WDR-120-12

AC/DC DIN Rail Power Supply (PSU), ITE, 1 Output, 120 W, 12 VDC, 10 A

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Manufacturer: MEAN WELL
Product type:
No. of Outputs:1 Output; Output Power Max:120W; Output Voltage - Output 1:12V; Output Current - Output 1:10A; Output Voltage - Output 2:-; Output Current - Output 2:-; Output Voltage - Outp
SVHC: No SVHC (25-Jun-2025)
Product Range: WDR-120 Series
No. of Outputs: 1 Output
Output Power Max: 120W
Current, Output 4: -
Input Voltage VAC: 180V AC to 550V AC
Input Voltage AC Max: 550V
Input Voltage AC Min: 180V
Power Supply Output Type: Adjustable, Fixed
Output Current - Output 1: 10A
Output Current - Output 2: -
Output Current - Output 3: -
Output Voltage - Output 1: 12VDC
Output Voltage - Output 2: -
Output Voltage - Output 3: -
Output Voltage - Output 4: -
Power Supply Applications: ITE
Delivery and price
Units per pack	50
Price	54.54 €
Current stock	25+
Lead time	30 days
Datasheet
## 120W Single Output Industrial DIN RAIL Power Supply 

## **- WDR 120  series** 

## ■ 

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‧ 

## **SPECIFICATION** 

|**WDR-120-12**<br>**WDR-120-24**<br>**MODEL**<br>**DC VOLTAGE**<br>**RATED CURRENT**<br>**CURRENT RANGE**<br>**RATED POWER**<br>**OUTPUT**<br>**VOLTAGE ADJ. RANGE**<br>**LINE REGULATION**<br>**LOAD REGULATION**<br>**SETUP, RISE, HOLD UP TIME**<br>**VOLTAGE RANGE**<br>**FREQUENCY RANGE**<br>**EFFICIENCY (Typ.)**<br>**INPUT**<br>**INRUSH CURRENT (max.)**<br>**LEAKAGE CURRENT**<br>**OVER TEMPERATURE**<br>**SAFETY STANDARDS**<br>**WORKING TEMP.**<br>**DC OK SIGNAL**<br>**WORKING HUMIDITY**<br>**STORAGE TEMP., HUMIDITY**<br>**TEMP. COEFFICIENT**<br>**VIBRATION**<br>**MTBF**<br>**DIMENSION**<br>**OTHERS**<br>**NOTE**<br>**PACKING**<br>**OVERLOAD**<br>**OVER VOLTAGE**<br>**AC CURRENT**<br>12V<br>24V<br>10A<br>5A<br>0 ~ 10A<br>0 ~ 5A<br>120W<br>120W<br>120mVp-p<br>120mVp-p<br>12 ~ 15V<br>24 ~ 29V<br>±1.5%<br>±1.0%<br>±0.5%<br>±0.5%<br>±0.5%<br>±0.5%<br>2000ms, 70ms, 50ms/400VAC          2000ms, 70ms, 10ms/230VAC at full load<br>180 ~ 550VAC          254 ~ 780VDC<br>47 ~ 63Hz<br>89.5% / 400V<br>91% / 400V<br>92% / 400V<br>0.7A/400VAC          1.2A/230VAC<br>COLD START 50A<br><3.5mA / 530VAC<br>105 ~ 130% rated output power<br>16 ~ 18V<br>31 ~ 37V<br>Protection type : Constant current limiting, recovers automatically after fault condition is removed<br>Protection type : Shut down o/p voltage, re-power on to recover<br>Shut down o/p voltage, recovers automatically after temperature goes down<br>Ul508 approved, IEC60950-1 CB approved by SIQ, design refer to GL;(meet  EN60204-1)<br>Compliance to EN55011 (CISPR11), EN55022 (CISPR22), EN61204-3 Class B<br>Compliance to EN61000-4-2,3,4,5,6,8,11, EN61204-3, EN61000-6-2 (EN50082-2), heavy industry level, criteria A<br>-25 ~ +70℃(Refer to "Derating Curve")<br>Relay contact rating(max.) : 30V / 1A resistive<br>20 ~ 90% RH non-condensing<br>-40 ~ +85℃, 10 ~ 95% RH<br>±0.03%/℃(0 ~ 50℃)<br>Component: 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes; Mounting clip: Compliance to IEC60068-2-6<br>268K hrs min.      MIL-HDBK-217F (25℃)<br>40*125.2*113.5mm (W*H*D)<br>0.65Kg; 20pcs/14Kg/1.16CUFT<br>**WDR-120-48**<br>48V<br>2.5A<br>0 ~2.5A<br>120W<br>150mVp-p<br>48 ~ 58V<br>±1.0%<br>±0.5%<br>±0.5%<br>60 ~ 67V<br>**RIPPLE & NOISE (max.)Note.2**<br>**VOLTAGE TOLERANCENote.3**<br>**ENVIRONMENT**<br>**SAFETY &**<br>**EMC**<br>**(Note 4)**<br>**PROTECTION**<br>℃<br><br><br><br><br><br>**WITHSTAND VOLTAGE**<br>**ISOLATION RESISTANCE**<br>I/P-O/P:3KVAC     I/P-FG:2KVAC     O/P-FG:0.5KVAC     O/P-DC OK:0.5KVAC<br>I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH<br>**FUNCTION**<br>**EMC IMMUNITY**<br>**EMC EMISSION**<br>es<br>(<br>~~a~~<br>~~a~~<br>~~a~~<br>a<br>a<br>a<br>ee<br>ee~~a~~<br>ee<br>ee<br>ee<br>ee<br>ee<br>a<br>a<br>a<br>a<br>~~ee~~<br>~~i~~<br>Be<br>_|__<br>_1<br>a<br>aee<br>ee<br>ee~~a~~<br>~~a~~<br>~~a~~<br>ee<br>a<br>a<br>a<br>ee<br>a<br>~~a~~|**WDR-120-12**<br>**WDR-120-24**<br>**MODEL**<br>**DC VOLTAGE**<br>**RATED CURRENT**<br>**CURRENT RANGE**<br>**RATED POWER**<br>**OUTPUT**<br>**VOLTAGE ADJ. RANGE**<br>**LINE REGULATION**<br>**LOAD REGULATION**<br>**SETUP, RISE, HOLD UP TIME**<br>**VOLTAGE RANGE**<br>**FREQUENCY RANGE**<br>**EFFICIENCY (Typ.)**<br>**INPUT**<br>**INRUSH CURRENT (max.)**<br>**LEAKAGE CURRENT**<br>**OVER TEMPERATURE**<br>**SAFETY STANDARDS**<br>**WORKING TEMP.**<br>**DC OK SIGNAL**<br>**WORKING HUMIDITY**<br>**STORAGE TEMP., HUMIDITY**<br>**TEMP. COEFFICIENT**<br>**VIBRATION**<br>**MTBF**<br>**DIMENSION**<br>**OTHERS**<br>**NOTE**<br>**PACKING**<br>**OVERLOAD**<br>**OVER VOLTAGE**<br>**AC CURRENT**<br>12V<br>24V<br>10A<br>5A<br>0 ~ 10A<br>0 ~ 5A<br>120W<br>120W<br>120mVp-p<br>120mVp-p<br>12 ~ 15V<br>24 ~ 29V<br>±1.5%<br>±1.0%<br>±0.5%<br>±0.5%<br>±0.5%<br>±0.5%<br>2000ms, 70ms, 50ms/400VAC          2000ms, 70ms, 10ms/230VAC at full load<br>180 ~ 550VAC          254 ~ 780VDC<br>47 ~ 63Hz<br>89.5% / 400V<br>91% / 400V<br>92% / 400V<br>0.7A/400VAC          1.2A/230VAC<br>COLD START 50A<br><3.5mA / 530VAC<br>105 ~ 130% rated output power<br>16 ~ 18V<br>31 ~ 37V<br>Protection type : Constant current limiting, recovers automatically after fault condition is removed<br>Protection type : Shut down o/p voltage, re-power on to recover<br>Shut down o/p voltage, recovers automatically after temperature goes down<br>Ul508 approved, IEC60950-1 CB approved by SIQ, design refer to GL;(meet  EN60204-1)<br>Compliance to EN55011 (CISPR11), EN55022 (CISPR22), EN61204-3 Class B<br>Compliance to EN61000-4-2,3,4,5,6,8,11, EN61204-3, EN61000-6-2 (EN50082-2), heavy industry level, criteria A<br>-25 ~ +70℃(Refer to "Derating Curve")<br>Relay contact rating(max.) : 30V / 1A resistive<br>20 ~ 90% RH non-condensing<br>-40 ~ +85℃, 10 ~ 95% RH<br>±0.03%/℃(0 ~ 50℃)<br>Component: 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes; Mounting clip: Compliance to IEC60068-2-6<br>268K hrs min.      MIL-HDBK-217F (25℃)<br>40*125.2*113.5mm (W*H*D)<br>0.65Kg; 20pcs/14Kg/1.16CUFT<br>**WDR-120-48**<br>48V<br>2.5A<br>0 ~2.5A<br>120W<br>150mVp-p<br>48 ~ 58V<br>±1.0%<br>±0.5%<br>±0.5%<br>60 ~ 67V<br>**RIPPLE & NOISE (max.)Note.2**<br>**VOLTAGE TOLERANCENote.3**<br>**ENVIRONMENT**<br>**SAFETY &**<br>**EMC**<br>**(Note 4)**<br>**PROTECTION**<br>℃<br><br><br><br><br><br>**WITHSTAND VOLTAGE**<br>**ISOLATION RESISTANCE**<br>I/P-O/P:3KVAC     I/P-FG:2KVAC     O/P-FG:0.5KVAC     O/P-DC OK:0.5KVAC<br>I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH<br>**FUNCTION**<br>**EMC IMMUNITY**<br>**EMC EMISSION**<br>es<br>(<br>~~a~~<br>~~a~~<br>~~a~~<br>a<br>a<br>a<br>ee<br>ee~~a~~<br>ee<br>ee<br>ee<br>ee<br>ee<br>a<br>a<br>a<br>a<br>~~ee~~<br>~~i~~<br>Be<br>_|__<br>_1<br>a<br>aee<br>ee<br>ee~~a~~<br>~~a~~<br>~~a~~<br>ee<br>a<br>a<br>a<br>ee<br>a<br>~~a~~|**WDR-120-12**<br>es<br>(|**WDR-120-24**<br>es<br>(|**WDR-120-48**<br>es|
|---|---|---|---|---|
||**DC VOLTAGE**<br>es<br>~~a~~|12V<br>es<br>(<br>~~a~~|24V<br>es<br>(|48V<br>es|
||**RATED CURRENT**<br>~~a~~<br>~~a~~|10A<br>~~a~~<br>~~a~~|5A|2.5A|
||**CURRENT RANGE**<br>~~a~~<br>~~a~~|0 ~ 10A<br>~~a~~<br>~~a~~<br>a|0 ~ 5A|0 ~2.5A|
||**RATED POWER**<br>~~a~~<br>a|120W<br>~~a~~<br>a|120W|120W|
||**RIPPLE & NOISE (max.)Note.2**<br>a<br>a<br>ee|120mVp-p|120mVp-p|150mVp-p|
||**VOLTAGE ADJ. RANGE**<br>a<br>ee<br>ee|12 ~ 15V<br>~~a~~|24 ~ 29V<br>~~a~~|48 ~ 58V<br>~~a~~|
||**VOLTAGE TOLERANCENote.3**<br>ee<br>ee<br>ee|±1.5%<br>~~a~~|±1.0%<br>~~a~~|±1.0%<br>~~a~~|
||**LINE REGULATION**<br>ee<br>ee<br>ee|±0.5%<br>~~a~~|±0.5%<br>~~a~~|±0.5%<br>~~a~~|
||**LOAD REGULATION**<br>ee<br>ee<br>ee|±0.5%|±0.5%|±0.5%|
||**SETUP, RISE, HOLD UP TIME**<br>ee<br>ee<br>ee|2000ms, 70ms, 50ms/400VAC          2000ms, 70ms, 10ms/230VAC at full load|||
||**VOLTAGE RANGE**<br>ee<br>ee<br>ee|180 ~ 550VAC          254 ~ 780VDC|||
||**FREQUENCY RANGE**<br>ee<br>ee|47 ~ 63Hz|||
||**EFFICIENCY (Typ.)**<br>ee<br>a|89.5% / 400V|91% / 400V|92% / 400V|
||**AC CURRENT**<br>a|0.7A/400VAC          1.2A/230VAC|||
||**INRUSH CURRENT (max.)**<br>a|COLD START 50A|||
||**LEAKAGE CURRENT**<br>a<br>~~ee~~|<3.5mA / 530VAC<br>~~ee~~|||
||**OVERLOAD**<br>~~ee~~<br>Be<br>_|__|105 ~ 130% rated output power<br>Protection type : Constant current limiting, recovers automatically after fault condition is removed<br>~~ee~~<br>~~i~~<br>_|__<br>_1|||
||**OVER VOLTAGE**<br>~~ee~~<br>Be<br>_|__|16 ~ 18V<br>31 ~ 37V<br>Protection type : Shut down o/p voltage, re-power on to recover<br>60 ~ 67V<br>~~ee~~<br>~~i~~<br>_|__<br>_1|||
||**OVER TEMPERATURE**<br>Be<br>_|__<br>a|Shut down o/p voltage, recovers automatically after temperature goes down<br>~~i~~<br>_|__<br>_1|||
||**DC OK SIGNAL**<br>ee|Relay contact rating(max.) : 30V / 1A resistive|||
||**WORKING TEMP.**<br>ee<br>ee|-25 ~ +70℃(Refer to "Derating Curve")|||
||**WORKING HUMIDITY**<br>ee<br>ee<br>ee|20 ~ 90% RH non-condensing<br>|||
||**STORAGE TEMP., HUMIDITY**<br>ee<br>ee|-40 ~ +85℃, 10 ~ 95% RH<br>|||
||**TEMP. COEFFICIENT**<br>ee~~a~~|±0.03%/℃(0 ~ 50℃)<br>~~a~~|||
||**VIBRATION**<br>~~a~~|Component: 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes; Mounting clip: Compliance to IEC60068-2-6<br>~~a~~|||
||**SAFETY STANDARDS**<br>~~a~~<br>ee|Ul508 approved, IEC60950-1 CB approved by SIQ, design refer to GL;(meet  EN60204-1)<br>~~a~~|||
||**WITHSTAND VOLTAGE**<br>~~a~~<br>ee|I/P-O/P:3KVAC     I/P-FG:2KVAC     O/P-FG:0.5KVAC     O/P-DC OK:0.5KVAC<br>~~a~~|||
||**ISOLATION RESISTANCE**<br>ee<br>a|I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH|||
||**EMC EMISSION**<br>a|Compliance to EN55011 (CISPR11), EN55022 (CISPR22), EN61204-3 Class B|||
||**EMC IMMUNITY**<br>a<br>ee|Compliance to EN61000-4-2,3,4,5,6,8,11, EN61204-3, EN61000-6-2 (EN50082-2), heavy industry level, criteria A|||
||**MTBF**<br>ee|268K hrs min.      MIL-HDBK-217F (25℃)|||
||**DIMENSION**<br>ee<br>a|40*125.2*113.5mm (W*H*D)|||
||**PACKING**<br>~~a~~|0.65Kg; 20pcs/14Kg/1.16CUFT|||
||℃<br><br><br><br><br><br>~~a~~||||



   

_File Name:WDR-120-SPEC   2015-10-29_ 

## **-** 120W Single Output Industrial DIN RAIL Power Supply **WDR 120  series** 

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Mechanical Specification Case No.992B       Unit:mm<br>125.2<br>1<br>1 2<br>2 3<br>3 4<br>TB1 TB2<br>Terminal Pin No.  Assignment (TB1)<br>Pin No. Assignment<br>1 FG<br>2 AC/L2<br>3 AC/L1<br>Terminal Pin No.  Assignment (TB2)<br>Pin No. Assignment<br>ADMISSIBLE DIN-RAIL:TS35/7.5 OR TS35/15 1,2 Relay Contact<br>3 DC OUTPUT -V<br>4 DC OUTPUT+V<br>Block Diagram<br>DC OK<br>EMI RECTIFIERS POWER RECTIFIERS +V<br>I/P FILTER & SWITCHING & -V<br>FILTER FILTER<br>DETECTION<br>CIRCUIT<br>FG<br>CURRENT<br>LIMIT<br>PWM<br>O.L.P. CONTROL O.T.P.<br>O.V.P.<br>DC OK Relay Contact<br>Contact Close PSU turns on / DC OK.<br>Contact Open PSU turns off / DC Fail.<br>Contact Ratings (max.) 30V/1A resistive load.<br>113.5<br>DC OK<br>40 DC OK +V ADJ.<br>+<br>35<br>**----- End of picture text -----**<br>


_File Name:WDR-120-SPEC   2015-10-29_ 

## **-** 120W Single Output Industrial DIN RAIL Power Supply **WDR 120  series** 

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Derating Curve Static Characteristics<br>100 Others 100<br>90<br>80<br>80<br>60 12V 70<br>60<br>40<br>50<br>20<br>40<br>-25 0 10 20 30 40 50 60 70 (VERTICAL) 180 190 200 250 290 310 360 400 450 490 500 520 550<br>AMBIENT TEMPERATURE ( ℃ ) INPUT VOLTAGE (VAC) 60Hz<br>LOAD (%) LOAD (%)<br>**----- End of picture text -----**<br>


_File Name:WDR-120-SPEC   2015-10-29_
Updated at June 4, 2026
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