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The Mean Well MDR-40-12 is a compact and reliable 40W, 12VDC, 3.33A DIN rail power supply, perfectly suited for a variety of industrial automation, control systems, and other applications requiring a stable 12V power source. Its space-saving slim plastic housing allows for efficient installation on standard DIN rails. This power supply offers essential protection features including short circuit, overload, and overvoltage protection, ensuring the safety of your connected equipment. With a universal AC input range, it provides flexibility for use in different power environments. The MDR-40-12 also features an LED indicator for power status and a DC OK relay contact for remote monitoring.
Features
- 40W, 12VDC, 3.33A output
- Ultra-slim plastic case design for space-constrained installations
- Universal AC input range (85~264VAC)
- Protections: Short circuit, overload, overvoltage
- Cooling by free air convection
- Suitable for DIN rail mounting TS-35/7.5 or TS-35/15
- LED indicator for power-on status
- DC OK relay contact for remote monitoring
- Low no-load power consumption <0.75W
- 100% full load burn-in tested for reliability
Specifications
- Output Voltage: 12VDC (Adjustable range: 12~13.8VDC)
- Output Current: 3.33A
- Output Power: 40W
- Input Voltage: 85~264VAC / 120~370VDC
- Input Current: 0.7A at 230VAC
- Inrush Current: 60A at 230VAC
- Efficiency: 86%
- Over Voltage Protection: 15.6~18VDC, re-power to recover
- Overload Protection: 105~150% rated output power, constant current limiting with auto-recovery
- Working Temperature: -20~+70°C (refer to datasheet for derating curve)
- Working Humidity: 20~90% RH non-condensing
- Dimensions: 40mm x 90mm x 100mm (W x H x D)
- Weight: 0.28kg
- DIN Rail: TS-35/7.5 or TS-35/15
- MTBF: 301.7K hours minimum
Warranty
3-Year Limited Warranty
