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  MEAN WELL HEP-320 series: Industrial AC/DC Power Supply - HEP-320-54A

  MEAN WELL HEP-320-54A is an industrial AC/DC power supply with a 54 V output rated at 5.95 A and 321.3 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-320 Datasheet (PDF) The HEP-320 section is on PDF pages 17, 18, 19, 20. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-320-54A Series HEP-320 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 54 V Rated output current 5.95 A Rated output power 321.3 W Maximum output ripple and noise 350 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 95% Ingress protection IP65 Output voltage adjustment range 49–58 V Constant-current level adjustment range 2.97–5.95 A HEP identifies the series, 320 identifies the power class, and 54 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.94 Typical AC current at 115 / 230 / 277 VAC 3.5 / 1.65 / 1.45 A Typical cold-start inrush current 70 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 2500 / 80 ms Setup / rise time at 230 VAC 600 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 115 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Hiccup mode; automatic recovery after the fault is removed Short-circuit response Hiccup mode; automatic recovery after the fault is removed Overvoltage protection range 59–65 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown and latch-off; re-power to recover Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 115 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 252 × 90 × 43.8 mm Case reference 202A Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 225.2 mm Mounting-hole callout 4 × Ø4.5 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The AC-side mechanical drawing includes a separate 25 ±2 mm cable-entry projection; allow clearance beyond the catalogue body dimensions. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1565.6 thousand hours Minimum MTBF, MIL-HDBK-217F 154.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.88 kg / 1880 g Catalogue carton packing 8 units / 16 kg / 0.92 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-320 series: Industrial AC/DC Power Supply - HEP-320-48A

  MEAN WELL HEP-320-48A is an industrial AC/DC power supply with a 48 V output rated at 6.7 A and 321.6 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-320 Datasheet (PDF) The HEP-320 section is on PDF pages 17, 18, 19, 20. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-320-48A Series HEP-320 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 48 V Rated output current 6.7 A Rated output power 321.6 W Maximum output ripple and noise 250 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 94.5% Ingress protection IP65 Output voltage adjustment range 43–52 V Constant-current level adjustment range 3.35–6.7 A HEP identifies the series, 320 identifies the power class, and 48 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.94 Typical AC current at 115 / 230 / 277 VAC 3.5 / 1.65 / 1.45 A Typical cold-start inrush current 70 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 2500 / 80 ms Setup / rise time at 230 VAC 600 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 115 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Hiccup mode; automatic recovery after the fault is removed Short-circuit response Hiccup mode; automatic recovery after the fault is removed Overvoltage protection range 53.5–60 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown and latch-off; re-power to recover Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 115 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 252 × 90 × 43.8 mm Case reference 202A Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 225.2 mm Mounting-hole callout 4 × Ø4.5 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The AC-side mechanical drawing includes a separate 25 ±2 mm cable-entry projection; allow clearance beyond the catalogue body dimensions. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1565.6 thousand hours Minimum MTBF, MIL-HDBK-217F 154.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.88 kg / 1880 g Catalogue carton packing 8 units / 16 kg / 0.92 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-320 series: Industrial AC/DC Power Supply - HEP-320-36A

  MEAN WELL HEP-320-36A is an industrial AC/DC power supply with a 36 V output rated at 8.9 A and 320.4 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-320 Datasheet (PDF) The HEP-320 section is on PDF pages 17, 18, 19, 20. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-320-36A Series HEP-320 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 36 V Rated output current 8.9 A Rated output power 320.4 W Maximum output ripple and noise 250 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 94% Ingress protection IP65 Output voltage adjustment range 32–39 V Constant-current level adjustment range 4.45–8.9 A HEP identifies the series, 320 identifies the power class, and 36 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.94 Typical AC current at 115 / 230 / 277 VAC 3.5 / 1.65 / 1.45 A Typical cold-start inrush current 70 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 2500 / 80 ms Setup / rise time at 230 VAC 600 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 115 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Hiccup mode; automatic recovery after the fault is removed Short-circuit response Hiccup mode; automatic recovery after the fault is removed Overvoltage protection range 40–46 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown and latch-off; re-power to recover Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 115 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 252 × 90 × 43.8 mm Case reference 202A Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 225.2 mm Mounting-hole callout 4 × Ø4.5 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The AC-side mechanical drawing includes a separate 25 ±2 mm cable-entry projection; allow clearance beyond the catalogue body dimensions. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1565.6 thousand hours Minimum MTBF, MIL-HDBK-217F 154.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.88 kg / 1880 g Catalogue carton packing 8 units / 16 kg / 0.92 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-320 series: Industrial AC/DC Power Supply - HEP-320-24A

  MEAN WELL HEP-320-24A is an industrial AC/DC power supply with a 24 V output rated at 13.34 A and 320.16 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-320 Datasheet (PDF) The HEP-320 section is on PDF pages 17, 18, 19, 20. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-320-24A Series HEP-320 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 24 V Rated output current 13.34 A Rated output power 320.16 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 94% Ingress protection IP65 Output voltage adjustment range 21–26 V Constant-current level adjustment range 6.67–13.34 A HEP identifies the series, 320 identifies the power class, and 24 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.94 Typical AC current at 115 / 230 / 277 VAC 3.5 / 1.65 / 1.45 A Typical cold-start inrush current 70 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 2500 / 80 ms Setup / rise time at 230 VAC 600 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 115 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Hiccup mode; automatic recovery after the fault is removed Short-circuit response Hiccup mode; automatic recovery after the fault is removed Overvoltage protection range 27–33 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown and latch-off; re-power to recover Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 115 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 252 × 90 × 43.8 mm Case reference 202A Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 225.2 mm Mounting-hole callout 4 × Ø4.5 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The AC-side mechanical drawing includes a separate 25 ±2 mm cable-entry projection; allow clearance beyond the catalogue body dimensions. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1565.6 thousand hours Minimum MTBF, MIL-HDBK-217F 154.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.88 kg / 1880 g Catalogue carton packing 8 units / 16 kg / 0.92 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-320 series: Industrial AC/DC Power Supply - HEP-320-15A

  MEAN WELL HEP-320-15A is an industrial AC/DC power supply with a 15 V output rated at 19 A and 285 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-320 Datasheet (PDF) The HEP-320 section is on PDF pages 17, 18, 19, 20. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-320-15A Series HEP-320 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 15 V Rated output current 19 A Rated output power 285 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±2.0% Line regulation ±0.5% Load regulation ±1.5% Typical efficiency 92.5% Ingress protection IP65 Output voltage adjustment range 13.5–17 V Constant-current level adjustment range 9.5–19 A HEP identifies the series, 320 identifies the power class, and 15 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.94 Typical AC current at 115 / 230 / 277 VAC 3.5 / 1.65 / 1.45 A Typical cold-start inrush current 70 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 2500 / 80 ms Setup / rise time at 230 VAC 600 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 115 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Hiccup mode; automatic recovery after the fault is removed Short-circuit response Hiccup mode; automatic recovery after the fault is removed Overvoltage protection range 17.5–21 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown and latch-off; re-power to recover Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 115 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 252 × 90 × 43.8 mm Case reference 202A Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 225.2 mm Mounting-hole callout 4 × Ø4.5 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The AC-side mechanical drawing includes a separate 25 ±2 mm cable-entry projection; allow clearance beyond the catalogue body dimensions. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1565.6 thousand hours Minimum MTBF, MIL-HDBK-217F 154.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.88 kg / 1880 g Catalogue carton packing 8 units / 16 kg / 0.92 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-320 series: Industrial AC/DC Power Supply - HEP-320-12A

  MEAN WELL HEP-320-12A is an industrial AC/DC power supply with a 12 V output rated at 22 A and 264 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-320 Datasheet (PDF) The HEP-320 section is on PDF pages 17, 18, 19, 20. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-320-12A Series HEP-320 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 12 V Rated output current 22 A Rated output power 264 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±3.0% Line regulation ±0.5% Load regulation ±2.0% Typical efficiency 91% Ingress protection IP65 Output voltage adjustment range 10.8–13.5 V Constant-current level adjustment range 11–22 A HEP identifies the series, 320 identifies the power class, and 12 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.94 Typical AC current at 115 / 230 / 277 VAC 3.5 / 1.65 / 1.45 A Typical cold-start inrush current 70 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 2500 / 80 ms Setup / rise time at 230 VAC 600 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 115 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Hiccup mode; automatic recovery after the fault is removed Short-circuit response Hiccup mode; automatic recovery after the fault is removed Overvoltage protection range 14–17 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown and latch-off; re-power to recover Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 115 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 252 × 90 × 43.8 mm Case reference 202A Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 225.2 mm Mounting-hole callout 4 × Ø4.5 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The AC-side mechanical drawing includes a separate 25 ±2 mm cable-entry projection; allow clearance beyond the catalogue body dimensions. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1565.6 thousand hours Minimum MTBF, MIL-HDBK-217F 154.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.88 kg / 1880 g Catalogue carton packing 8 units / 16 kg / 0.92 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-54

  MEAN WELL HEP-240-54 is an industrial AC/DC power supply with a 54 V output rated at 4.45 A and 240.3 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-54 Series HEP-240 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 54 V Rated output current 4.45 A Rated output power 240.3 W Maximum output ripple and noise 350 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 93.5% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 240 identifies the power class, and 54 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.5 / 1.3 / 1.1 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 60–67 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-48

  MEAN WELL HEP-240-48 is an industrial AC/DC power supply with a 48 V output rated at 5 A and 240 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-48 Series HEP-240 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 48 V Rated output current 5 A Rated output power 240 W Maximum output ripple and noise 250 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 93% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 240 identifies the power class, and 48 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.5 / 1.3 / 1.1 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 55–63 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-36

  MEAN WELL HEP-240-36 is an industrial AC/DC power supply with a 36 V output rated at 6.7 A and 241.2 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-36 Series HEP-240 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 36 V Rated output current 6.7 A Rated output power 241.2 W Maximum output ripple and noise 250 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 92.5% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 240 identifies the power class, and 36 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.5 / 1.3 / 1.1 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 43–49 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-24

  MEAN WELL HEP-240-24 is an industrial AC/DC power supply with a 24 V output rated at 10 A and 240 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-24 Series HEP-240 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 24 V Rated output current 10 A Rated output power 240 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 92.5% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 240 identifies the power class, and 24 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.5 / 1.3 / 1.1 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 27–34 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-15

  MEAN WELL HEP-240-15 is an industrial AC/DC power supply with a 15 V output rated at 15 A and 225 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-15 Series HEP-240 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 15 V Rated output current 15 A Rated output power 225 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±2.0% Line regulation ±0.5% Load regulation ±1.5% Typical efficiency 90% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 240 identifies the power class, and 15 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.5 / 1.3 / 1.1 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 17.5–21.5 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-12

  MEAN WELL HEP-240-12 is an industrial AC/DC power supply with a 12 V output rated at 16 A and 192 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-12 Series HEP-240 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 12 V Rated output current 16 A Rated output power 192 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±2.5% Line regulation ±0.5% Load regulation ±2.0% Typical efficiency 90% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 240 identifies the power class, and 12 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2 / 1.05 / 0.9 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 13.5–18 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-54A

  MEAN WELL HEP-240-54A is an industrial AC/DC power supply with a 54 V output rated at 4.45 A and 240.3 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-54A Series HEP-240 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 54 V Rated output current 4.45 A Rated output power 240.3 W Maximum output ripple and noise 350 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 93.5% Ingress protection IP65 Output voltage adjustment range 50–57 V Constant-current level adjustment range 2.23–4.45 A HEP identifies the series, 240 identifies the power class, and 54 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.5 / 1.3 / 1.1 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 60–67 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-48A

  MEAN WELL HEP-240-48A is an industrial AC/DC power supply with a 48 V output rated at 5 A and 240 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-48A Series HEP-240 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 48 V Rated output current 5 A Rated output power 240 W Maximum output ripple and noise 250 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 93% Ingress protection IP65 Output voltage adjustment range 44.8–51.2 V Constant-current level adjustment range 2.5–5 A HEP identifies the series, 240 identifies the power class, and 48 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.5 / 1.3 / 1.1 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 55–63 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-36A

  MEAN WELL HEP-240-36A is an industrial AC/DC power supply with a 36 V output rated at 6.7 A and 241.2 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-36A Series HEP-240 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 36 V Rated output current 6.7 A Rated output power 241.2 W Maximum output ripple and noise 250 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 92.5% Ingress protection IP65 Output voltage adjustment range 33.5–38.5 V Constant-current level adjustment range 3.3–6.7 A HEP identifies the series, 240 identifies the power class, and 36 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.5 / 1.3 / 1.1 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 43–49 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-24A

  MEAN WELL HEP-240-24A is an industrial AC/DC power supply with a 24 V output rated at 10 A and 240 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-24A Series HEP-240 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 24 V Rated output current 10 A Rated output power 240 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 92.5% Ingress protection IP65 Output voltage adjustment range 22.4–25.6 V Constant-current level adjustment range 5–10 A HEP identifies the series, 240 identifies the power class, and 24 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.5 / 1.3 / 1.1 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 27–34 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-15A

  MEAN WELL HEP-240-15A is an industrial AC/DC power supply with a 15 V output rated at 15 A and 225 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-15A Series HEP-240 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 15 V Rated output current 15 A Rated output power 225 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±2.0% Line regulation ±0.5% Load regulation ±1.5% Typical efficiency 90% Ingress protection IP65 Output voltage adjustment range 14–16 V Constant-current level adjustment range 7.5–15 A HEP identifies the series, 240 identifies the power class, and 15 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.5 / 1.3 / 1.1 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 17.5–21.5 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-240 series: Industrial AC/DC Power Supply - HEP-240-12A

  MEAN WELL HEP-240-12A is an industrial AC/DC power supply with a 12 V output rated at 16 A and 192 W. It is the IP65 A-type version with adjustable voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-240 Datasheet (PDF) The HEP-240 section is on PDF pages 13, 14, 15, 16. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-240-12A Series HEP-240 Configuration IP65 A-type version with adjustable voltage and current DC output voltage 12 V Rated output current 16 A Rated output power 192 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±2.5% Line regulation ±0.5% Load regulation ±2.0% Typical efficiency 90% Ingress protection IP65 Output voltage adjustment range 11.2–12.8 V Constant-current level adjustment range 8–16 A HEP identifies the series, 240 identifies the power class, and 12 identifies the nominal output voltage. The A suffix is the standard IP65 configuration with internal output-voltage and current-level adjustment. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Output voltage and constant-current level are adjusted with the internal potentiometers accessible by removing the rubber stopper on the case. Complete adjustment and restore the enclosure as instructed by the manufacturer before operation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2 / 1.05 / 0.9 A Typical cold-start inrush current 75 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 80 ms Setup / rise time at 230 VAC 500 / 80 ms Typical hold-up time 15 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 13.5–18 V Overvoltage recovery Output shutdown and latch-off; re-power to recover Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the 110 VAC curve remains at 100% load to 50°C and falls to 60% at 70°C. The 230 VAC curve remains at 100% to 60°C and falls to the same 60% endpoint at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 244.2 × 68 × 38.8 mm Case reference 994H Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 220.2 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the standard A-type IP65 configuration. Its output voltage and current level can be set through the internal potentiometers. The optional blank-suffix version is a separate IP68 configuration with fixed output voltage and current level. Select the required complete model when ordering; its ingress rating does not transfer to this A-type unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP65 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 2008.7 thousand hours Minimum MTBF, MIL-HDBK-217F 171.3 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.3 kg / 1300 g Catalogue carton packing 12 units / 16.6 kg / 0.84 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-185 series: Industrial AC/DC Power Supply - HEP-185-54

  MEAN WELL HEP-185-54 is an industrial AC/DC power supply with a 54 V output rated at 3.45 A and 186.3 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-185 Datasheet (PDF) The HEP-185 section is on PDF pages 9, 10, 11, 12. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-185-54 Series HEP-185 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 54 V Rated output current 3.45 A Rated output power 186.3 W Maximum output ripple and noise 200 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 94% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 185 identifies the power class, and 54 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.1 / 1 / 0.8 A Typical cold-start inrush current 65 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 50 ms Setup / rise time at 230 VAC 500 / 50 ms Typical hold-up time 16 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 59–65 V Overvoltage recovery Output shutdown with automatic recovery or re-power recovery Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the thermal curve allows 100% load from −55°C to 60°C, then falls to 60% at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 228 × 68 × 38.8 mm Case reference 994D Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 204 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1967.4 thousand hours Minimum MTBF, MIL-HDBK-217F 164.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Additional safety and EMC design references are BS EN/EN60598-1, CNS15233, GB7000.1 and FCC Part 18. These design references are distinct from the catalogue's listed approvals. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.15 kg / 1150 g Catalogue carton packing 12 units / 14.8 kg / 0.8 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-185 series: Industrial AC/DC Power Supply - HEP-185-48

  MEAN WELL HEP-185-48 is an industrial AC/DC power supply with a 48 V output rated at 3.9 A and 187.2 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-185 Datasheet (PDF) The HEP-185 section is on PDF pages 9, 10, 11, 12. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-185-48 Series HEP-185 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 48 V Rated output current 3.9 A Rated output power 187.2 W Maximum output ripple and noise 200 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 94% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 185 identifies the power class, and 48 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.1 / 1 / 0.8 A Typical cold-start inrush current 65 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 50 ms Setup / rise time at 230 VAC 500 / 50 ms Typical hold-up time 16 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 54–63 V Overvoltage recovery Output shutdown with automatic recovery or re-power recovery Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the thermal curve allows 100% load from −55°C to 60°C, then falls to 60% at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 228 × 68 × 38.8 mm Case reference 994D Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 204 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1967.4 thousand hours Minimum MTBF, MIL-HDBK-217F 164.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Additional safety and EMC design references are BS EN/EN60598-1, CNS15233, GB7000.1 and FCC Part 18. These design references are distinct from the catalogue's listed approvals. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.15 kg / 1150 g Catalogue carton packing 12 units / 14.8 kg / 0.8 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-185 series: Industrial AC/DC Power Supply - HEP-185-36

  MEAN WELL HEP-185-36 is an industrial AC/DC power supply with a 36 V output rated at 5.2 A and 187.2 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-185 Datasheet (PDF) The HEP-185 section is on PDF pages 9, 10, 11, 12. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-185-36 Series HEP-185 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 36 V Rated output current 5.2 A Rated output power 187.2 W Maximum output ripple and noise 200 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 93.5% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 185 identifies the power class, and 36 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.1 / 1 / 0.8 A Typical cold-start inrush current 65 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 50 ms Setup / rise time at 230 VAC 500 / 50 ms Typical hold-up time 16 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 41–46 V Overvoltage recovery Output shutdown with automatic recovery or re-power recovery Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the thermal curve allows 100% load from −55°C to 60°C, then falls to 60% at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 228 × 68 × 38.8 mm Case reference 994D Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 204 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1967.4 thousand hours Minimum MTBF, MIL-HDBK-217F 164.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Additional safety and EMC design references are BS EN/EN60598-1, CNS15233, GB7000.1 and FCC Part 18. These design references are distinct from the catalogue's listed approvals. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.15 kg / 1150 g Catalogue carton packing 12 units / 14.8 kg / 0.8 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-185 series: Industrial AC/DC Power Supply - HEP-185-24

  MEAN WELL HEP-185-24 is an industrial AC/DC power supply with a 24 V output rated at 7.8 A and 187.2 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-185 Datasheet (PDF) The HEP-185 section is on PDF pages 9, 10, 11, 12. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-185-24 Series HEP-185 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 24 V Rated output current 7.8 A Rated output power 187.2 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±1.0% Line regulation ±0.5% Load regulation ±0.5% Typical efficiency 93.5% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 185 identifies the power class, and 24 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.1 / 1 / 0.8 A Typical cold-start inrush current 65 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 50 ms Setup / rise time at 230 VAC 500 / 50 ms Typical hold-up time 16 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 28–34 V Overvoltage recovery Output shutdown with automatic recovery or re-power recovery Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the thermal curve allows 100% load from −55°C to 60°C, then falls to 60% at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 228 × 68 × 38.8 mm Case reference 994D Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 204 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1967.4 thousand hours Minimum MTBF, MIL-HDBK-217F 164.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Additional safety and EMC design references are BS EN/EN60598-1, CNS15233, GB7000.1 and FCC Part 18. These design references are distinct from the catalogue's listed approvals. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.15 kg / 1150 g Catalogue carton packing 12 units / 14.8 kg / 0.8 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-185 series: Industrial AC/DC Power Supply - HEP-185-15

  MEAN WELL HEP-185-15 is an industrial AC/DC power supply with a 15 V output rated at 11.5 A and 172 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-185 Datasheet (PDF) The HEP-185 section is on PDF pages 9, 10, 11, 12. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-185-15 Series HEP-185 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 15 V Rated output current 11.5 A Rated output power 172 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±2.0% Line regulation ±0.5% Load regulation ±1.5% Typical efficiency 92% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 185 identifies the power class, and 15 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 2.1 / 1 / 0.8 A Typical cold-start inrush current 65 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 50 ms Setup / rise time at 230 VAC 500 / 50 ms Typical hold-up time 16 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 18–21 V Overvoltage recovery Output shutdown with automatic recovery or re-power recovery Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the thermal curve allows 100% load from −55°C to 60°C, then falls to 60% at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 228 × 68 × 38.8 mm Case reference 994D Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 204 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1967.4 thousand hours Minimum MTBF, MIL-HDBK-217F 164.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Additional safety and EMC design references are BS EN/EN60598-1, CNS15233, GB7000.1 and FCC Part 18. These design references are distinct from the catalogue's listed approvals. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.15 kg / 1150 g Catalogue carton packing 12 units / 14.8 kg / 0.8 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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  MEAN WELL HEP-185 series: Industrial AC/DC Power Supply - HEP-185-12

  MEAN WELL HEP-185-12 is an industrial AC/DC power supply with a 12 V output rated at 13 A and 156 W. It is the IP68 blank-suffix version with fixed voltage and current. The aluminium case is fully potted with heat-conductive silicone for demanding environments with dust, humidity, oil and vibration. Cooling is by free-air convection, without a fan, and active PFC is built in. Product Datasheet Download MEAN WELL HEP-185 Datasheet (PDF) The HEP-185 section is on PDF pages 9, 10, 11, 12. Refer to the complete mechanical drawings and notes when planning installation. Model, Output Ratings and Adjustment Complete order number HEP-185-12 Series HEP-185 Configuration IP68 blank-suffix version with fixed voltage and current DC output voltage 12 V Rated output current 13 A Rated output power 156 W Maximum output ripple and noise 150 mVp-p Output voltage tolerance ±2.5% Line regulation ±0.5% Load regulation ±2.0% Typical efficiency 91.5% Ingress protection IP68 Output adjustment Fixed voltage and current level HEP identifies the series, 185 identifies the power class, and 12 identifies the nominal output voltage. The absence of a suffix identifies the optional IP68 configuration with fixed output voltage and current level. Select the load so that output voltage, current and catalogue-rated power all remain within their applicable limits. Adjustment of voltage or current does not raise the rated power. Unless otherwise specified, parameters are measured at 230 VAC input, rated load and 25°C ambient. Typical efficiency is a stated test value, not a guarantee at every input, load or temperature. Ripple and noise are measured with 20 MHz bandwidth using a 12-inch twisted-pair wire terminated with 0.1 µF and 47 µF capacitors in parallel. Voltage tolerance includes setup tolerance, line regulation and load regulation. Input Supply and Start-up Characteristics AC input voltage range 90–264 VAC Extended operational AC input 277 VAC DC input voltage range 128–370 VDC Extended operational DC input 390 VDC Input frequency 47–63 Hz Typical power factor at 115 / 230 / 277 VAC >0.98 / >0.95 / >0.92 Typical AC current at 115 / 230 / 277 VAC 1.8 / 0.8 / 0.7 A Typical cold-start inrush current 65 A at 230 VAC Leakage current <0.75 mA at 277 VAC Setup / rise time at 115 VAC 1000 / 50 ms Setup / rise time at 230 VAC 500 / 50 ms Typical hold-up time 16 ms at 115 / 230 VAC The power-factor values apply at full load. The input-current figures correspond to the three AC voltages in the stated order. The static input-voltage curve at 60 Hz marks 80% load at 90 VAC and 100% at 100 VAC, with the full-load plateau extending through the normal input range. The 277 VAC endpoint is marked operational; apply the input and thermal limits together. Setup time is measured at the first cold start. Rapid ON/OFF cycling can increase setup time. Setup, rise and hold-up times are specified at full load. Protection and Recovery Overcurrent / overload range 105–125% Overcurrent / overload response Constant-current limiting; automatic recovery after the fault is removed Short-circuit response Constant-current limiting; automatic recovery after the fault is removed Overvoltage protection range 14–17 V Overvoltage recovery Output shutdown with automatic recovery or re-power recovery Overtemperature recovery Output shutdown; automatic recovery after temperature falls Remove the cause of the fault before returning the unit to service. Protection thresholds do not provide additional continuous output capacity. Cooling, Environment and Derating Cooling Fanless, free-air convection Working ambient temperature −55 to +70°C Working humidity 20–95% RH, non-condensing Storage temperature and humidity −60 to +80°C; 10–95% RH, non-condensing Temperature coefficient ±0.03%/°C from 0 to 60°C Maximum operating altitude 5000 m Vibration test 20–500 Hz; 10 G; 12 minutes per cycle; 72 minutes along each X, Y and Z axis With horizontal mounting, the thermal curve allows 100% load from −55°C to 60°C, then falls to 60% at 70°C. Above 2000 m operating altitude, reduce the permissible ambient temperature by 3.5°C per additional 1000 m for this fanless model. Maintain the free-air convection path and apply altitude, input-voltage and temperature derating together. Wiring, Mechanical Dimensions and Installation Catalogue dimensions, L × W × H 228 × 68 × 38.8 mm Case reference 994D Mechanical drawing tolerance ±1 mm Longitudinal mounting reference 204 mm Mounting-hole callout 4 × Ø4.2 mm AC input cable SJTW 18 AWG × 3 conductors AC input conductors FG: green/yellow; L: brown; N: blue DC output cable SJTW 14 AWG × 2 conductors DC output conductors +V: red; −V: black Input and output cable drawing lengths 300 ±20 mm each Connect the marked protective-earth conductor and observe DC polarity. Use the complete drawing for the mounting-hole coordinates, cable exit positions and required installation clearance. The marked tc / T case point identifies the location for maximum-case-temperature measurement. Use the complete mechanical drawing and the manufacturer's installation instructions for mounting and wiring. Configuration and Ingress-Protection Selection This is the optional blank-suffix IP68 configuration. It has fixed output voltage and current level and uses the shown cables for input and output. The catalogue's IP68 water-protection test is performed 1000 mm below the water surface for one month. Select the complete enclosure and connection arrangement for the installation and preserve its sealing when fitting and adjusting the unit. Safety, EMC and Reliability Catalogue-listed approvals UL62368-1; IEC62368-1; EAC TP TC 004; IP68 Safety design reference BS EN/EN62368-1 Withstand voltage, input to output 3.75 kVAC Withstand voltage, input to FG 2 kVAC Withstand voltage, output to FG 1.5 kVAC Isolation resistance 100 MΩ at 500 VDC, 25°C and 70% RH EMC emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC 020 EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; light industry level with 6 kV surge; EAC TP TC 020 Minimum MTBF, Telcordia SR-332 1967.4 thousand hours Minimum MTBF, MIL-HDBK-217F 164.2 thousand hours at 25°C Manufacturer catalogue warranty 6 years The power supply is a component for integration into final equipment. The final equipment manufacturer must requalify EMC compliance with the complete installation and configuration. Additional safety and EMC design references are BS EN/EN60598-1, CNS15233, GB7000.1 and FCC Part 18. These design references are distinct from the catalogue's listed approvals. Mass Reference and Intended Applications Catalogue PACKING reference per unit 1.15 kg / 1150 g Catalogue carton packing 12 units / 14.8 kg / 0.8 CUFT The per-unit mass is the explicit catalogue PACKING reference, not a measured shipment weight or a carton-weight average. Intended applications include outdoor telecommunications equipment, electronic signage and billboards, petroleum plants and mine-shaft facilities. Select the installation enclosure, wiring and protection for the actual site conditions. Use the full model-specific mechanical drawing and the manufacturer's installation manual when selecting mounting hardware and connection materials.

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