for this 12 V model: approximately 50% load at 10 VDC, rising along its curve to 100% at 11 VDC and remaining at 100% to 16.5 VDC. Apply temperature and input derating together. A temperature-controlled cooling fan is built in. Keep the DC-side airflow path and the AC-side ventilation openings clear. DIP Output Settings and Remote ON/OFF DIP SW1/SW2 select output voltage: OFF/OFF = 100 VAC or 200 VAC; OFF/ON = 110 VAC or 220 VAC; ON/OFF = 115 VAC or 230 VAC; ON/ON = 120 VAC or 240 VAC, according to the ordered AC voltage code. SW3 ON selects 50 Hz; SW3 OFF selects 60 Hz. SW4 ON enables saving mode; SW4 OFF selects non-saving mode. The front R.C connection uses a dry contact between pins 1 and 2: open = normal inverter ON; short = remote inverter OFF. This remote function does not isolate the AC-bypass path. Battery-priority setup uses the dedicated sequence in the function manual: with power disconnected set SW2 and SW3 OFF, apply battery power with remote OFF, then within 15 seconds change both switches ON and back OFF. All LEDs except AC input flash green three times on successful setting. Complete the manual’s power-off and external-remote-switch sequence and restart to load battery priority. To restore mains priority, begin with SW2 and SW3 ON before power is applied; with battery power and remote OFF, change both OFF and back ON within 15 seconds. The same three-flash indication confirms success. Complete the prescribed power cycle. This clears battery priority only and does not restore all factory settings. LED Indicators and Fault Identification Normal status LED: flashing green = system check; steady green = inverter OK; steady orange = remote OFF; flashing orange = saving mode; red = abnormal status. DC-input LED for this 12 V model: green at 12.5–15.5 VDC; orange at 11–12.5 VDC; red at <11 or >15.5 VDC. Load indication is green below 40%, orange at 40–80%, and red above 80%. These load LEDs are steady in mains-priority status and flash in battery-priority status. The AC-input LED is steady green for mains OK, flashing green for mains error, and off when mains is disconnected. Abnormal combinations: steady-red status + DC-input LED off + flashing-red load indicates output overload or short circuit; steady-red status + flashing-red DC-input + load LED off indicates abnormal DC voltage; steady-red status + flashing-red DC-input and load indicates over-temperature or fan lock; flashing-red status with DC-input and load LEDs off indicates inverter failure. Mechanical Installation and Environment Overall dimensions (L × W × H) 400 × 184 × 70 mm Mechanical drawing Case 286B; tolerance ±1 mm Catalogue packing reference per unit 4630 g Working temperature −25 to +70°C; apply derating Working humidity 20–90% RH, non-condensing Storage temperature −30 to +70°C Storage humidity 10–95% RH, non-condensing The catalogue packing reference per unit is not a measured net weight or a shipping-parcel weight. The housing body width is 173 mm within the 184 mm overall mounting width. Longitudinal mechanical references include 237, 220, 203, 186 mm; use the drawing on PDF page 16 for exact mounting datums and slots. The DC-terminal projection is marked 20.9 mm separately from the body length. The mechanical view identifies separate + and − DC terminals, chassis bonding point, fan airflow direction, AC input, output receptacle, circuit breaker, DIP switches, R.C input and RJ11 remote port. Wire and mount according to the supplied installation instructions. Vibration specification: 10–500 Hz, 3G, 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Connections and Separately Ordered Accessories R.C board connector JST B-XH or equivalent; printed family reference R.C mating housing JST XHP or equivalent; match the two-circuit connection R.C contact reference JST SXH-001T or equivalent; confirm complete ordering suffix and wire suitability RJ11 / DB9 receive mapping Inverter Rx: RJ11 pin 2 to DB9 pin 3 RJ11 / DB9 ground mapping GND: RJ11 pin 3 to DB9 pin 5 RJ11 / DB9 transmit mapping Inverter Tx: RJ11 pin 4 to DB9 pin 2 Remote controller choices IRC1, IRC2, IRC3 Communication cable order code RJ11-RS232 Handle accessory order code Carry Handle IRC1, IRC2 and IRC3 are separately sold monitoring/control units that decode inverter RS-232 data for display. Some controller functions depend on the connected model; controller symbols do not add unlisted conversion functions to the inverter. A single inverter’s internal data can be read via its RJ11 RS-232 port using the separately ordered RJ11-RS232 communication cable. The accessory list shows one cable; the inverter and cable must be ordered separately. The separately ordered Carry Handle accessory comprises one handle, four foot pads and two M4 mounting screws. The handle drawing marks 180 × 27 × 10 mm. Safety, EMC and Reliability The universal receptacle is listed with no certification marks for this 100–120 VAC output version. Do not transfer other socket versions’ approvals to it. Dielectric withstand: DC input to AC input 3.0 kVAC; DC input to AC output 3.0 kVAC; AC output to FG 1.5 kVAC. FCC / EN 55032 Class A radiated and conducted emissions are explicitly excluded for Type-UN in the specification; do not claim that classification for this socket. The EMC table lists BS EN/EN 61000-3-2 Class A harmonic current and BS EN/EN 61000-3-3 voltage flicker; immunity is referenced to BS EN/EN 55024 and BS EN/EN 55035. Immunity entries: EN 61000-4-2 ESD, 8 kV air Level 3 / 4 kV contact Level 2; EN 61000-4-3 radiated Level 2; EN 61000-4-4 EFT/burst 1 kV Level 2; EN 61000-4-5 surge 1 kV line-to-line / 2 kV line-to-earth Level 3; EN 61000-4-6 conducted Level 2; EN 61000-4-8 magnetic field Level 1; EN 61000-4-11 voltage dips/interruption >95% dip for 0.5 periods, 30% dip for 25 periods, and >95% interruption for 250 periods. MTBF: 421.9k hours minimum under Telcordia TR/SR-332; 45.3k hours minimum under MIL-HDBK-217F at 25°C. The family includes MCU digital control, conformal coating and a three-year manufacturer catalogue warranty. Final equipment still requires system-level EMC verification. Measurement Conditions and Typical Applications Efficiency, AC regulation and THD are tested with a 1350 W linear load at 12.5 / 25 / 50 VDC input for the 12 / 24 / 48 V versions respectively. Other unspecified parameters are measured at rated load, 25°C ambient and factory settings. The internal pre-start setup time is 8 seconds. Typical applications include home/office appliances, power tools, portable equipment, vehicles, yachts, off-grid solar systems, wireless networks, telecommunications and data systems. Select the battery bank, external charger and load configuration within the inverter’s model-specific ratings and transfer requirements.

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