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Mean Well MDR-40-12 Single Output Industrial Power Supply 40W 12V - DIN Rail
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Mean Well MDR-40-12 Single Output Industrial Power Supply 40W 12V -...
Description
Description
Features
| Universal AC input / Full range |
| Installed on DIN rail TS35 / 7.5 or 15 |
| Protections: Short circuit / Overload / Over voltage |
| No load power consumption <0.75W |
| LED indicator for power on |
| DC OK relay contact |
| Cooling by free air convection |
| 100% full load burn-in test |
| 3 years warranty |
General Specification
| AC input voltage range | 85~264VAC; 120~370VDC |
| AC inrush current | Cold start, 30A at 115VAC, 60A at 230VAC |
| DC adjustment range | 0~+20% rated output voltage |
| Overload protection | 105%~150% constant current limiting, auto-recovery |
| Over voltage protection | 125%~150% rated output voltage |
| Setup, rise, hold up time | 500ms, 30ms, 50ms |
| Withstand voltage | I/P-O/P:3kVAC, I/P-FG:1.5kVAC, 1minute |
| Working temperature | -20~+70°C (refer to output derating curve) |
| DC OK signal | Relay contact |
| Safety standards | UL508, TUV EN60950-1, UL60950-1 approved |
| EMC standards | EN55022 class B, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11, EN61204-3, EN61000-6-2 heavy industry level |
| Connection | IP: 3 poles, O/P: 6 poles screw DIN terminal |
| Dimension (LxWxH) | 40x90x100 |
| Packing | 42pcs / 13.6kg |
Specifications
Specifications
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BrandMean Well
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SeriesMDR Series
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Power Rating40 Watt
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Output Voltage12 Volt
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Rated Current3.33 Ampere
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Input Voltage85V~264V
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No of Output1
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Standards MetBSMI,CB,CE,cUL,EAC,RCM,TUV,UL
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Operating Temperature-20°C~70°C
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Warranty3 Year
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Length3.94 in
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Width3.54 in
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Height1.57 in
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Weight0.66 lb
File Downloads
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the MDR-40-12 for a 12V PLC or control panel circuit?
Yes, this model is suited to 12V industrial control applications that need a regulated 12V output up to 3.33A. Its DIN rail form factor, ultra slim profile, and 100.0 x 90.0 x 40.0 mm size make it appropriate for control panels where space is limited.
Is the MDR-40-12 a good fit for building management or access control panels that run on 12V DC?
It can be used where the system requires 12V DC and the total load stays within 40W and 3.33A. The wide 85-264VAC input is useful in building and facility panels fed from standard AC sources.
Can this power supply support 12V sensors, relays, and small automation loads in one cabinet?
It is intended for 12V DC loads with a combined demand up to 40W or 3.33A. That makes it suitable for grouped low-power automation devices in a DIN rail cabinet, provided the total draw stays within the unit's rating.
Would the MDR-40-12 work in a compact DIN rail enclosure with limited space?
Yes, the unit is built for DIN rail mounting and has an ultra slim housing that measures 100.0 x 90.0 x 40.0 mm. That profile is useful in narrow control enclosures where panel density matters.
Is the MDR-40-12 meant for open-air use or for installation inside a control cabinet?
This model is generally suited to use inside a control cabinet or enclosure rather than exposed locations. The stated operating range is -20C to +70C, but no outdoor or washdown protection rating is listed in the provided specs.
How does the MDR-40-12 compare with other MDR series DIN rail models?
Within the listed siblings, the 12V options are MDR-10-12 at 10W and 0.84A, MDR-20-12 at 20W and 1.67A, MDR-40-12 at 40W and 3.33A, MDR-60-12 at 60W and 5A, and MDR-100-12 at 90W and 7.5A. Other siblings are MDR-10-5 at 10W and 2A, MDR-20-5 at 15W and 3A, MDR-40-5 at 30W and 6A, MDR-60-5 at 50W and 10A, MDR-10-15 at 10W and 0.67A, MDR-20-15 at 20W and 1.34A, MDR-10-24 at 10W and 0.42A, MDR-20-24 at 24W and 1A, MDR-40-24 at 40.8W and 1.7A, MDR-60-24 at 60W and 2.5A, MDR-100-24 at 96W and 4A, MDR-40-48 at 39.8W and 0.83A, MDR-60-48 at 60W and 1.25A, and MDR-100-48 at 96W and 2A.
Other MDR-40 Models
3 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well MDR-40-24 Single Output Industrial Power Supply 40W 24V - DIN Rail | 40.8W | 24V | 1.7A | Indoor | $20.65 | View |
| Mean Well MDR-40-5 Single Output Industrial Power Supply 40W 5V - DIN Rail | 30W | 5V | 6A | Indoor | $21.18 | View |
| Mean Well MDR-40-48 Single Output Industrial Power Supply 40W 48V - DIN Rail | 39.8W | 48V | 0.83A | Indoor | $19.36 | View |
