Technical Specifications & Details for MEAN WELL MDR-20-24 Power Supply
- Output Power: 24 W
- Output Voltage: 24 V DC
- Output Current: 1 A
- Input Voltage Range: 85 – 264 V AC / 120 – 370 V DC, 47 – 63 Hz
- Efficiency: 84%
- Ripple & Noise: ≤ 150 mVp-p
- Inrush Current: max. 20 A @115 VAC / 40 A @230 VAC
- No-load Power Consumption: < 0.75 W
- Operating Temperature: −20 °C to +70 °C
- Cooling: Free air convection
- Protections: Short circuit, Overload (Constant current limiting), Over voltage
- Isolation Voltage: 3000 V AC I/P to O/P
- Dimensions (W x H x D): 22.5 mm x 90 mm x 100 mm
- Weight: approx. 170 g
- Safety & EMC Certificates: UL 508, TUV BS EN/EN62368-1, EAC, CB, BSMI, IS13252
- LED Indicator: Power On LED indicator
- Manufacturer Warranty: 3 Years
Information on the MEAN WELL MDR-20-24
The MEAN WELL MDR-20-24 is a highly reliable 24W power supply designed for seamless DIN rail integration in space-constrained industrial environments. Its ultra-slim 22.5mm width allows for maximum component density on TS-35/7.5 or 15 rails, making it a preferred choice for modern control panels. A key technical advantage of this model is the built-in DC OK active signal, which provides real-time feedback on the output status to higher-level monitoring systems or PLCs. Engineered for superior energy performance, it achieves an efficiency of 84% and maintains a no-load power consumption of less than 0.75W, significantly lowering the total cost of ownership and thermal dissipation. The unit employs a constant current limiting protection strategy, ensuring it remains robust during startup surges or temporary overloads and recovers automatically once conditions stabilize. With its maintenance-free fanless design and a full suite of global safety approvals, the MDR-20-24 provides a stable 24V DC foundation for automation, telecommunications, and building management systems.