MEAN WELL MDR-60-12 is a single-output industrial DIN rail power supply rated at 12 V DC, 5 A and 60 W. It accepts 85–264 VAC or 120–370 VDC, uses free-air convection cooling and provides adjustable output, an LED indicator and a DC OK relay contact in a 40 mm-wide enclosure. Product Datasheet Download MEAN WELL MDR-60 Datasheet (PDF) The MDR-60 section is on PDF pages 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model / catalogue MDR-60-12; MDR-60 catalogue revision 2025-07-25. The final code denotes the nominal 12 V output. Rated DC output 12 V / 5 A / 60 W; current range 0–5 A. Output adjustment 12–15 V using +V ADJ. Observe the rated output-current and power limits when adjusting voltage. Ripple and noise 120 mVp-p maximum; measured at 20 MHz bandwidth with a 12-inch twisted pair terminated by parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±1%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1% / ±1%, respectively. Typical efficiency 85% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the model-specific 60 W rating together with its input-voltage and ambient-temperature limits; the series name is not a uniform power rating for every output voltage. Input and Timing AC / DC input 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 1.8 A at 115 VAC; 1 A at 230 VAC. Typical cold-start inrush 30 A at 115 VAC; 60 A at 230 VAC. Leakage current Less than 1 mA at 240 VAC. Setup / rise time 500 / 30 ms at both 230 VAC and 115 VAC, at full load. Typical hold-up time 50 ms at 230 VAC; 20 ms at 115 VAC, at full load. No-load power consumption Less than 0.75 W. Setup time is measured at the first cold start; repeated power ON/OFF switching may increase it. Unless otherwise stated, specifications use 230 VAC input, rated load and 25°C ambient. Protection and DC OK Relay Short circuit / overload 105–150% of rated output power; constant-current limiting, with automatic recovery after the fault is removed. Overvoltage 15.6–18 V; output shutdown, with re-powering required for recovery. DC OK contact states Closed: PSU turns on / DC OK. Open: PSU turns off / DC Fail. Relay contact maximum 30 V / 1 A with a resistive load. Use the two terminals marked DC OK as the relay contact pair. Front indication / control DC OK LED indication and +V ADJ output-voltage adjustment are shown on the front drawing. Switching frequency 60 kHz, as labelled in the block diagram. The DC OK connection is a relay contact for monitoring; the contact rating is not an auxiliary power-output rating. Overload thresholds describe protective operation, not permission to exceed the continuous output rating. Cooling and Operating Limits Cooling / orientation Free-air convection; the published ambient-temperature curve is for vertical mounting. Temperature derating Operating range −20 to +70°C, subject to derating. This model permits 100% load through +55°C, then decreases linearly to 60% load at +70°C. Input-voltage derating At 60 Hz AC, the curve shows 80% load at 85 VAC and 100% at 100 VAC; the full-load plateau continues to 264 VAC. Apply this with the temperature derating limit. Working humidity 20–90% RH, non-condensing. Storage temperature / humidity −40 to +85°C; 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. Vibration Component: 10–500 Hz, 2G, 10 min/cycle, 60 min on each X, Y and Z axis. Mounting: compliance with IEC60068-2-6. For this fanless design, the catalogue specifies an additional ambient-temperature derating of 3.5°C per 1000 m above 2000 m. This footnote does not state a maximum approved installation altitude. Safety, Isolation and EMC Listed safety standards UL508, UL62368-1, TUV BS EN/EN62368-1, EAC TP TC004, BSMI CNS14336-1 and AS/NZS60950.1. Hazardous-location classification Class I, Division 2, Groups A, B, C and D, temperature code T4, as listed in the manufacturer’s specification. Follow the applicable product marking and installation requirements. BIS approval scope The catalogue lists BIS IS13252 (Part 1):2010 / IEC60950-1:2005 approval for this model; the family’s 48 V version is excluded. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Isolation resistance Greater than 100 MΩ for input–output, input–FG and output–FG, tested at 500 VDC, 25°C and 70% RH. EMC emission BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B, BS EN/EN61000-3-2 and -3, EAC TP TC020, and CNS13438 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035, BS EN/EN61000-6-2, BS EN/EN61204-3, heavy-industry level; EAC TP TC020. This supply is a component for installation in final equipment. The completed equipment must be checked again for applicable EMC compliance. Dimensions, Terminals and Installation Body size 40 × 90 × 100 mm (W × H × D); case 962A; drawing tolerance ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; the rail drawing marks a 35 mm width. Upper terminals, front view From left to right: +V, +V, −V, −V, followed by the two DC OK relay-contact terminals. Adjacent terminal centres are shown 5 mm apart. Lower terminals, front view From left to right: FG (protective earth), AC/N and AC/L. Adjacent terminal centres are shown 7.5 mm apart. Wiring and fastening Connect FG to protective earth and follow the actual terminal markings. Use the supplied unit’s installation instructions for wire size and terminal torque; these catalogue pages do not specify those numerical limits. Refer to PDF page 8 for the mounting latch, terminal layout and clearances. A compatible DIN rail is an installation item, not a statement that a rail is supplied. These MDR-60 pages do not give a separately orderable MEAN WELL bracket, cover, connector or cable accessory model. Weight and Manufacturer Information Single-unit catalogue packing reference 287 g per unit, from the PACKING entry on PDF page 7: 287 g; 42 pcs / 13.05 kg / 0.82 CUFT. This is a catalogue packing reference, not a measured net or shipping weight. MTBF reference 2355.2 K hours minimum, Telcordia SR-332 (Bellcore); 489.9 K hours minimum, MIL-HDBK-217F at 25°C. These calculated reliability references are not a guaranteed operating life. Production test The manufacturer lists a 100% full-load burn-in test. Warranty statement The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-20-24 is a single-output industrial DIN rail power supply rated at 24 V DC, 1 A and 24 W. The 22.5 mm-wide Class I unit uses free-air convection and mounts on TS-35/7.5 or TS-35/15 rail. It provides an active DC OK signal and an LED indicator. The +V ADJ control allows output-voltage adjustment within the specified range. Product Datasheet Download MEAN WELL MDR-20 Datasheet (PDF) The MDR-20 section is on PDF pages 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and DC Output Complete model MDR-20-24; MDR-20 catalogue revision 2024-10-30. The final code identifies the nominal 24 V DC output. Rated output 24 V DC / 1 A / 24 W; output-current range 0–1 A. Voltage adjustment 21.6–26.4 V, using +V ADJ. Keep output current and power within the model ratings. Ripple and noise 150 mVp-p maximum. Measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±1%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1.0% / ±1%, respectively. Typical efficiency 84% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the published 24 W rating for this complete model. The family number and small differences in rounded voltage × current values do not replace the catalogue power rating. Apply input and temperature derating together. Input, Timing and Consumption Input range 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 0.55 A at 115 VAC; 0.35 A at 230 VAC. Typical cold-start inrush 20 A at 115 VAC; 40 A at 230 VAC. Setup / rise at full load 500 / 30 ms at 230 VAC; 1000 / 30 ms at 115 VAC. Typical hold-up at full load 50 ms at 230 VAC; 20 ms at 115 VAC. No-load consumption Less than 0.75 W. Leakage current Less than 1 mA at 240 VAC. Switching-frequency reference 60 kHz in the block diagram. Unless otherwise stated, parameters are measured at 230 VAC input, rated load and 25°C ambient. Setup time is measured at the first cold start; repeated switching on and off may increase setup time. Protection Short circuit / overload 105–160% of rated output power: constant-current limiting, with automatic recovery after the fault is removed. Overvoltage threshold 27.6–32.4 V. Overvoltage response Output voltage shuts down; re-power the unit to recover. Protection thresholds are fault-response values, not additional continuous or peak output ratings. DC OK Active Signal and External Circuits Signal output The DC OK active-signal entry is 18–27 V / 20 mA maximum, referenced to V−. This is a powered signal output, not a built-in dry relay contact. 5 V signal example The catalogue shows a series resistor R of at least 3900 Ω from DC OK to a signal node, with a 5.1 V zener diode between that node and V−. External LED example Connect the LED and series resistor R between DC OK and V− as drawn. R must be at least 4700 Ω for this output-voltage model. External relay example The drawing connects relay coil RL between DC OK and V−. Coil resistance must be at least 1200 Ω for this model; respect the active-output current limit. The three circuits are application examples on PDF page 4. Their external resistor, zener diode, LED and relay are not identified as supplied accessories, and no complete orderable component codes are given. Select compatible external components using the shown circuit and signal limits. Cooling, Derating and Environment Cooling / mounting Free-air convection; the temperature curve applies to vertical mounting. Ambient-temperature curve Working range −20 to +70°C, subject to derating. For this model, the curve shows 100% load from −20 to +50°C, decreasing linearly to 50% load at +70°C. Input-voltage curve At 60 Hz AC, 80% load is shown at 85 VAC, rising to 100% at 100 VAC. The 100% plateau continues through 264 VAC. Apply the lower permissible load when temperature and input limits overlap. Humidity / storage Working: 20–90% RH, non-condensing. Storage: −40 to +85°C, 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. High-altitude derating For this fanless supply, reduce the allowed ambient temperature by 3.5°C per 1000 m of altitude above 2000 m, as specified in the catalogue footnote. Vibration Component: 10–500 Hz, 2G, 10 min/cycle and 60 min on each X, Y and Z axis. Mounting compliance: IEC60068-2-6. Isolation, Safety and EMC Protective earth Class I installation: connect the FG protective-earth terminal as shown in the mechanical drawing. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Insulation resistance 100 MΩ for input–output, input–FG and output–FG, measured at 500 VDC, 25°C and 70% RH. Listed safety approvals UL508; TUV BS EN/EN62368-1; EAC TP TC004; BSMI CNS15598-1; AS/NZS62368.1; IS13252 (Part 1)/IEC60950-1. EMC emissions BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; BS EN/EN61000-6-1; BS EN/EN61204-3; light-industry level; EAC TP TC020. This supply is a component for installation in final equipment. Reconfirm EMC compliance in that completed equipment; the component ratings and tests do not constitute certification of the entire installation. Installation, Terminals and Weight Body dimensions 22.5 × 90 × 100 mm (W × H × D); case 956. General mechanical-drawing tolerance: ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; 35 mm rail width shown in the drawing. Upper terminals, front view From left to right: +V, −V and DC OK; the drawing marks a 5 mm terminal pitch. Lower terminals, front view From left to right: FG protective earth, N and L. Follow the marked terminals on the supplied unit. Front indication / control DC OK LED and +V ADJ output-voltage adjustment. Single-unit packing reference 170 g per unit. Full PACKING entry: 0.17 kg; 72 pcs / 13.2 kg / 1.04 CUFT. The carton gross mass is separate from the unit reference weight. Use the mechanical drawing on PDF page 4 for connection and DIN-latch geometry. Follow the supplied unit’s markings and installation instructions for wiring and tightening. Rail compatibility does not imply that a rail is included; these pages give no separately orderable MEAN WELL rail, bracket, cover or connector accessory code. Reliability and Manufacturer Information MTBF reference 2780.8 K hours minimum under Telcordia SR-332 (Bellcore); 236.9 K hours minimum under MIL-HDBK-217F at 25°C. MTBF is a reliability calculation, not a guaranteed service life. Factory test The catalogue states 100% full-load burn-in testing. Warranty The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-100-48 is a single-output industrial DIN rail AC/DC power supply rated at 48 V DC, 2 A and 96 W. It combines universal input, power-factor correction, an adjustable output and a DC OK relay contact. Apply the input-voltage and vertical-mounting temperature curves when selecting the load. Product Datasheet Download MEAN WELL MDR-100 Datasheet (PDF) The MDR-100 section is on PDF pages 9, 10. Refer to the complete mechanical drawings and notes when planning installation. Model Identification Complete model MDR-100-48 MDR-100 Industrial DIN rail power-supply family; the individual output ratings are shown below. 48 output code 48 V nominal DC output. Construction features Free-air convection cooling; ZCS/ZVS technology to reduce power dissipation; power-on LED and DC voltage adjustment. DC Output Nominal voltage 48 V DC. Rated current 2 A. Current range 0–2 A. Rated output power 96 W. Output-voltage adjustment 48–56 V DC, using +V ADJ. Ripple and noise, maximum 200 mVp-p. Voltage tolerance ±1.0%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1.0% / ±1.0%. Efficiency, typical 87% under the catalogue’s default test conditions. Observe the rated current and rated power while adjusting output voltage. Ripple and noise are measured with 20 MHz bandwidth, a 12-inch twisted pair and 0.1 µF plus 47 µF parallel capacitors at the termination. Input, Power Factor and Starting AC input 85–264 VAC, universal full range. DC input 120–370 VDC. Input frequency 47–63 Hz. Power factor, typical PF ≥0.95 at 230 VAC; PF ≥0.98 at 115 VAC, at full load. The block diagram shows the PFC circuit and control. AC input current, typical 1.3 A at 115 VAC; 0.8 A at 230 VAC. Cold-start inrush, typical 30 A at 115 VAC; 60 A at 230 VAC. Setup / rise time 3000 ms / 50 ms at either 230 VAC or 115 VAC, at full load. Hold-up time, typical 50 ms at 230 VAC; 20 ms at 115 VAC, at full load. No-load consumption Less than 1 W. Leakage current Less than 1 mA at 240 VAC. Setup time is measured at the first cold start; switching the supply off and on again may increase setup time. Low input voltage can require load derating. Protection and DC OK Relay Short circuit / overload Overload threshold: 105–150% of rated output power. Constant-current limiting; automatic recovery after the fault is removed. Overvoltage 57.6–64.8 V. Output shuts down; re-power to recover. Overtemperature Output shuts down; automatic recovery or re-power to recover, as specified by the catalogue. DC OK contact closed Power supply on / DC OK. DC OK contact open Power supply off / DC fail. Contact rating, maximum 30 V / 1 A with a resistive load. Use the dedicated two-terminal relay contact for status monitoring; it is separate from the DC output terminals. The catalogue does not specify a logic-output voltage or an exact trip threshold for this relay. Cooling, Derating and Environment Cooling / operating range Free-air convection; -10 to +60°C, subject to the derating curve. Vertical temperature curve 100% load from -10°C to 40°C; reduce along the plotted line to 60% at 60°C. The upper temperature limit is not a full-load rating. Input-voltage curve, 60 Hz 80% load at 85 VAC, rising to 100% at 100 VAC; 100% continues through 264 VAC. Working humidity 20–90% RH, non-condensing. Storage -40 to +85°C; 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. Vibration Component: 10–500 Hz, 2 G; 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Mounting complies with IEC60068-2-6. Altitude derating note For this fanless supply, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1000 m above 2000 m (6500 ft). Temperature and input-voltage limits apply together. Follow the complete plotted curves for intermediate operating points and maintain the natural-convection path. Dimensions, Wiring and Mounting Dimensions 55 × 90 × 100 mm (W × H × D); case 973A, mechanical drawing tolerance ±1 mm. DIN rail TS-35/7.5 or TS-35/15; the drawing shows a 35 mm rail profile. Upper terminals, viewed from the front Left to right: +V, +V, -V, -V, then the two DC OK relay-contact terminals. Follow the engraved labels and complete drawing. Lower terminals, viewed from the front Left to right: FG protective earth, N, L. Terminal drawing spacings Upper row: 5 mm between adjacent terminal centers; lower row: 7.5 mm between adjacent terminal centers. Indication / adjustment The front drawing identifies the DC OK LED and +V ADJ control. Use only this model’s stated voltage-adjustment range. Installation orientation Use the vertical orientation associated with the derating curve; connect the indicated FG protective-earth terminal. The catalogue identifies the compatible DIN rail profiles but does not list a separate mounting-kit, terminal-kit or connector ordering code, or state that a rail is included. Consult the manufacturer installation instructions for the final installation. Safety, Insulation and EMC Catalogue-listed safety approvals UL508; TUV BS EN/EN62368-1; EAC TP TC004; BSMI CNS15598-1; AS/NZS60950.1. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Insulation resistance More than 100 MΩ for input–output, input–FG and output–FG at 500 VDC, 25°C and 70% RH. EMC emissions BS EN/EN55032 (CISPR32); BS EN/EN61204-3 Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; BS EN/EN61000-6-2; BS EN/EN61204-3, heavy-industry level; EAC TP TC020. The catalogue excludes the 48 V model from its BIS IS13252 listing. This power supply is a component for installation in final equipment. Reconfirm that the completed equipment complies with the applicable EMC directives. Weight, Reliability and Reference Conditions Catalogue unit weight 420 g: 0.42 kg explicitly listed in PACKING as a catalogue packing reference per unit, not a measured net weight or a shipment weight. MTBF 2217.8 K hours minimum, Telcordia SR-332 (Bellcore); 346.5 K hours minimum, MIL-HDBK-217F at 25°C. These are reliability references, not guaranteed service life. Manufacturer test / warranty statement The catalogue lists a 100% full-load burn-in test and a three-year warranty, subject to the applicable manufacturer terms. Default measurement conditions Unless otherwise specified: 230 VAC input, rated load and 25°C ambient temperature. Applicable datasheet MDR-100-SPEC, 2025-12-12; combined MDR catalogue pages 9–10.

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MEAN WELL MDR-100-24 is a single-output industrial DIN rail AC/DC power supply rated at 24 V DC, 4 A and 96 W. It combines universal input, power-factor correction, an adjustable output and a DC OK relay contact. Apply the input-voltage and vertical-mounting temperature curves when selecting the load. Product Datasheet Download MEAN WELL MDR-100 Datasheet (PDF) The MDR-100 section is on PDF pages 9, 10. Refer to the complete mechanical drawings and notes when planning installation. Model Identification Complete model MDR-100-24 MDR-100 Industrial DIN rail power-supply family; the individual output ratings are shown below. 24 output code 24 V nominal DC output. Construction features Free-air convection cooling; ZCS/ZVS technology to reduce power dissipation; power-on LED and DC voltage adjustment. DC Output Nominal voltage 24 V DC. Rated current 4 A. Current range 0–4 A. Rated output power 96 W. Output-voltage adjustment 24–30 V DC, using +V ADJ. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±1.0%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1.0% / ±1.0%. Efficiency, typical 86% under the catalogue’s default test conditions. Observe the rated current and rated power while adjusting output voltage. Ripple and noise are measured with 20 MHz bandwidth, a 12-inch twisted pair and 0.1 µF plus 47 µF parallel capacitors at the termination. Input, Power Factor and Starting AC input 85–264 VAC, universal full range. DC input 120–370 VDC. Input frequency 47–63 Hz. Power factor, typical PF ≥0.95 at 230 VAC; PF ≥0.98 at 115 VAC, at full load. The block diagram shows the PFC circuit and control. AC input current, typical 1.3 A at 115 VAC; 0.8 A at 230 VAC. Cold-start inrush, typical 30 A at 115 VAC; 60 A at 230 VAC. Setup / rise time 3000 ms / 50 ms at either 230 VAC or 115 VAC, at full load. Hold-up time, typical 50 ms at 230 VAC; 20 ms at 115 VAC, at full load. No-load consumption Less than 1 W. Leakage current Less than 1 mA at 240 VAC. Setup time is measured at the first cold start; switching the supply off and on again may increase setup time. Low input voltage can require load derating. Protection and DC OK Relay Short circuit / overload Overload threshold: 105–150% of rated output power. Constant-current limiting; automatic recovery after the fault is removed. Overvoltage 31.2–36 V. Output shuts down; re-power to recover. Overtemperature Output shuts down; automatic recovery or re-power to recover, as specified by the catalogue. DC OK contact closed Power supply on / DC OK. DC OK contact open Power supply off / DC fail. Contact rating, maximum 30 V / 1 A with a resistive load. Use the dedicated two-terminal relay contact for status monitoring; it is separate from the DC output terminals. The catalogue does not specify a logic-output voltage or an exact trip threshold for this relay. Cooling, Derating and Environment Cooling / operating range Free-air convection; -10 to +60°C, subject to the derating curve. Vertical temperature curve 100% load from -10°C to 40°C; reduce along the plotted line to 60% at 60°C. The upper temperature limit is not a full-load rating. Input-voltage curve, 60 Hz 80% load at 85 VAC, rising to 100% at 100 VAC; 100% continues through 264 VAC. Working humidity 20–90% RH, non-condensing. Storage -40 to +85°C; 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. Vibration Component: 10–500 Hz, 2 G; 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Mounting complies with IEC60068-2-6. Altitude derating note For this fanless supply, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1000 m above 2000 m (6500 ft). Temperature and input-voltage limits apply together. Follow the complete plotted curves for intermediate operating points and maintain the natural-convection path. Dimensions, Wiring and Mounting Dimensions 55 × 90 × 100 mm (W × H × D); case 973A, mechanical drawing tolerance ±1 mm. DIN rail TS-35/7.5 or TS-35/15; the drawing shows a 35 mm rail profile. Upper terminals, viewed from the front Left to right: +V, +V, -V, -V, then the two DC OK relay-contact terminals. Follow the engraved labels and complete drawing. Lower terminals, viewed from the front Left to right: FG protective earth, N, L. Terminal drawing spacings Upper row: 5 mm between adjacent terminal centers; lower row: 7.5 mm between adjacent terminal centers. Indication / adjustment The front drawing identifies the DC OK LED and +V ADJ control. Use only this model’s stated voltage-adjustment range. Installation orientation Use the vertical orientation associated with the derating curve; connect the indicated FG protective-earth terminal. The catalogue identifies the compatible DIN rail profiles but does not list a separate mounting-kit, terminal-kit or connector ordering code, or state that a rail is included. Consult the manufacturer installation instructions for the final installation. Safety, Insulation and EMC Catalogue-listed safety approvals UL508; TUV BS EN/EN62368-1; EAC TP TC004; BSMI CNS15598-1; AS/NZS60950.1. BIS IS13252 (Part 1):2010 / IEC60950-1:2005 is also listed for this model. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Insulation resistance More than 100 MΩ for input–output, input–FG and output–FG at 500 VDC, 25°C and 70% RH. EMC emissions BS EN/EN55032 (CISPR32); BS EN/EN61204-3 Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; BS EN/EN61000-6-2; BS EN/EN61204-3, heavy-industry level; EAC TP TC020. This power supply is a component for installation in final equipment. Reconfirm that the completed equipment complies with the applicable EMC directives. Weight, Reliability and Reference Conditions Catalogue unit weight 420 g: 0.42 kg explicitly listed in PACKING as a catalogue packing reference per unit, not a measured net weight or a shipment weight. MTBF 2217.8 K hours minimum, Telcordia SR-332 (Bellcore); 346.5 K hours minimum, MIL-HDBK-217F at 25°C. These are reliability references, not guaranteed service life. Manufacturer test / warranty statement The catalogue lists a 100% full-load burn-in test and a three-year warranty, subject to the applicable manufacturer terms. Default measurement conditions Unless otherwise specified: 230 VAC input, rated load and 25°C ambient temperature. Applicable datasheet MDR-100-SPEC, 2025-12-12; combined MDR catalogue pages 9–10.

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MEAN WELL MDR-100-12 is a single-output industrial DIN rail AC/DC power supply rated at 12 V DC, 7.5 A and 90 W. It combines universal input, power-factor correction, an adjustable output and a DC OK relay contact. Apply the input-voltage and vertical-mounting temperature curves when selecting the load. Product Datasheet Download MEAN WELL MDR-100 Datasheet (PDF) The MDR-100 section is on PDF pages 9, 10. Refer to the complete mechanical drawings and notes when planning installation. Model Identification Complete model MDR-100-12 MDR-100 Industrial DIN rail power-supply family; the individual output ratings are shown below. 12 output code 12 V nominal DC output. Construction features Free-air convection cooling; ZCS/ZVS technology to reduce power dissipation; power-on LED and DC voltage adjustment. DC Output Nominal voltage 12 V DC. Rated current 7.5 A. Current range 0–7.5 A. Rated output power 90 W. Output-voltage adjustment 12–15 V DC, using +V ADJ. Ripple and noise, maximum 120 mVp-p. Voltage tolerance ±1.0%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1.0% / ±1.0%. Efficiency, typical 83% under the catalogue’s default test conditions. Observe the rated current and rated power while adjusting output voltage. Ripple and noise are measured with 20 MHz bandwidth, a 12-inch twisted pair and 0.1 µF plus 47 µF parallel capacitors at the termination. Input, Power Factor and Starting AC input 85–264 VAC, universal full range. DC input 120–370 VDC. Input frequency 47–63 Hz. Power factor, typical PF ≥0.95 at 230 VAC; PF ≥0.98 at 115 VAC, at full load. The block diagram shows the PFC circuit and control. AC input current, typical 1.3 A at 115 VAC; 0.8 A at 230 VAC. Cold-start inrush, typical 30 A at 115 VAC; 60 A at 230 VAC. Setup / rise time 3000 ms / 50 ms at either 230 VAC or 115 VAC, at full load. Hold-up time, typical 50 ms at 230 VAC; 20 ms at 115 VAC, at full load. No-load consumption Less than 1 W. Leakage current Less than 1 mA at 240 VAC. Setup time is measured at the first cold start; switching the supply off and on again may increase setup time. Low input voltage can require load derating. Protection and DC OK Relay Short circuit / overload Overload threshold: 105–150% of rated output power. Constant-current limiting; automatic recovery after the fault is removed. Overvoltage 15.6–18 V. Output shuts down; re-power to recover. Overtemperature Output shuts down; automatic recovery or re-power to recover, as specified by the catalogue. DC OK contact closed Power supply on / DC OK. DC OK contact open Power supply off / DC fail. Contact rating, maximum 30 V / 1 A with a resistive load. Use the dedicated two-terminal relay contact for status monitoring; it is separate from the DC output terminals. The catalogue does not specify a logic-output voltage or an exact trip threshold for this relay. Cooling, Derating and Environment Cooling / operating range Free-air convection; -10 to +60°C, subject to the derating curve. Vertical temperature curve 100% load from -10°C to 40°C; reduce along the plotted line to 60% at 60°C. The upper temperature limit is not a full-load rating. Input-voltage curve, 60 Hz 80% load at 85 VAC, rising to 100% at 100 VAC; 100% continues through 264 VAC. Working humidity 20–90% RH, non-condensing. Storage -40 to +85°C; 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. Vibration Component: 10–500 Hz, 2 G; 10 minutes per cycle and 60 minutes along each X, Y and Z axis. Mounting complies with IEC60068-2-6. Altitude derating note For this fanless supply, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1000 m above 2000 m (6500 ft). Temperature and input-voltage limits apply together. Follow the complete plotted curves for intermediate operating points and maintain the natural-convection path. Dimensions, Wiring and Mounting Dimensions 55 × 90 × 100 mm (W × H × D); case 973A, mechanical drawing tolerance ±1 mm. DIN rail TS-35/7.5 or TS-35/15; the drawing shows a 35 mm rail profile. Upper terminals, viewed from the front Left to right: +V, +V, -V, -V, then the two DC OK relay-contact terminals. Follow the engraved labels and complete drawing. Lower terminals, viewed from the front Left to right: FG protective earth, N, L. Terminal drawing spacings Upper row: 5 mm between adjacent terminal centers; lower row: 7.5 mm between adjacent terminal centers. Indication / adjustment The front drawing identifies the DC OK LED and +V ADJ control. Use only this model’s stated voltage-adjustment range. Installation orientation Use the vertical orientation associated with the derating curve; connect the indicated FG protective-earth terminal. The catalogue identifies the compatible DIN rail profiles but does not list a separate mounting-kit, terminal-kit or connector ordering code, or state that a rail is included. Consult the manufacturer installation instructions for the final installation. Safety, Insulation and EMC Catalogue-listed safety approvals UL508; TUV BS EN/EN62368-1; EAC TP TC004; BSMI CNS15598-1; AS/NZS60950.1. BIS IS13252 (Part 1):2010 / IEC60950-1:2005 is also listed for this model. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Insulation resistance More than 100 MΩ for input–output, input–FG and output–FG at 500 VDC, 25°C and 70% RH. EMC emissions BS EN/EN55032 (CISPR32); BS EN/EN61204-3 Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; BS EN/EN61000-6-2; BS EN/EN61204-3, heavy-industry level; EAC TP TC020. This power supply is a component for installation in final equipment. Reconfirm that the completed equipment complies with the applicable EMC directives. Weight, Reliability and Reference Conditions Catalogue unit weight 420 g: 0.42 kg explicitly listed in PACKING as a catalogue packing reference per unit, not a measured net weight or a shipment weight. MTBF 2217.8 K hours minimum, Telcordia SR-332 (Bellcore); 346.5 K hours minimum, MIL-HDBK-217F at 25°C. These are reliability references, not guaranteed service life. Manufacturer test / warranty statement The catalogue lists a 100% full-load burn-in test and a three-year warranty, subject to the applicable manufacturer terms. Default measurement conditions Unless otherwise specified: 230 VAC input, rated load and 25°C ambient temperature. Applicable datasheet MDR-100-SPEC, 2025-12-12; combined MDR catalogue pages 9–10.

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MEAN WELL MDR-60-48 is a single-output industrial DIN rail power supply rated at 48 V DC, 1.25 A and 60 W. It accepts 85–264 VAC or 120–370 VDC, uses free-air convection cooling and provides adjustable output, an LED indicator and a DC OK relay contact in a 40 mm-wide enclosure. Product Datasheet Download MEAN WELL MDR-60 Datasheet (PDF) The MDR-60 section is on PDF pages 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model / catalogue MDR-60-48; MDR-60 catalogue revision 2025-07-25. The final code denotes the nominal 48 V output. Rated DC output 48 V / 1.25 A / 60 W; current range 0–1.25 A. Output adjustment 48–56 V using +V ADJ. Observe the rated output-current and power limits when adjusting voltage. Ripple and noise 200 mVp-p maximum; measured at 20 MHz bandwidth with a 12-inch twisted pair terminated by parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±1%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1% / ±1%, respectively. Typical efficiency 87% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the model-specific 60 W rating together with its input-voltage and ambient-temperature limits; the series name is not a uniform power rating for every output voltage. Input and Timing AC / DC input 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 1.8 A at 115 VAC; 1 A at 230 VAC. Typical cold-start inrush 30 A at 115 VAC; 60 A at 230 VAC. Leakage current Less than 1 mA at 240 VAC. Setup / rise time 500 / 30 ms at both 230 VAC and 115 VAC, at full load. Typical hold-up time 50 ms at 230 VAC; 20 ms at 115 VAC, at full load. No-load power consumption Less than 0.75 W. Setup time is measured at the first cold start; repeated power ON/OFF switching may increase it. Unless otherwise stated, specifications use 230 VAC input, rated load and 25°C ambient. Protection and DC OK Relay Short circuit / overload 105–150% of rated output power; constant-current limiting, with automatic recovery after the fault is removed. Overvoltage 57.6–64.8 V; output shutdown, with re-powering required for recovery. DC OK contact states Closed: PSU turns on / DC OK. Open: PSU turns off / DC Fail. Relay contact maximum 30 V / 1 A with a resistive load. Use the two terminals marked DC OK as the relay contact pair. Front indication / control DC OK LED indication and +V ADJ output-voltage adjustment are shown on the front drawing. Switching frequency 60 kHz, as labelled in the block diagram. The DC OK connection is a relay contact for monitoring; the contact rating is not an auxiliary power-output rating. Overload thresholds describe protective operation, not permission to exceed the continuous output rating. Cooling and Operating Limits Cooling / orientation Free-air convection; the published ambient-temperature curve is for vertical mounting. Temperature derating Operating range −20 to +70°C, subject to derating. This model permits 100% load through +55°C, then decreases linearly to 60% load at +70°C. Input-voltage derating At 60 Hz AC, the curve shows 80% load at 85 VAC and 100% at 100 VAC; the full-load plateau continues to 264 VAC. Apply this with the temperature derating limit. Working humidity 20–90% RH, non-condensing. Storage temperature / humidity −40 to +85°C; 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. Vibration Component: 10–500 Hz, 2G, 10 min/cycle, 60 min on each X, Y and Z axis. Mounting: compliance with IEC60068-2-6. For this fanless design, the catalogue specifies an additional ambient-temperature derating of 3.5°C per 1000 m above 2000 m. This footnote does not state a maximum approved installation altitude. Safety, Isolation and EMC Listed safety standards UL508, UL62368-1, TUV BS EN/EN62368-1, EAC TP TC004, BSMI CNS14336-1 and AS/NZS60950.1. Hazardous-location classification Class I, Division 2, Groups A, B, C and D, temperature code T4, as listed in the manufacturer’s specification. Follow the applicable product marking and installation requirements. BIS approval scope The 48 V model is excluded from the catalogue’s BIS IS13252 / IEC60950-1 approval listing. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Isolation resistance Greater than 100 MΩ for input–output, input–FG and output–FG, tested at 500 VDC, 25°C and 70% RH. EMC emission BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B, BS EN/EN61000-3-2 and -3, EAC TP TC020, and CNS13438 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035, BS EN/EN61000-6-2, BS EN/EN61204-3, heavy-industry level; EAC TP TC020. This supply is a component for installation in final equipment. The completed equipment must be checked again for applicable EMC compliance. Dimensions, Terminals and Installation Body size 40 × 90 × 100 mm (W × H × D); case 962A; drawing tolerance ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; the rail drawing marks a 35 mm width. Upper terminals, front view From left to right: +V, +V, −V, −V, followed by the two DC OK relay-contact terminals. Adjacent terminal centres are shown 5 mm apart. Lower terminals, front view From left to right: FG (protective earth), AC/N and AC/L. Adjacent terminal centres are shown 7.5 mm apart. Wiring and fastening Connect FG to protective earth and follow the actual terminal markings. Use the supplied unit’s installation instructions for wire size and terminal torque; these catalogue pages do not specify those numerical limits. Refer to PDF page 8 for the mounting latch, terminal layout and clearances. A compatible DIN rail is an installation item, not a statement that a rail is supplied. These MDR-60 pages do not give a separately orderable MEAN WELL bracket, cover, connector or cable accessory model. Weight and Manufacturer Information Single-unit catalogue packing reference 287 g per unit, from the PACKING entry on PDF page 7: 287 g; 42 pcs / 13.05 kg / 0.82 CUFT. This is a catalogue packing reference, not a measured net or shipping weight. MTBF reference 2355.2 K hours minimum, Telcordia SR-332 (Bellcore); 489.9 K hours minimum, MIL-HDBK-217F at 25°C. These calculated reliability references are not a guaranteed operating life. Production test The manufacturer lists a 100% full-load burn-in test. Warranty statement The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-60-24 is a single-output industrial DIN rail power supply rated at 24 V DC, 2.5 A and 60 W. It accepts 85–264 VAC or 120–370 VDC, uses free-air convection cooling and provides adjustable output, an LED indicator and a DC OK relay contact in a 40 mm-wide enclosure. Product Datasheet Download MEAN WELL MDR-60 Datasheet (PDF) The MDR-60 section is on PDF pages 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model / catalogue MDR-60-24; MDR-60 catalogue revision 2025-07-25. The final code denotes the nominal 24 V output. Rated DC output 24 V / 2.5 A / 60 W; current range 0–2.5 A. Output adjustment 24–30 V using +V ADJ. Observe the rated output-current and power limits when adjusting voltage. Ripple and noise 150 mVp-p maximum; measured at 20 MHz bandwidth with a 12-inch twisted pair terminated by parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±1%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1% / ±1%, respectively. Typical efficiency 87% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the model-specific 60 W rating together with its input-voltage and ambient-temperature limits; the series name is not a uniform power rating for every output voltage. Input and Timing AC / DC input 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 1.8 A at 115 VAC; 1 A at 230 VAC. Typical cold-start inrush 30 A at 115 VAC; 60 A at 230 VAC. Leakage current Less than 1 mA at 240 VAC. Setup / rise time 500 / 30 ms at both 230 VAC and 115 VAC, at full load. Typical hold-up time 50 ms at 230 VAC; 20 ms at 115 VAC, at full load. No-load power consumption Less than 0.75 W. Setup time is measured at the first cold start; repeated power ON/OFF switching may increase it. Unless otherwise stated, specifications use 230 VAC input, rated load and 25°C ambient. Protection and DC OK Relay Short circuit / overload 105–150% of rated output power; constant-current limiting, with automatic recovery after the fault is removed. Overvoltage 31.2–36 V; output shutdown, with re-powering required for recovery. DC OK contact states Closed: PSU turns on / DC OK. Open: PSU turns off / DC Fail. Relay contact maximum 30 V / 1 A with a resistive load. Use the two terminals marked DC OK as the relay contact pair. Front indication / control DC OK LED indication and +V ADJ output-voltage adjustment are shown on the front drawing. Switching frequency 60 kHz, as labelled in the block diagram. The DC OK connection is a relay contact for monitoring; the contact rating is not an auxiliary power-output rating. Overload thresholds describe protective operation, not permission to exceed the continuous output rating. Cooling and Operating Limits Cooling / orientation Free-air convection; the published ambient-temperature curve is for vertical mounting. Temperature derating Operating range −20 to +70°C, subject to derating. This model permits 100% load through +55°C, then decreases linearly to 60% load at +70°C. Input-voltage derating At 60 Hz AC, the curve shows 80% load at 85 VAC and 100% at 100 VAC; the full-load plateau continues to 264 VAC. Apply this with the temperature derating limit. Working humidity 20–90% RH, non-condensing. Storage temperature / humidity −40 to +85°C; 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. Vibration Component: 10–500 Hz, 2G, 10 min/cycle, 60 min on each X, Y and Z axis. Mounting: compliance with IEC60068-2-6. For this fanless design, the catalogue specifies an additional ambient-temperature derating of 3.5°C per 1000 m above 2000 m. This footnote does not state a maximum approved installation altitude. Safety, Isolation and EMC Listed safety standards UL508, UL62368-1, TUV BS EN/EN62368-1, EAC TP TC004, BSMI CNS14336-1 and AS/NZS60950.1. Hazardous-location classification Class I, Division 2, Groups A, B, C and D, temperature code T4, as listed in the manufacturer’s specification. Follow the applicable product marking and installation requirements. BIS approval scope The catalogue lists BIS IS13252 (Part 1):2010 / IEC60950-1:2005 approval for this model; the family’s 48 V version is excluded. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Isolation resistance Greater than 100 MΩ for input–output, input–FG and output–FG, tested at 500 VDC, 25°C and 70% RH. EMC emission BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B, BS EN/EN61000-3-2 and -3, EAC TP TC020, and CNS13438 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035, BS EN/EN61000-6-2, BS EN/EN61204-3, heavy-industry level; EAC TP TC020. This supply is a component for installation in final equipment. The completed equipment must be checked again for applicable EMC compliance. Dimensions, Terminals and Installation Body size 40 × 90 × 100 mm (W × H × D); case 962A; drawing tolerance ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; the rail drawing marks a 35 mm width. Upper terminals, front view From left to right: +V, +V, −V, −V, followed by the two DC OK relay-contact terminals. Adjacent terminal centres are shown 5 mm apart. Lower terminals, front view From left to right: FG (protective earth), AC/N and AC/L. Adjacent terminal centres are shown 7.5 mm apart. Wiring and fastening Connect FG to protective earth and follow the actual terminal markings. Use the supplied unit’s installation instructions for wire size and terminal torque; these catalogue pages do not specify those numerical limits. Refer to PDF page 8 for the mounting latch, terminal layout and clearances. A compatible DIN rail is an installation item, not a statement that a rail is supplied. These MDR-60 pages do not give a separately orderable MEAN WELL bracket, cover, connector or cable accessory model. Weight and Manufacturer Information Single-unit catalogue packing reference 287 g per unit, from the PACKING entry on PDF page 7: 287 g; 42 pcs / 13.05 kg / 0.82 CUFT. This is a catalogue packing reference, not a measured net or shipping weight. MTBF reference 2355.2 K hours minimum, Telcordia SR-332 (Bellcore); 489.9 K hours minimum, MIL-HDBK-217F at 25°C. These calculated reliability references are not a guaranteed operating life. Production test The manufacturer lists a 100% full-load burn-in test. Warranty statement The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-60-5 is a single-output industrial DIN rail power supply rated at 5 V DC, 10 A and 50 W. It accepts 85–264 VAC or 120–370 VDC, uses free-air convection cooling and provides adjustable output, an LED indicator and a DC OK relay contact in a 40 mm-wide enclosure. Product Datasheet Download MEAN WELL MDR-60 Datasheet (PDF) The MDR-60 section is on PDF pages 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model / catalogue MDR-60-5; MDR-60 catalogue revision 2025-07-25. The final code denotes the nominal 5 V output. Rated DC output 5 V / 10 A / 50 W; current range 0–10 A. Output adjustment 5–6 V using +V ADJ. Observe the rated output-current and power limits when adjusting voltage. Ripple and noise 80 mVp-p maximum; measured at 20 MHz bandwidth with a 12-inch twisted pair terminated by parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±2%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1% / ±1.5%, respectively. Typical efficiency 78% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the model-specific 50 W rating together with its input-voltage and ambient-temperature limits; the series name is not a uniform power rating for every output voltage. Input and Timing AC / DC input 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 1.8 A at 115 VAC; 1 A at 230 VAC. Typical cold-start inrush 30 A at 115 VAC; 60 A at 230 VAC. Leakage current Less than 1 mA at 240 VAC. Setup / rise time 500 / 30 ms at both 230 VAC and 115 VAC, at full load. Typical hold-up time 50 ms at 230 VAC; 20 ms at 115 VAC, at full load. No-load power consumption Less than 0.75 W. Setup time is measured at the first cold start; repeated power ON/OFF switching may increase it. Unless otherwise stated, specifications use 230 VAC input, rated load and 25°C ambient. Protection and DC OK Relay Short circuit / overload 105–150% of rated output power; constant-current limiting, with automatic recovery after the fault is removed. Overvoltage 6.25–7.25 V; output shutdown, with re-powering required for recovery. DC OK contact states Closed: PSU turns on / DC OK. Open: PSU turns off / DC Fail. Relay contact maximum 30 V / 1 A with a resistive load. Use the two terminals marked DC OK as the relay contact pair. Front indication / control DC OK LED indication and +V ADJ output-voltage adjustment are shown on the front drawing. Switching frequency 60 kHz, as labelled in the block diagram. The DC OK connection is a relay contact for monitoring; the contact rating is not an auxiliary power-output rating. Overload thresholds describe protective operation, not permission to exceed the continuous output rating. Cooling and Operating Limits Cooling / orientation Free-air convection; the published ambient-temperature curve is for vertical mounting. Temperature derating Operating range −20 to +70°C, subject to derating. This model permits 100% load through +45°C, then decreases linearly to 50% load at +70°C. Input-voltage derating At 60 Hz AC, the curve shows 80% load at 85 VAC and 100% at 100 VAC; the full-load plateau continues to 264 VAC. Apply this with the temperature derating limit. Working humidity 20–90% RH, non-condensing. Storage temperature / humidity −40 to +85°C; 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. Vibration Component: 10–500 Hz, 2G, 10 min/cycle, 60 min on each X, Y and Z axis. Mounting: compliance with IEC60068-2-6. For this fanless design, the catalogue specifies an additional ambient-temperature derating of 3.5°C per 1000 m above 2000 m. This footnote does not state a maximum approved installation altitude. Safety, Isolation and EMC Listed safety standards UL508, UL62368-1, TUV BS EN/EN62368-1, EAC TP TC004, BSMI CNS14336-1 and AS/NZS60950.1. Hazardous-location classification Class I, Division 2, Groups A, B, C and D, temperature code T4, as listed in the manufacturer’s specification. Follow the applicable product marking and installation requirements. BIS approval scope The catalogue lists BIS IS13252 (Part 1):2010 / IEC60950-1:2005 approval for this model; the family’s 48 V version is excluded. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Isolation resistance Greater than 100 MΩ for input–output, input–FG and output–FG, tested at 500 VDC, 25°C and 70% RH. EMC emission BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B, BS EN/EN61000-3-2 and -3, EAC TP TC020, and CNS13438 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035, BS EN/EN61000-6-2, BS EN/EN61204-3, heavy-industry level; EAC TP TC020. This supply is a component for installation in final equipment. The completed equipment must be checked again for applicable EMC compliance. Dimensions, Terminals and Installation Body size 40 × 90 × 100 mm (W × H × D); case 962A; drawing tolerance ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; the rail drawing marks a 35 mm width. Upper terminals, front view From left to right: +V, +V, −V, −V, followed by the two DC OK relay-contact terminals. Adjacent terminal centres are shown 5 mm apart. Lower terminals, front view From left to right: FG (protective earth), AC/N and AC/L. Adjacent terminal centres are shown 7.5 mm apart. Wiring and fastening Connect FG to protective earth and follow the actual terminal markings. Use the supplied unit’s installation instructions for wire size and terminal torque; these catalogue pages do not specify those numerical limits. Refer to PDF page 8 for the mounting latch, terminal layout and clearances. A compatible DIN rail is an installation item, not a statement that a rail is supplied. These MDR-60 pages do not give a separately orderable MEAN WELL bracket, cover, connector or cable accessory model. Weight and Manufacturer Information Single-unit catalogue packing reference 287 g per unit, from the PACKING entry on PDF page 7: 287 g; 42 pcs / 13.05 kg / 0.82 CUFT. This is a catalogue packing reference, not a measured net or shipping weight. MTBF reference 2355.2 K hours minimum, Telcordia SR-332 (Bellcore); 489.9 K hours minimum, MIL-HDBK-217F at 25°C. These calculated reliability references are not a guaranteed operating life. Production test The manufacturer lists a 100% full-load burn-in test. Warranty statement The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-40-48 is a single-output industrial DIN rail power supply rated at 48 V DC, 0.83 A and 39.8 W. It accepts 85–264 VAC or 120–370 VDC, uses free-air convection cooling and provides adjustable output, an LED indicator and a DC OK relay contact in a 40 mm-wide enclosure. Product Datasheet Download MEAN WELL MDR-40 Datasheet (PDF) The MDR-40 section is on PDF pages 5, 6. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model / catalogue MDR-40-48; MDR-40 catalogue revision 2024-10-30. The final code denotes the nominal 48 V output. Rated DC output 48 V / 0.83 A / 39.8 W; current range 0–0.83 A. Output adjustment 48–56 V using +V ADJ. Observe the rated output-current and power limits when adjusting voltage. Ripple and noise 200 mVp-p maximum; measured at 20 MHz bandwidth with a 12-inch twisted pair terminated by parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±1%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1% / ±1%, respectively. Typical efficiency 88% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the model-specific 39.8 W rating together with its input-voltage and ambient-temperature limits; the series name is not a uniform power rating for every output voltage. Input and Timing AC / DC input 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 1.1 A at 115 VAC; 0.7 A at 230 VAC. Typical cold-start inrush 30 A at 115 VAC; 60 A at 230 VAC. Leakage current Less than 1 mA at 240 VAC. Setup / rise time 500 / 30 ms at both 230 VAC and 115 VAC, at full load. Typical hold-up time 50 ms at 230 VAC; 20 ms at 115 VAC, at full load. No-load power consumption Less than 0.75 W. Setup time is measured at the first cold start; repeated power ON/OFF switching may increase it. Unless otherwise stated, specifications use 230 VAC input, rated load and 25°C ambient. Protection and DC OK Relay Short circuit / overload 105–150% of rated output power; constant-current limiting, with automatic recovery after the fault is removed. Overvoltage 57.6–64.8 V; output shutdown, with re-powering required for recovery. DC OK contact states Closed: PSU turns on / DC OK. Open: PSU turns off / DC Fail. Relay contact maximum 30 V / 1 A with a resistive load. Use the two terminals marked DC OK as the relay contact pair. Front indication / control DC OK LED indication and +V ADJ output-voltage adjustment are shown on the front drawing. Switching frequency 60 kHz, as labelled in the block diagram. The DC OK connection is a relay contact for monitoring; the contact rating is not an auxiliary power-output rating. Overload thresholds describe protective operation, not permission to exceed the continuous output rating. Cooling and Operating Limits Cooling / orientation Free-air convection; the published ambient-temperature curve is for vertical mounting. Temperature derating Operating range −20 to +70°C, subject to derating. This model permits 100% load through +60°C, then decreases linearly to 60% load at +70°C. Input-voltage derating At 60 Hz AC, the curve shows 80% load at 85 VAC and 100% at 100 VAC; the full-load plateau continues to 264 VAC. Apply this with the temperature derating limit. Working humidity 20–90% RH, non-condensing. Storage temperature / humidity −40 to +85°C; 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. Vibration Component: 10–500 Hz, 2G, 10 min/cycle, 60 min on each X, Y and Z axis. Mounting: compliance with IEC60068-2-6. For this fanless design, the catalogue specifies an additional ambient-temperature derating of 3.5°C per 1000 m above 2000 m. This footnote does not state a maximum approved installation altitude. Safety, Isolation and EMC Listed safety standards UL508, UL62368-1, TUV BS EN/EN62368-1, EAC TP TC004, BSMI CNS14336-1 and AS/NZS60950.1. Hazardous-location classification Class I, Division 2, Groups A, B, C and D, temperature code T4, as listed in the manufacturer’s specification. Follow the applicable product marking and installation requirements. BIS approval scope The 48 V model is excluded from the catalogue’s BIS IS13252 / IEC60950-1 approval listing. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Isolation resistance Greater than 100 MΩ for input–output, input–FG and output–FG, tested at 500 VDC, 25°C and 70% RH. EMC emission BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B, BS EN/EN61000-3-2 and -3, EAC TP TC020, and CNS13438 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035, BS EN/EN61000-6-2, BS EN/EN61204-3, heavy-industry level; EAC TP TC020. This supply is a component for installation in final equipment. The completed equipment must be checked again for applicable EMC compliance. Dimensions, Terminals and Installation Body size 40 × 90 × 100 mm (W × H × D); case 962A; drawing tolerance ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; the rail drawing marks a 35 mm width. Upper terminals, front view From left to right: +V, +V, −V, −V, followed by the two DC OK relay-contact terminals. Adjacent terminal centres are shown 5 mm apart. Lower terminals, front view From left to right: FG (protective earth), AC/N and AC/L. Adjacent terminal centres are shown 7.5 mm apart. Wiring and fastening Connect FG to protective earth and follow the actual terminal markings. Use the supplied unit’s installation instructions for wire size and terminal torque; these catalogue pages do not specify those numerical limits. Refer to PDF page 6 for the mounting latch, terminal layout and clearances. A compatible DIN rail is an installation item, not a statement that a rail is supplied. These MDR-40 pages do not give a separately orderable MEAN WELL bracket, cover, connector or cable accessory model. Weight and Manufacturer Information Single-unit catalogue packing reference 300 g per unit, from the PACKING entry on PDF page 5: 0.3 kg; 42 pcs / 13.6 kg / 0.82 CUFT. This is a catalogue packing reference, not a measured net or shipping weight. MTBF reference 2418.5 K hours minimum, Telcordia SR-332 (Bellcore); 301.7 K hours minimum, MIL-HDBK-217F at 25°C. These calculated reliability references are not a guaranteed operating life. Production test The manufacturer lists a 100% full-load burn-in test. Warranty statement The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-40-24 is a single-output industrial DIN rail power supply rated at 24 V DC, 1.7 A and 40.8 W. It accepts 85–264 VAC or 120–370 VDC, uses free-air convection cooling and provides adjustable output, an LED indicator and a DC OK relay contact in a 40 mm-wide enclosure. Product Datasheet Download MEAN WELL MDR-40 Datasheet (PDF) The MDR-40 section is on PDF pages 5, 6. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model / catalogue MDR-40-24; MDR-40 catalogue revision 2024-10-30. The final code denotes the nominal 24 V output. Rated DC output 24 V / 1.7 A / 40.8 W; current range 0–1.7 A. Output adjustment 24–30 V using +V ADJ. Observe the rated output-current and power limits when adjusting voltage. Ripple and noise 150 mVp-p maximum; measured at 20 MHz bandwidth with a 12-inch twisted pair terminated by parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±1%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1% / ±1%, respectively. Typical efficiency 88% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the model-specific 40.8 W rating together with its input-voltage and ambient-temperature limits; the series name is not a uniform power rating for every output voltage. Input and Timing AC / DC input 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 1.1 A at 115 VAC; 0.7 A at 230 VAC. Typical cold-start inrush 30 A at 115 VAC; 60 A at 230 VAC. Leakage current Less than 1 mA at 240 VAC. Setup / rise time 500 / 30 ms at both 230 VAC and 115 VAC, at full load. Typical hold-up time 50 ms at 230 VAC; 20 ms at 115 VAC, at full load. No-load power consumption Less than 0.75 W. Setup time is measured at the first cold start; repeated power ON/OFF switching may increase it. Unless otherwise stated, specifications use 230 VAC input, rated load and 25°C ambient. Protection and DC OK Relay Short circuit / overload 105–150% of rated output power; constant-current limiting, with automatic recovery after the fault is removed. Overvoltage 31.2–36 V; output shutdown, with re-powering required for recovery. DC OK contact states Closed: PSU turns on / DC OK. Open: PSU turns off / DC Fail. Relay contact maximum 30 V / 1 A with a resistive load. Use the two terminals marked DC OK as the relay contact pair. Front indication / control DC OK LED indication and +V ADJ output-voltage adjustment are shown on the front drawing. Switching frequency 60 kHz, as labelled in the block diagram. The DC OK connection is a relay contact for monitoring; the contact rating is not an auxiliary power-output rating. Overload thresholds describe protective operation, not permission to exceed the continuous output rating. Cooling and Operating Limits Cooling / orientation Free-air convection; the published ambient-temperature curve is for vertical mounting. Temperature derating Operating range −20 to +70°C, subject to derating. This model permits 100% load through +60°C, then decreases linearly to 60% load at +70°C. Input-voltage derating At 60 Hz AC, the curve shows 80% load at 85 VAC and 100% at 100 VAC; the full-load plateau continues to 264 VAC. Apply this with the temperature derating limit. Working humidity 20–90% RH, non-condensing. Storage temperature / humidity −40 to +85°C; 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. Vibration Component: 10–500 Hz, 2G, 10 min/cycle, 60 min on each X, Y and Z axis. Mounting: compliance with IEC60068-2-6. For this fanless design, the catalogue specifies an additional ambient-temperature derating of 3.5°C per 1000 m above 2000 m. This footnote does not state a maximum approved installation altitude. Safety, Isolation and EMC Listed safety standards UL508, UL62368-1, TUV BS EN/EN62368-1, EAC TP TC004, BSMI CNS14336-1 and AS/NZS60950.1. Hazardous-location classification Class I, Division 2, Groups A, B, C and D, temperature code T4, as listed in the manufacturer’s specification. Follow the applicable product marking and installation requirements. BIS approval scope The catalogue lists IS13252 (Part 1) / IEC60950-1 approval for this model; the family’s 48 V version is excluded. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Isolation resistance Greater than 100 MΩ for input–output, input–FG and output–FG, tested at 500 VDC, 25°C and 70% RH. EMC emission BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B, BS EN/EN61000-3-2 and -3, EAC TP TC020, and CNS13438 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035, BS EN/EN61000-6-2, BS EN/EN61204-3, heavy-industry level; EAC TP TC020. This supply is a component for installation in final equipment. The completed equipment must be checked again for applicable EMC compliance. Dimensions, Terminals and Installation Body size 40 × 90 × 100 mm (W × H × D); case 962A; drawing tolerance ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; the rail drawing marks a 35 mm width. Upper terminals, front view From left to right: +V, +V, −V, −V, followed by the two DC OK relay-contact terminals. Adjacent terminal centres are shown 5 mm apart. Lower terminals, front view From left to right: FG (protective earth), AC/N and AC/L. Adjacent terminal centres are shown 7.5 mm apart. Wiring and fastening Connect FG to protective earth and follow the actual terminal markings. Use the supplied unit’s installation instructions for wire size and terminal torque; these catalogue pages do not specify those numerical limits. Refer to PDF page 6 for the mounting latch, terminal layout and clearances. A compatible DIN rail is an installation item, not a statement that a rail is supplied. These MDR-40 pages do not give a separately orderable MEAN WELL bracket, cover, connector or cable accessory model. Weight and Manufacturer Information Single-unit catalogue packing reference 300 g per unit, from the PACKING entry on PDF page 5: 0.3 kg; 42 pcs / 13.6 kg / 0.82 CUFT. This is a catalogue packing reference, not a measured net or shipping weight. MTBF reference 2418.5 K hours minimum, Telcordia SR-332 (Bellcore); 301.7 K hours minimum, MIL-HDBK-217F at 25°C. These calculated reliability references are not a guaranteed operating life. Production test The manufacturer lists a 100% full-load burn-in test. Warranty statement The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-40-12 is a single-output industrial DIN rail power supply rated at 12 V DC, 3.33 A and 40 W. It accepts 85–264 VAC or 120–370 VDC, uses free-air convection cooling and provides adjustable output, an LED indicator and a DC OK relay contact in a 40 mm-wide enclosure. Product Datasheet Download MEAN WELL MDR-40 Datasheet (PDF) The MDR-40 section is on PDF pages 5, 6. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model / catalogue MDR-40-12; MDR-40 catalogue revision 2024-10-30. The final code denotes the nominal 12 V output. Rated DC output 12 V / 3.33 A / 40 W; current range 0–3.33 A. Output adjustment 12–15 V using +V ADJ. Observe the rated output-current and power limits when adjusting voltage. Ripple and noise 120 mVp-p maximum; measured at 20 MHz bandwidth with a 12-inch twisted pair terminated by parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±1%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1% / ±1%, respectively. Typical efficiency 85% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the model-specific 40 W rating together with its input-voltage and ambient-temperature limits; the series name is not a uniform power rating for every output voltage. Input and Timing AC / DC input 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 1.1 A at 115 VAC; 0.7 A at 230 VAC. Typical cold-start inrush 30 A at 115 VAC; 60 A at 230 VAC. Leakage current Less than 1 mA at 240 VAC. Setup / rise time 500 / 30 ms at both 230 VAC and 115 VAC, at full load. Typical hold-up time 50 ms at 230 VAC; 20 ms at 115 VAC, at full load. No-load power consumption Less than 0.75 W. Setup time is measured at the first cold start; repeated power ON/OFF switching may increase it. Unless otherwise stated, specifications use 230 VAC input, rated load and 25°C ambient. Protection and DC OK Relay Short circuit / overload 105–150% of rated output power; constant-current limiting, with automatic recovery after the fault is removed. Overvoltage 15.6–18 V; output shutdown, with re-powering required for recovery. DC OK contact states Closed: PSU turns on / DC OK. Open: PSU turns off / DC Fail. Relay contact maximum 30 V / 1 A with a resistive load. Use the two terminals marked DC OK as the relay contact pair. Front indication / control DC OK LED indication and +V ADJ output-voltage adjustment are shown on the front drawing. Switching frequency 60 kHz, as labelled in the block diagram. The DC OK connection is a relay contact for monitoring; the contact rating is not an auxiliary power-output rating. Overload thresholds describe protective operation, not permission to exceed the continuous output rating. Cooling and Operating Limits Cooling / orientation Free-air convection; the published ambient-temperature curve is for vertical mounting. Temperature derating Operating range −20 to +70°C, subject to derating. This model permits 100% load through +60°C, then decreases linearly to 60% load at +70°C. Input-voltage derating At 60 Hz AC, the curve shows 80% load at 85 VAC and 100% at 100 VAC; the full-load plateau continues to 264 VAC. Apply this with the temperature derating limit. Working humidity 20–90% RH, non-condensing. Storage temperature / humidity −40 to +85°C; 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. Vibration Component: 10–500 Hz, 2G, 10 min/cycle, 60 min on each X, Y and Z axis. Mounting: compliance with IEC60068-2-6. For this fanless design, the catalogue specifies an additional ambient-temperature derating of 3.5°C per 1000 m above 2000 m. This footnote does not state a maximum approved installation altitude. Safety, Isolation and EMC Listed safety standards UL508, UL62368-1, TUV BS EN/EN62368-1, EAC TP TC004, BSMI CNS14336-1 and AS/NZS60950.1. Hazardous-location classification Class I, Division 2, Groups A, B, C and D, temperature code T4, as listed in the manufacturer’s specification. Follow the applicable product marking and installation requirements. BIS approval scope The catalogue lists IS13252 (Part 1) / IEC60950-1 approval for this model; the family’s 48 V version is excluded. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Isolation resistance Greater than 100 MΩ for input–output, input–FG and output–FG, tested at 500 VDC, 25°C and 70% RH. EMC emission BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B, BS EN/EN61000-3-2 and -3, EAC TP TC020, and CNS13438 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035, BS EN/EN61000-6-2, BS EN/EN61204-3, heavy-industry level; EAC TP TC020. This supply is a component for installation in final equipment. The completed equipment must be checked again for applicable EMC compliance. Dimensions, Terminals and Installation Body size 40 × 90 × 100 mm (W × H × D); case 962A; drawing tolerance ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; the rail drawing marks a 35 mm width. Upper terminals, front view From left to right: +V, +V, −V, −V, followed by the two DC OK relay-contact terminals. Adjacent terminal centres are shown 5 mm apart. Lower terminals, front view From left to right: FG (protective earth), AC/N and AC/L. Adjacent terminal centres are shown 7.5 mm apart. Wiring and fastening Connect FG to protective earth and follow the actual terminal markings. Use the supplied unit’s installation instructions for wire size and terminal torque; these catalogue pages do not specify those numerical limits. Refer to PDF page 6 for the mounting latch, terminal layout and clearances. A compatible DIN rail is an installation item, not a statement that a rail is supplied. These MDR-40 pages do not give a separately orderable MEAN WELL bracket, cover, connector or cable accessory model. Weight and Manufacturer Information Single-unit catalogue packing reference 300 g per unit, from the PACKING entry on PDF page 5: 0.3 kg; 42 pcs / 13.6 kg / 0.82 CUFT. This is a catalogue packing reference, not a measured net or shipping weight. MTBF reference 2418.5 K hours minimum, Telcordia SR-332 (Bellcore); 301.7 K hours minimum, MIL-HDBK-217F at 25°C. These calculated reliability references are not a guaranteed operating life. Production test The manufacturer lists a 100% full-load burn-in test. Warranty statement The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-40-5 is a single-output industrial DIN rail power supply rated at 5 V DC, 6 A and 30 W. It accepts 85–264 VAC or 120–370 VDC, uses free-air convection cooling and provides adjustable output, an LED indicator and a DC OK relay contact in a 40 mm-wide enclosure. Product Datasheet Download MEAN WELL MDR-40 Datasheet (PDF) The MDR-40 section is on PDF pages 5, 6. Refer to the complete mechanical drawings and notes when planning installation. Model and Output Complete model / catalogue MDR-40-5; MDR-40 catalogue revision 2024-10-30. The final code denotes the nominal 5 V output. Rated DC output 5 V / 6 A / 30 W; current range 0–6 A. Output adjustment 5–6 V using +V ADJ. Observe the rated output-current and power limits when adjusting voltage. Ripple and noise 80 mVp-p maximum; measured at 20 MHz bandwidth with a 12-inch twisted pair terminated by parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±2%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1% / ±1%, respectively. Typical efficiency 78% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the model-specific 30 W rating together with its input-voltage and ambient-temperature limits; the series name is not a uniform power rating for every output voltage. Input and Timing AC / DC input 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 1.1 A at 115 VAC; 0.7 A at 230 VAC. Typical cold-start inrush 30 A at 115 VAC; 60 A at 230 VAC. Leakage current Less than 1 mA at 240 VAC. Setup / rise time 500 / 30 ms at both 230 VAC and 115 VAC, at full load. Typical hold-up time 50 ms at 230 VAC; 20 ms at 115 VAC, at full load. No-load power consumption Less than 0.75 W. Setup time is measured at the first cold start; repeated power ON/OFF switching may increase it. Unless otherwise stated, specifications use 230 VAC input, rated load and 25°C ambient. Protection and DC OK Relay Short circuit / overload 105–150% of rated output power; constant-current limiting, with automatic recovery after the fault is removed. Overvoltage 6.25–7.25 V; output shutdown, with re-powering required for recovery. DC OK contact states Closed: PSU turns on / DC OK. Open: PSU turns off / DC Fail. Relay contact maximum 30 V / 1 A with a resistive load. Use the two terminals marked DC OK as the relay contact pair. Front indication / control DC OK LED indication and +V ADJ output-voltage adjustment are shown on the front drawing. Switching frequency 60 kHz, as labelled in the block diagram. The DC OK connection is a relay contact for monitoring; the contact rating is not an auxiliary power-output rating. Overload thresholds describe protective operation, not permission to exceed the continuous output rating. Cooling and Operating Limits Cooling / orientation Free-air convection; the published ambient-temperature curve is for vertical mounting. Temperature derating Operating range −20 to +70°C, subject to derating. This model permits 100% load through +60°C, then decreases linearly to 60% load at +70°C. Input-voltage derating At 60 Hz AC, the curve shows 80% load at 85 VAC and 100% at 100 VAC; the full-load plateau continues to 264 VAC. Apply this with the temperature derating limit. Working humidity 20–90% RH, non-condensing. Storage temperature / humidity −40 to +85°C; 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. Vibration Component: 10–500 Hz, 2G, 10 min/cycle, 60 min on each X, Y and Z axis. Mounting: compliance with IEC60068-2-6. For this fanless design, the catalogue specifies an additional ambient-temperature derating of 3.5°C per 1000 m above 2000 m. This footnote does not state a maximum approved installation altitude. Safety, Isolation and EMC Listed safety standards UL508, UL62368-1, TUV BS EN/EN62368-1, EAC TP TC004, BSMI CNS14336-1 and AS/NZS60950.1. Hazardous-location classification Class I, Division 2, Groups A, B, C and D, temperature code T4, as listed in the manufacturer’s specification. Follow the applicable product marking and installation requirements. BIS approval scope The catalogue lists IS13252 (Part 1) / IEC60950-1 approval for this model; the family’s 48 V version is excluded. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Isolation resistance Greater than 100 MΩ for input–output, input–FG and output–FG, tested at 500 VDC, 25°C and 70% RH. EMC emission BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B, BS EN/EN61000-3-2 and -3, EAC TP TC020, and CNS13438 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035, BS EN/EN61000-6-2, BS EN/EN61204-3, heavy-industry level; EAC TP TC020. This supply is a component for installation in final equipment. The completed equipment must be checked again for applicable EMC compliance. Dimensions, Terminals and Installation Body size 40 × 90 × 100 mm (W × H × D); case 962A; drawing tolerance ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; the rail drawing marks a 35 mm width. Upper terminals, front view From left to right: +V, +V, −V, −V, followed by the two DC OK relay-contact terminals. Adjacent terminal centres are shown 5 mm apart. Lower terminals, front view From left to right: FG (protective earth), AC/N and AC/L. Adjacent terminal centres are shown 7.5 mm apart. Wiring and fastening Connect FG to protective earth and follow the actual terminal markings. Use the supplied unit’s installation instructions for wire size and terminal torque; these catalogue pages do not specify those numerical limits. Refer to PDF page 6 for the mounting latch, terminal layout and clearances. A compatible DIN rail is an installation item, not a statement that a rail is supplied. These MDR-40 pages do not give a separately orderable MEAN WELL bracket, cover, connector or cable accessory model. Weight and Manufacturer Information Single-unit catalogue packing reference 300 g per unit, from the PACKING entry on PDF page 5: 0.3 kg; 42 pcs / 13.6 kg / 0.82 CUFT. This is a catalogue packing reference, not a measured net or shipping weight. MTBF reference 2418.5 K hours minimum, Telcordia SR-332 (Bellcore); 301.7 K hours minimum, MIL-HDBK-217F at 25°C. These calculated reliability references are not a guaranteed operating life. Production test The manufacturer lists a 100% full-load burn-in test. Warranty statement The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-20-15 is a single-output industrial DIN rail power supply rated at 15 V DC, 1.34 A and 20 W. The 22.5 mm-wide Class I unit uses free-air convection and mounts on TS-35/7.5 or TS-35/15 rail. It provides an active DC OK signal and an LED indicator. The +V ADJ control allows output-voltage adjustment within the specified range. Product Datasheet Download MEAN WELL MDR-20 Datasheet (PDF) The MDR-20 section is on PDF pages 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and DC Output Complete model MDR-20-15; MDR-20 catalogue revision 2024-10-30. The final code identifies the nominal 15 V DC output. Rated output 15 V DC / 1.34 A / 20 W; output-current range 0–1.34 A. Voltage adjustment 13.5–16.5 V, using +V ADJ. Keep output current and power within the model ratings. Ripple and noise 120 mVp-p maximum. Measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±1%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1.0% / ±1%, respectively. Typical efficiency 81% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the published 20 W rating for this complete model. The family number and small differences in rounded voltage × current values do not replace the catalogue power rating. Apply input and temperature derating together. Input, Timing and Consumption Input range 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 0.55 A at 115 VAC; 0.35 A at 230 VAC. Typical cold-start inrush 20 A at 115 VAC; 40 A at 230 VAC. Setup / rise at full load 500 / 30 ms at 230 VAC; 1000 / 30 ms at 115 VAC. Typical hold-up at full load 50 ms at 230 VAC; 20 ms at 115 VAC. No-load consumption Less than 0.75 W. Leakage current Less than 1 mA at 240 VAC. Switching-frequency reference 60 kHz in the block diagram. Unless otherwise stated, parameters are measured at 230 VAC input, rated load and 25°C ambient. Setup time is measured at the first cold start; repeated switching on and off may increase setup time. Protection Short circuit / overload 105–160% of rated output power: constant-current limiting, with automatic recovery after the fault is removed. Overvoltage threshold 17.25–20.25 V. Overvoltage response Output voltage shuts down; re-power the unit to recover. Protection thresholds are fault-response values, not additional continuous or peak output ratings. DC OK Active Signal and External Circuits Signal output The DC OK active-signal entry is 11.5–16.5 V / 40 mA maximum, referenced to V−. This is a powered signal output, not a built-in dry relay contact. 5 V signal example The catalogue shows a series resistor R of at least 2000 Ω from DC OK to a signal node, with a 5.1 V zener diode between that node and V−. External LED example Connect the LED and series resistor R between DC OK and V− as drawn. R must be at least 3000 Ω for this output-voltage model. External relay example The drawing connects relay coil RL between DC OK and V−. Coil resistance must be at least 700 Ω for this model; respect the active-output current limit. The three circuits are application examples on PDF page 4. Their external resistor, zener diode, LED and relay are not identified as supplied accessories, and no complete orderable component codes are given. Select compatible external components using the shown circuit and signal limits. Cooling, Derating and Environment Cooling / mounting Free-air convection; the temperature curve applies to vertical mounting. Ambient-temperature curve Working range −20 to +70°C, subject to derating. For this model, the curve shows 100% load from −20 to +50°C, decreasing linearly to 50% load at +70°C. Input-voltage curve At 60 Hz AC, 80% load is shown at 85 VAC, rising to 100% at 100 VAC. The 100% plateau continues through 264 VAC. Apply the lower permissible load when temperature and input limits overlap. Humidity / storage Working: 20–90% RH, non-condensing. Storage: −40 to +85°C, 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. High-altitude derating For this fanless supply, reduce the allowed ambient temperature by 3.5°C per 1000 m of altitude above 2000 m, as specified in the catalogue footnote. Vibration Component: 10–500 Hz, 2G, 10 min/cycle and 60 min on each X, Y and Z axis. Mounting compliance: IEC60068-2-6. Isolation, Safety and EMC Protective earth Class I installation: connect the FG protective-earth terminal as shown in the mechanical drawing. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Insulation resistance 100 MΩ for input–output, input–FG and output–FG, measured at 500 VDC, 25°C and 70% RH. Listed safety approvals UL508; TUV BS EN/EN62368-1; EAC TP TC004; BSMI CNS15598-1; AS/NZS62368.1; IS13252 (Part 1)/IEC60950-1. EMC emissions BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; BS EN/EN61000-6-1; BS EN/EN61204-3; light-industry level; EAC TP TC020. This supply is a component for installation in final equipment. Reconfirm EMC compliance in that completed equipment; the component ratings and tests do not constitute certification of the entire installation. Installation, Terminals and Weight Body dimensions 22.5 × 90 × 100 mm (W × H × D); case 956. General mechanical-drawing tolerance: ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; 35 mm rail width shown in the drawing. Upper terminals, front view From left to right: +V, −V and DC OK; the drawing marks a 5 mm terminal pitch. Lower terminals, front view From left to right: FG protective earth, N and L. Follow the marked terminals on the supplied unit. Front indication / control DC OK LED and +V ADJ output-voltage adjustment. Single-unit packing reference 170 g per unit. Full PACKING entry: 0.17 kg; 72 pcs / 13.2 kg / 1.04 CUFT. The carton gross mass is separate from the unit reference weight. Use the mechanical drawing on PDF page 4 for connection and DIN-latch geometry. Follow the supplied unit’s markings and installation instructions for wiring and tightening. Rail compatibility does not imply that a rail is included; these pages give no separately orderable MEAN WELL rail, bracket, cover or connector accessory code. Reliability and Manufacturer Information MTBF reference 2780.8 K hours minimum under Telcordia SR-332 (Bellcore); 236.9 K hours minimum under MIL-HDBK-217F at 25°C. MTBF is a reliability calculation, not a guaranteed service life. Factory test The catalogue states 100% full-load burn-in testing. Warranty The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-20-12 is a single-output industrial DIN rail power supply rated at 12 V DC, 1.67 A and 20 W. The 22.5 mm-wide Class I unit uses free-air convection and mounts on TS-35/7.5 or TS-35/15 rail. It provides an active DC OK signal and an LED indicator. The +V ADJ control allows output-voltage adjustment within the specified range. Product Datasheet Download MEAN WELL MDR-20 Datasheet (PDF) The MDR-20 section is on PDF pages 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and DC Output Complete model MDR-20-12; MDR-20 catalogue revision 2024-10-30. The final code identifies the nominal 12 V DC output. Rated output 12 V DC / 1.67 A / 20 W; output-current range 0–1.67 A. Voltage adjustment 10.8–13.2 V, using +V ADJ. Keep output current and power within the model ratings. Ripple and noise 120 mVp-p maximum. Measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±1%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1.0% / ±1%, respectively. Typical efficiency 80% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the published 20 W rating for this complete model. The family number and small differences in rounded voltage × current values do not replace the catalogue power rating. Apply input and temperature derating together. Input, Timing and Consumption Input range 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 0.55 A at 115 VAC; 0.35 A at 230 VAC. Typical cold-start inrush 20 A at 115 VAC; 40 A at 230 VAC. Setup / rise at full load 500 / 30 ms at 230 VAC; 1000 / 30 ms at 115 VAC. Typical hold-up at full load 50 ms at 230 VAC; 20 ms at 115 VAC. No-load consumption Less than 0.75 W. Leakage current Less than 1 mA at 240 VAC. Switching-frequency reference 60 kHz in the block diagram. Unless otherwise stated, parameters are measured at 230 VAC input, rated load and 25°C ambient. Setup time is measured at the first cold start; repeated switching on and off may increase setup time. Protection Short circuit / overload 105–160% of rated output power: constant-current limiting, with automatic recovery after the fault is removed. Overvoltage threshold 13.8–16.2 V. Overvoltage response Output voltage shuts down; re-power the unit to recover. Protection thresholds are fault-response values, not additional continuous or peak output ratings. DC OK Active Signal and External Circuits Signal output The DC OK active-signal entry is 9–13.5 V / 40 mA maximum, referenced to V−. This is a powered signal output, not a built-in dry relay contact. 5 V signal example The catalogue shows a series resistor R of at least 1500 Ω from DC OK to a signal node, with a 5.1 V zener diode between that node and V−. External LED example Connect the LED and series resistor R between DC OK and V− as drawn. R must be at least 2400 Ω for this output-voltage model. External relay example The drawing connects relay coil RL between DC OK and V−. Coil resistance must be at least 700 Ω for this model; respect the active-output current limit. The three circuits are application examples on PDF page 4. Their external resistor, zener diode, LED and relay are not identified as supplied accessories, and no complete orderable component codes are given. Select compatible external components using the shown circuit and signal limits. Cooling, Derating and Environment Cooling / mounting Free-air convection; the temperature curve applies to vertical mounting. Ambient-temperature curve Working range −20 to +70°C, subject to derating. For this model, the curve shows 100% load from −20 to +50°C, decreasing linearly to 50% load at +70°C. Input-voltage curve At 60 Hz AC, 80% load is shown at 85 VAC, rising to 100% at 100 VAC. The 100% plateau continues through 264 VAC. Apply the lower permissible load when temperature and input limits overlap. Humidity / storage Working: 20–90% RH, non-condensing. Storage: −40 to +85°C, 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. High-altitude derating For this fanless supply, reduce the allowed ambient temperature by 3.5°C per 1000 m of altitude above 2000 m, as specified in the catalogue footnote. Vibration Component: 10–500 Hz, 2G, 10 min/cycle and 60 min on each X, Y and Z axis. Mounting compliance: IEC60068-2-6. Isolation, Safety and EMC Protective earth Class I installation: connect the FG protective-earth terminal as shown in the mechanical drawing. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Insulation resistance 100 MΩ for input–output, input–FG and output–FG, measured at 500 VDC, 25°C and 70% RH. Listed safety approvals UL508; TUV BS EN/EN62368-1; EAC TP TC004; BSMI CNS15598-1; AS/NZS62368.1; IS13252 (Part 1)/IEC60950-1. EMC emissions BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; BS EN/EN61000-6-1; BS EN/EN61204-3; light-industry level; EAC TP TC020. This supply is a component for installation in final equipment. Reconfirm EMC compliance in that completed equipment; the component ratings and tests do not constitute certification of the entire installation. Installation, Terminals and Weight Body dimensions 22.5 × 90 × 100 mm (W × H × D); case 956. General mechanical-drawing tolerance: ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; 35 mm rail width shown in the drawing. Upper terminals, front view From left to right: +V, −V and DC OK; the drawing marks a 5 mm terminal pitch. Lower terminals, front view From left to right: FG protective earth, N and L. Follow the marked terminals on the supplied unit. Front indication / control DC OK LED and +V ADJ output-voltage adjustment. Single-unit packing reference 170 g per unit. Full PACKING entry: 0.17 kg; 72 pcs / 13.2 kg / 1.04 CUFT. The carton gross mass is separate from the unit reference weight. Use the mechanical drawing on PDF page 4 for connection and DIN-latch geometry. Follow the supplied unit’s markings and installation instructions for wiring and tightening. Rail compatibility does not imply that a rail is included; these pages give no separately orderable MEAN WELL rail, bracket, cover or connector accessory code. Reliability and Manufacturer Information MTBF reference 2780.8 K hours minimum under Telcordia SR-332 (Bellcore); 236.9 K hours minimum under MIL-HDBK-217F at 25°C. MTBF is a reliability calculation, not a guaranteed service life. Factory test The catalogue states 100% full-load burn-in testing. Warranty The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-20-5 is a single-output industrial DIN rail power supply rated at 5 V DC, 3 A and 15 W. The 22.5 mm-wide Class I unit uses free-air convection and mounts on TS-35/7.5 or TS-35/15 rail. It provides an active DC OK signal and an LED indicator. The +V ADJ control allows output-voltage adjustment within the specified range. Product Datasheet Download MEAN WELL MDR-20 Datasheet (PDF) The MDR-20 section is on PDF pages 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and DC Output Complete model MDR-20-5; MDR-20 catalogue revision 2024-10-30. The final code identifies the nominal 5 V DC output. Rated output 5 V DC / 3 A / 15 W; output-current range 0–3 A. Voltage adjustment 4.75–5.5 V, using +V ADJ. Keep output current and power within the model ratings. Ripple and noise 80 mVp-p maximum. Measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±2%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1.0% / ±1%, respectively. Typical efficiency 76% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the published 15 W rating for this complete model. The family number and small differences in rounded voltage × current values do not replace the catalogue power rating. Apply input and temperature derating together. Input, Timing and Consumption Input range 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 0.55 A at 115 VAC; 0.35 A at 230 VAC. Typical cold-start inrush 20 A at 115 VAC; 40 A at 230 VAC. Setup / rise at full load 500 / 30 ms at 230 VAC; 1000 / 30 ms at 115 VAC. Typical hold-up at full load 50 ms at 230 VAC; 20 ms at 115 VAC. No-load consumption Less than 0.75 W. Leakage current Less than 1 mA at 240 VAC. Switching-frequency reference 60 kHz in the block diagram. Unless otherwise stated, parameters are measured at 230 VAC input, rated load and 25°C ambient. Setup time is measured at the first cold start; repeated switching on and off may increase setup time. Protection Short circuit / overload 105–160% of rated output power: constant-current limiting, with automatic recovery after the fault is removed. Overvoltage threshold 5.75–6.75 V. Overvoltage response Output voltage shuts down; re-power the unit to recover. Protection thresholds are fault-response values, not additional continuous or peak output ratings. DC OK Active Signal and External Circuits Signal output The DC OK active-signal entry is 3.75–6 V / 50 mA maximum, referenced to V−. This is a powered signal output, not a built-in dry relay contact. 5 V signal example The catalogue shows a series resistor R of at least 200 Ω from DC OK to a signal node, with a 5.1 V zener diode between that node and V−. External LED example Connect the LED and series resistor R between DC OK and V− as drawn. R must be at least 1000 Ω for this output-voltage model. External relay example The drawing connects relay coil RL between DC OK and V−. Coil resistance must be at least 120 Ω for this model; respect the active-output current limit. The three circuits are application examples on PDF page 4. Their external resistor, zener diode, LED and relay are not identified as supplied accessories, and no complete orderable component codes are given. Select compatible external components using the shown circuit and signal limits. Cooling, Derating and Environment Cooling / mounting Free-air convection; the temperature curve applies to vertical mounting. Ambient-temperature curve Working range −20 to +70°C, subject to derating. For this model, the curve shows 100% load from −20 to +50°C, decreasing linearly to 50% load at +70°C. Input-voltage curve At 60 Hz AC, 80% load is shown at 85 VAC, rising to 100% at 100 VAC. The 100% plateau continues through 264 VAC. Apply the lower permissible load when temperature and input limits overlap. Humidity / storage Working: 20–90% RH, non-condensing. Storage: −40 to +85°C, 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. High-altitude derating For this fanless supply, reduce the allowed ambient temperature by 3.5°C per 1000 m of altitude above 2000 m, as specified in the catalogue footnote. Vibration Component: 10–500 Hz, 2G, 10 min/cycle and 60 min on each X, Y and Z axis. Mounting compliance: IEC60068-2-6. Isolation, Safety and EMC Protective earth Class I installation: connect the FG protective-earth terminal as shown in the mechanical drawing. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Insulation resistance 100 MΩ for input–output, input–FG and output–FG, measured at 500 VDC, 25°C and 70% RH. Listed safety approvals UL508; TUV BS EN/EN62368-1; EAC TP TC004; BSMI CNS15598-1; AS/NZS62368.1; IS13252 (Part 1)/IEC60950-1. EMC emissions BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; BS EN/EN61000-6-1; BS EN/EN61204-3; light-industry level; EAC TP TC020. This supply is a component for installation in final equipment. Reconfirm EMC compliance in that completed equipment; the component ratings and tests do not constitute certification of the entire installation. Installation, Terminals and Weight Body dimensions 22.5 × 90 × 100 mm (W × H × D); case 956. General mechanical-drawing tolerance: ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; 35 mm rail width shown in the drawing. Upper terminals, front view From left to right: +V, −V and DC OK; the drawing marks a 5 mm terminal pitch. Lower terminals, front view From left to right: FG protective earth, N and L. Follow the marked terminals on the supplied unit. Front indication / control DC OK LED and +V ADJ output-voltage adjustment. Single-unit packing reference 170 g per unit. Full PACKING entry: 0.17 kg; 72 pcs / 13.2 kg / 1.04 CUFT. The carton gross mass is separate from the unit reference weight. Use the mechanical drawing on PDF page 4 for connection and DIN-latch geometry. Follow the supplied unit’s markings and installation instructions for wiring and tightening. Rail compatibility does not imply that a rail is included; these pages give no separately orderable MEAN WELL rail, bracket, cover or connector accessory code. Reliability and Manufacturer Information MTBF reference 2780.8 K hours minimum under Telcordia SR-332 (Bellcore); 236.9 K hours minimum under MIL-HDBK-217F at 25°C. MTBF is a reliability calculation, not a guaranteed service life. Factory test The catalogue states 100% full-load burn-in testing. Warranty The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-10-24 is a single-output industrial DIN rail power supply rated at 24 V DC, 0.42 A and 10 W. The 22.5 mm-wide Class I unit uses free-air convection and mounts on TS-35/7.5 or TS-35/15 rail. It provides an active DC OK signal and an LED indicator. The output has no specified user voltage-adjustment range. Product Datasheet Download MEAN WELL MDR-10 Datasheet (PDF) The MDR-10 section is on PDF pages 1, 2. Refer to the complete mechanical drawings and notes when planning installation. Model and DC Output Complete model MDR-10-24; MDR-10 catalogue revision 2024-08-20. The final code identifies the nominal 24 V DC output. Rated output 24 V DC / 0.42 A / 10 W; output-current range 0–0.42 A. Voltage adjustment No user voltage-adjustment range is specified for MDR-10; the mechanical drawing has no +V ADJ control. Ripple and noise 150 mVp-p maximum. Measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±2%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1.0% / ±2%, respectively. Typical efficiency 84% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the published 10 W rating for this complete model. The family number and small differences in rounded voltage × current values do not replace the catalogue power rating. Apply input and temperature derating together. Input, Timing and Consumption Input range 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 0.33 A at 115 VAC; 0.21 A at 230 VAC. Typical cold-start inrush 35 A at 115 VAC; 70 A at 230 VAC. Setup / rise at full load 500 / 30 ms at 230 VAC; 1000 / 30 ms at 115 VAC. Typical hold-up at full load 120 ms at 230 VAC; 25 ms at 115 VAC. No-load consumption Less than 0.75 W. Leakage current Less than 1 mA at 240 VAC. Switching-frequency reference 60 kHz in the block diagram. Unless otherwise stated, parameters are measured at 230 VAC input, rated load and 25°C ambient. Setup time is measured at the first cold start; repeated switching on and off may increase setup time. Protection Short circuit / overload Above 105% of rated output power: hiccup mode, with automatic recovery after the fault is removed. Overvoltage threshold 27.6–32.4 V. Overvoltage response Output voltage shuts down; re-power the unit to recover. Protection thresholds are fault-response values, not additional continuous or peak output ratings. DC OK Active Signal and External Circuits Signal output The DC OK active-signal entry is 18–27 V / 20 mA maximum, referenced to V−. This is a powered signal output, not a built-in dry relay contact. 5 V signal example The catalogue shows a series resistor R of at least 3900 Ω from DC OK to a signal node, with a 5.1 V zener diode between that node and V−. External LED example Connect the LED and series resistor R between DC OK and V− as drawn. R must be at least 4700 Ω for this output-voltage model. External relay example The drawing connects relay coil RL between DC OK and V−. Coil resistance must be at least 1200 Ω for this model; respect the active-output current limit. The three circuits are application examples on PDF page 2. Their external resistor, zener diode, LED and relay are not identified as supplied accessories, and no complete orderable component codes are given. Select compatible external components using the shown circuit and signal limits. Cooling, Derating and Environment Cooling / mounting Free-air convection; the temperature curve applies to vertical mounting. Ambient-temperature curve Working range −20 to +70°C, subject to derating. For this model, the curve shows 100% load from −20 to +60°C, decreasing linearly to 50% load at +70°C. Input-voltage curve At 60 Hz AC, 80% load is shown at 85 VAC, rising to 100% at 100 VAC. The 100% plateau continues through 264 VAC. Apply the lower permissible load when temperature and input limits overlap. Humidity / storage Working: 20–90% RH, non-condensing. Storage: −40 to +85°C, 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. High-altitude derating For this fanless supply, reduce the allowed ambient temperature by 3.5°C per 1000 m of altitude above 2000 m, as specified in the catalogue footnote. Vibration Component: 10–500 Hz, 2G, 10 min/cycle and 60 min on each X, Y and Z axis. Mounting compliance: IEC60068-2-6. Isolation, Safety and EMC Protective earth Class I installation: connect the FG protective-earth terminal as shown in the mechanical drawing. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Insulation resistance 100 MΩ for input–output, input–FG and output–FG, measured at 500 VDC, 25°C and 70% RH. Listed safety approvals UL508; TUV BS EN/EN62368-1; EAC TP TC004; BSMI CNS15598-1; AS/NZS62368.1; IS13252 (Part 1)/IEC60950-1. EMC emissions BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; BS EN/EN61000-6-1; BS EN/EN61204-3; light-industry level; EAC TP TC020. This supply is a component for installation in final equipment. Reconfirm EMC compliance in that completed equipment; the component ratings and tests do not constitute certification of the entire installation. Installation, Terminals and Weight Body dimensions 22.5 × 90 × 100 mm (W × H × D); case 956. General mechanical-drawing tolerance: ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; 35 mm rail width shown in the drawing. Upper terminals, front view From left to right: +V, −V and DC OK; the drawing marks a 5 mm terminal pitch. Lower terminals, front view From left to right: FG protective earth, N and L. Follow the marked terminals on the supplied unit. Front indication / control DC OK LED; no voltage-adjustment control shown. Single-unit packing reference 150 g per unit. Full PACKING entry: 0.15 kg; 72 pcs / 11.8 kg / 1.04 CUFT. The carton gross mass is separate from the unit reference weight. Use the mechanical drawing on PDF page 2 for connection and DIN-latch geometry. Follow the supplied unit’s markings and installation instructions for wiring and tightening. Rail compatibility does not imply that a rail is included; these pages give no separately orderable MEAN WELL rail, bracket, cover or connector accessory code. Reliability and Manufacturer Information MTBF reference 3334.7 K hours minimum under Telcordia SR-332 (Bellcore); 584.0 K hours minimum under MIL-HDBK-217F at 25°C. MTBF is a reliability calculation, not a guaranteed service life. Factory test The catalogue states 100% full-load burn-in testing. Warranty The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-10-15 is a single-output industrial DIN rail power supply rated at 15 V DC, 0.67 A and 10 W. The 22.5 mm-wide Class I unit uses free-air convection and mounts on TS-35/7.5 or TS-35/15 rail. It provides an active DC OK signal and an LED indicator. The output has no specified user voltage-adjustment range. Product Datasheet Download MEAN WELL MDR-10 Datasheet (PDF) The MDR-10 section is on PDF pages 1, 2. Refer to the complete mechanical drawings and notes when planning installation. Model and DC Output Complete model MDR-10-15; MDR-10 catalogue revision 2024-08-20. The final code identifies the nominal 15 V DC output. Rated output 15 V DC / 0.67 A / 10 W; output-current range 0–0.67 A. Voltage adjustment No user voltage-adjustment range is specified for MDR-10; the mechanical drawing has no +V ADJ control. Ripple and noise 120 mVp-p maximum. Measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±3%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1.0% / ±3%, respectively. Typical efficiency 81% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the published 10 W rating for this complete model. The family number and small differences in rounded voltage × current values do not replace the catalogue power rating. Apply input and temperature derating together. Input, Timing and Consumption Input range 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 0.33 A at 115 VAC; 0.21 A at 230 VAC. Typical cold-start inrush 35 A at 115 VAC; 70 A at 230 VAC. Setup / rise at full load 500 / 30 ms at 230 VAC; 1000 / 30 ms at 115 VAC. Typical hold-up at full load 120 ms at 230 VAC; 25 ms at 115 VAC. No-load consumption Less than 0.75 W. Leakage current Less than 1 mA at 240 VAC. Switching-frequency reference 60 kHz in the block diagram. Unless otherwise stated, parameters are measured at 230 VAC input, rated load and 25°C ambient. Setup time is measured at the first cold start; repeated switching on and off may increase setup time. Protection Short circuit / overload Above 105% of rated output power: hiccup mode, with automatic recovery after the fault is removed. Overvoltage threshold 17.25–20.25 V. Overvoltage response Output voltage shuts down; re-power the unit to recover. Protection thresholds are fault-response values, not additional continuous or peak output ratings. DC OK Active Signal and External Circuits Signal output The DC OK active-signal entry is 11.5–16.5 V / 40 mA maximum, referenced to V−. This is a powered signal output, not a built-in dry relay contact. 5 V signal example The catalogue shows a series resistor R of at least 2000 Ω from DC OK to a signal node, with a 5.1 V zener diode between that node and V−. External LED example Connect the LED and series resistor R between DC OK and V− as drawn. R must be at least 3000 Ω for this output-voltage model. External relay example The drawing connects relay coil RL between DC OK and V−. Coil resistance must be at least 700 Ω for this model; respect the active-output current limit. The three circuits are application examples on PDF page 2. Their external resistor, zener diode, LED and relay are not identified as supplied accessories, and no complete orderable component codes are given. Select compatible external components using the shown circuit and signal limits. Cooling, Derating and Environment Cooling / mounting Free-air convection; the temperature curve applies to vertical mounting. Ambient-temperature curve Working range −20 to +70°C, subject to derating. For this model, the curve shows 100% load from −20 to +60°C, decreasing linearly to 50% load at +70°C. Input-voltage curve At 60 Hz AC, 80% load is shown at 85 VAC, rising to 100% at 100 VAC. The 100% plateau continues through 264 VAC. Apply the lower permissible load when temperature and input limits overlap. Humidity / storage Working: 20–90% RH, non-condensing. Storage: −40 to +85°C, 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. High-altitude derating For this fanless supply, reduce the allowed ambient temperature by 3.5°C per 1000 m of altitude above 2000 m, as specified in the catalogue footnote. Vibration Component: 10–500 Hz, 2G, 10 min/cycle and 60 min on each X, Y and Z axis. Mounting compliance: IEC60068-2-6. Isolation, Safety and EMC Protective earth Class I installation: connect the FG protective-earth terminal as shown in the mechanical drawing. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Insulation resistance 100 MΩ for input–output, input–FG and output–FG, measured at 500 VDC, 25°C and 70% RH. Listed safety approvals UL508; TUV BS EN/EN62368-1; EAC TP TC004; BSMI CNS15598-1; AS/NZS62368.1; IS13252 (Part 1)/IEC60950-1. EMC emissions BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; BS EN/EN61000-6-1; BS EN/EN61204-3; light-industry level; EAC TP TC020. This supply is a component for installation in final equipment. Reconfirm EMC compliance in that completed equipment; the component ratings and tests do not constitute certification of the entire installation. Installation, Terminals and Weight Body dimensions 22.5 × 90 × 100 mm (W × H × D); case 956. General mechanical-drawing tolerance: ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; 35 mm rail width shown in the drawing. Upper terminals, front view From left to right: +V, −V and DC OK; the drawing marks a 5 mm terminal pitch. Lower terminals, front view From left to right: FG protective earth, N and L. Follow the marked terminals on the supplied unit. Front indication / control DC OK LED; no voltage-adjustment control shown. Single-unit packing reference 150 g per unit. Full PACKING entry: 0.15 kg; 72 pcs / 11.8 kg / 1.04 CUFT. The carton gross mass is separate from the unit reference weight. Use the mechanical drawing on PDF page 2 for connection and DIN-latch geometry. Follow the supplied unit’s markings and installation instructions for wiring and tightening. Rail compatibility does not imply that a rail is included; these pages give no separately orderable MEAN WELL rail, bracket, cover or connector accessory code. Reliability and Manufacturer Information MTBF reference 3334.7 K hours minimum under Telcordia SR-332 (Bellcore); 584.0 K hours minimum under MIL-HDBK-217F at 25°C. MTBF is a reliability calculation, not a guaranteed service life. Factory test The catalogue states 100% full-load burn-in testing. Warranty The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-10-12 is a single-output industrial DIN rail power supply rated at 12 V DC, 0.84 A and 10 W. The 22.5 mm-wide Class I unit uses free-air convection and mounts on TS-35/7.5 or TS-35/15 rail. It provides an active DC OK signal and an LED indicator. The output has no specified user voltage-adjustment range. Product Datasheet Download MEAN WELL MDR-10 Datasheet (PDF) The MDR-10 section is on PDF pages 1, 2. Refer to the complete mechanical drawings and notes when planning installation. Model and DC Output Complete model MDR-10-12; MDR-10 catalogue revision 2024-08-20. The final code identifies the nominal 12 V DC output. Rated output 12 V DC / 0.84 A / 10 W; output-current range 0–0.84 A. Voltage adjustment No user voltage-adjustment range is specified for MDR-10; the mechanical drawing has no +V ADJ control. Ripple and noise 120 mVp-p maximum. Measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±3%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1.0% / ±3%, respectively. Typical efficiency 81% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the published 10 W rating for this complete model. The family number and small differences in rounded voltage × current values do not replace the catalogue power rating. Apply input and temperature derating together. Input, Timing and Consumption Input range 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 0.33 A at 115 VAC; 0.21 A at 230 VAC. Typical cold-start inrush 35 A at 115 VAC; 70 A at 230 VAC. Setup / rise at full load 500 / 30 ms at 230 VAC; 1000 / 30 ms at 115 VAC. Typical hold-up at full load 120 ms at 230 VAC; 25 ms at 115 VAC. No-load consumption Less than 0.75 W. Leakage current Less than 1 mA at 240 VAC. Switching-frequency reference 60 kHz in the block diagram. Unless otherwise stated, parameters are measured at 230 VAC input, rated load and 25°C ambient. Setup time is measured at the first cold start; repeated switching on and off may increase setup time. Protection Short circuit / overload Above 105% of rated output power: hiccup mode, with automatic recovery after the fault is removed. Overvoltage threshold 13.8–16.2 V. Overvoltage response Output voltage shuts down; re-power the unit to recover. Protection thresholds are fault-response values, not additional continuous or peak output ratings. DC OK Active Signal and External Circuits Signal output The DC OK active-signal entry is 9–13.5 V / 40 mA maximum, referenced to V−. This is a powered signal output, not a built-in dry relay contact. 5 V signal example The catalogue shows a series resistor R of at least 1500 Ω from DC OK to a signal node, with a 5.1 V zener diode between that node and V−. External LED example Connect the LED and series resistor R between DC OK and V− as drawn. R must be at least 2400 Ω for this output-voltage model. External relay example The drawing connects relay coil RL between DC OK and V−. Coil resistance must be at least 700 Ω for this model; respect the active-output current limit. The three circuits are application examples on PDF page 2. Their external resistor, zener diode, LED and relay are not identified as supplied accessories, and no complete orderable component codes are given. Select compatible external components using the shown circuit and signal limits. Cooling, Derating and Environment Cooling / mounting Free-air convection; the temperature curve applies to vertical mounting. Ambient-temperature curve Working range −20 to +70°C, subject to derating. For this model, the curve shows 100% load from −20 to +60°C, decreasing linearly to 50% load at +70°C. Input-voltage curve At 60 Hz AC, 80% load is shown at 85 VAC, rising to 100% at 100 VAC. The 100% plateau continues through 264 VAC. Apply the lower permissible load when temperature and input limits overlap. Humidity / storage Working: 20–90% RH, non-condensing. Storage: −40 to +85°C, 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. High-altitude derating For this fanless supply, reduce the allowed ambient temperature by 3.5°C per 1000 m of altitude above 2000 m, as specified in the catalogue footnote. Vibration Component: 10–500 Hz, 2G, 10 min/cycle and 60 min on each X, Y and Z axis. Mounting compliance: IEC60068-2-6. Isolation, Safety and EMC Protective earth Class I installation: connect the FG protective-earth terminal as shown in the mechanical drawing. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Insulation resistance 100 MΩ for input–output, input–FG and output–FG, measured at 500 VDC, 25°C and 70% RH. Listed safety approvals UL508; TUV BS EN/EN62368-1; EAC TP TC004; BSMI CNS15598-1; AS/NZS62368.1; IS13252 (Part 1)/IEC60950-1. EMC emissions BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; BS EN/EN61000-6-1; BS EN/EN61204-3; light-industry level; EAC TP TC020. This supply is a component for installation in final equipment. Reconfirm EMC compliance in that completed equipment; the component ratings and tests do not constitute certification of the entire installation. Installation, Terminals and Weight Body dimensions 22.5 × 90 × 100 mm (W × H × D); case 956. General mechanical-drawing tolerance: ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; 35 mm rail width shown in the drawing. Upper terminals, front view From left to right: +V, −V and DC OK; the drawing marks a 5 mm terminal pitch. Lower terminals, front view From left to right: FG protective earth, N and L. Follow the marked terminals on the supplied unit. Front indication / control DC OK LED; no voltage-adjustment control shown. Single-unit packing reference 150 g per unit. Full PACKING entry: 0.15 kg; 72 pcs / 11.8 kg / 1.04 CUFT. The carton gross mass is separate from the unit reference weight. Use the mechanical drawing on PDF page 2 for connection and DIN-latch geometry. Follow the supplied unit’s markings and installation instructions for wiring and tightening. Rail compatibility does not imply that a rail is included; these pages give no separately orderable MEAN WELL rail, bracket, cover or connector accessory code. Reliability and Manufacturer Information MTBF reference 3334.7 K hours minimum under Telcordia SR-332 (Bellcore); 584.0 K hours minimum under MIL-HDBK-217F at 25°C. MTBF is a reliability calculation, not a guaranteed service life. Factory test The catalogue states 100% full-load burn-in testing. Warranty The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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MEAN WELL MDR-10-5 is a single-output industrial DIN rail power supply rated at 5 V DC, 2 A and 10 W. The 22.5 mm-wide Class I unit uses free-air convection and mounts on TS-35/7.5 or TS-35/15 rail. It provides an active DC OK signal and an LED indicator. The output has no specified user voltage-adjustment range. Product Datasheet Download MEAN WELL MDR-10 Datasheet (PDF) The MDR-10 section is on PDF pages 1, 2. Refer to the complete mechanical drawings and notes when planning installation. Model and DC Output Complete model MDR-10-5; MDR-10 catalogue revision 2024-08-20. The final code identifies the nominal 5 V DC output. Rated output 5 V DC / 2 A / 10 W; output-current range 0–2 A. Voltage adjustment No user voltage-adjustment range is specified for MDR-10; the mechanical drawing has no +V ADJ control. Ripple and noise 80 mVp-p maximum. Measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with parallel 0.1 µF and 47 µF capacitors. Voltage tolerance ±5%, including setup tolerance, line regulation and load regulation. Line / load regulation ±1.0% / ±5%, respectively. Typical efficiency 77% at the default 230 VAC input, rated-load and 25°C ambient test conditions. Use the published 10 W rating for this complete model. The family number and small differences in rounded voltage × current values do not replace the catalogue power rating. Apply input and temperature derating together. Input, Timing and Consumption Input range 85–264 VAC or 120–370 VDC; AC frequency 47–63 Hz. Typical AC current 0.33 A at 115 VAC; 0.21 A at 230 VAC. Typical cold-start inrush 35 A at 115 VAC; 70 A at 230 VAC. Setup / rise at full load 500 / 30 ms at 230 VAC; 1000 / 30 ms at 115 VAC. Typical hold-up at full load 120 ms at 230 VAC; 25 ms at 115 VAC. No-load consumption Less than 0.75 W. Leakage current Less than 1 mA at 240 VAC. Switching-frequency reference 60 kHz in the block diagram. Unless otherwise stated, parameters are measured at 230 VAC input, rated load and 25°C ambient. Setup time is measured at the first cold start; repeated switching on and off may increase setup time. Protection Short circuit / overload Above 105% of rated output power: hiccup mode, with automatic recovery after the fault is removed. Overvoltage threshold 5.75–6.75 V. Overvoltage response Output voltage shuts down; re-power the unit to recover. Protection thresholds are fault-response values, not additional continuous or peak output ratings. DC OK Active Signal and External Circuits Signal output The DC OK active-signal entry is 3.75–6 V / 50 mA maximum, referenced to V−. This is a powered signal output, not a built-in dry relay contact. 5 V signal example The catalogue shows a series resistor R of at least 200 Ω from DC OK to a signal node, with a 5.1 V zener diode between that node and V−. External LED example Connect the LED and series resistor R between DC OK and V− as drawn. R must be at least 1000 Ω for this output-voltage model. External relay example The drawing connects relay coil RL between DC OK and V−. Coil resistance must be at least 120 Ω for this model; respect the active-output current limit. The three circuits are application examples on PDF page 2. Their external resistor, zener diode, LED and relay are not identified as supplied accessories, and no complete orderable component codes are given. Select compatible external components using the shown circuit and signal limits. Cooling, Derating and Environment Cooling / mounting Free-air convection; the temperature curve applies to vertical mounting. Ambient-temperature curve Working range −20 to +70°C, subject to derating. For this model, the curve shows 100% load from −20 to +50°C, decreasing linearly to 50% load at +70°C. Input-voltage curve At 60 Hz AC, 80% load is shown at 85 VAC, rising to 100% at 100 VAC. The 100% plateau continues through 264 VAC. Apply the lower permissible load when temperature and input limits overlap. Humidity / storage Working: 20–90% RH, non-condensing. Storage: −40 to +85°C, 10–95% RH. Temperature coefficient ±0.03%/°C over 0–50°C. High-altitude derating For this fanless supply, reduce the allowed ambient temperature by 3.5°C per 1000 m of altitude above 2000 m, as specified in the catalogue footnote. Vibration Component: 10–500 Hz, 2G, 10 min/cycle and 60 min on each X, Y and Z axis. Mounting compliance: IEC60068-2-6. Isolation, Safety and EMC Protective earth Class I installation: connect the FG protective-earth terminal as shown in the mechanical drawing. Withstand voltage Input–output: 3 kVAC; input–FG: 2 kVAC; output–FG: 0.5 kVAC. Insulation resistance 100 MΩ for input–output, input–FG and output–FG, measured at 500 VDC, 25°C and 70% RH. Listed safety approvals UL508; TUV BS EN/EN62368-1; EAC TP TC004; BSMI CNS15598-1; AS/NZS62368.1; IS13252 (Part 1)/IEC60950-1. EMC emissions BS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; BS EN/EN61000-6-1; BS EN/EN61204-3; light-industry level; EAC TP TC020. This supply is a component for installation in final equipment. Reconfirm EMC compliance in that completed equipment; the component ratings and tests do not constitute certification of the entire installation. Installation, Terminals and Weight Body dimensions 22.5 × 90 × 100 mm (W × H × D); case 956. General mechanical-drawing tolerance: ±1 mm. DIN rail compatibility TS-35/7.5 or TS-35/15; 35 mm rail width shown in the drawing. Upper terminals, front view From left to right: +V, −V and DC OK; the drawing marks a 5 mm terminal pitch. Lower terminals, front view From left to right: FG protective earth, N and L. Follow the marked terminals on the supplied unit. Front indication / control DC OK LED; no voltage-adjustment control shown. Single-unit packing reference 150 g per unit. Full PACKING entry: 0.15 kg; 72 pcs / 11.8 kg / 1.04 CUFT. The carton gross mass is separate from the unit reference weight. Use the mechanical drawing on PDF page 2 for connection and DIN-latch geometry. Follow the supplied unit’s markings and installation instructions for wiring and tightening. Rail compatibility does not imply that a rail is included; these pages give no separately orderable MEAN WELL rail, bracket, cover or connector accessory code. Reliability and Manufacturer Information MTBF reference 3334.7 K hours minimum under Telcordia SR-332 (Bellcore); 584.0 K hours minimum under MIL-HDBK-217F at 25°C. MTBF is a reliability calculation, not a guaranteed service life. Factory test The catalogue states 100% full-load burn-in testing. Warranty The manufacturer’s catalogue lists a three-year warranty, subject to its applicable terms.

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