Technical Information & Details for the MEAN WELL NDR‑120‑48 Power Supply
- Output Power: 120 W
- Output Voltage: 48 V DC
- Output Current: 2.5 A
- Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz
- Efficiency: up to 89 %
- Ripple & Noise: ≤ 150 mVp-p
- Inrush Current: max. 20 A @115 VAC / 35 A @230 VAC
- No-Load Power Consumption: < 0.75 W
- Operating Temperature: −20 °C to +70 °C
- Cooling: fanless natural convection
- Protection Features: short-circuit, overload, overvoltage, overtemperature
- Overvoltage Category: OVC II
- Isolation Voltage: 3000 V AC between input and output
- Dimensions (H x W x D): 125.2 mm x 40 mm x 113.5 mm
- Weight: approx. 670 g
- Safety & EMC Certificates: CE, UL 508, TUV, CB, EAC
- LED Indicator: Power On Indicator
- Manufacturer Warranty: 3 years
About the MEAN WELL NDR-120-48
The MEAN WELL NDR-120-48 is a high-voltage DIN-rail industrial power supply providing 120 W with stable 48 V DC / 2.5 A output for demanding applications. It features exceptional efficiency up to 89 %, completely fanless convection cooling, and an ultra-narrow 40 mm metal housing for maximum space savings. Full protection circuitry (short-circuit, overload, overvoltage, overtemperature) with automatic recovery ensures unconditional operational safety. Perfect for PLC systems, industrial controls, telecommunications, and high-voltage applications – the global 90–264 V AC input range enables worldwide deployment. With international certifications, the NDR-120-48 delivers superior energy efficiency, extreme durability, and maximum uptime around the clock.