


MDR-20-12 - 20 W 12 VDC DIN Rail Power Supply - MEAN WELL
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MDR-20-12 - 20 W 12 VDC DIN Rail Power Supply - MEAN WELL
MEAN WELL MDR-20-12 DIN Rail Power Supply
The MEAN WELL MDR-20-12 is a compact, single-output industrial power supply for DIN rail mounting. It provides 12 VDC to compatible automation, communication equipment, and control systems.
12 VDC, 20 W Output
The nominal output reaches 12 VDC at 1.67 A, or 20 W. The voltage can be adjusted from 10.8 to 13.2 VDC. The typical advertised efficiency is 80%.
Universal Input
The power supply accepts an input of 85 to 264 VAC or 120 to 370 VDC. Integrated protections cover overload, short circuit, and overvoltage.
DC OK Signal
The MDR-20-12 features an active DC OK output to signal the power supply status. This function can drive an indicator or be integrated into a monitoring system according to the manufacturer's diagram.
Mounting and Environment
The casing measures 22.5 × 90 × 100 mm and mounts on a TS-35/7.5 or TS-35/15 rail. It operates from -20 to +70 °C with derating and natural convection cooling.
| Specifications | |
|---|---|
Power Supply |
85-264 VAC, 12 VDC / 1.67 A, and 20 W
|
Operating Temperature |
|
Mounting Type |
DIN rail
|











