MOXA

DIN-rail Power Supplies

Moxa offers a wide variety of DIN-rail power supplies that meet space and power source input/output requirements for most industrial control systems.

NDR-120-48
NDR Power Supply Series

120 W/2.5 A DIN-rail 48 VDC power supply, universal 90 to 264 VAC or 127 to 370 VDC input voltage, -20 to 70°C operating temperature

Output Power Parameters
  • Wattage

    • 120 W
  • Voltage

    • 48 VDC
  • Current Rating

    • 0 to 2.5 A
  • Ripple and Noise

    • 150 mVp-p
  • Voltage Adjustment Range

    • 48 to 55 VDC
  • Setup/Rise Time at Full Load

    • 2500 ms, 60 ms at 115 VAC
      1200 ms, 60 ms at 230 VAC
  • Typical Hold Up Time at Full Load

    • 10 ms at 115 VAC
      16 ms at 230 VAC
Input Power Parameters
  • Typical Efficiency

    • 89%
  • Typical Current

    • 1.3 A @ 230 VAC, 2.25 A @ 115 VAC
  • Voltage Range

    • 90 to 264 VAC (47 to 63 Hz)
      127 to 370 VDC
  • Inrush Current (cold start)

    • 35 A @ 230 VAC, 20 A @ 115 VAC
Overload Protection
  • Rated Output Power

    • 105 to 160%
  • Protection Type

    • Constant current limiting, recovers automatically after fault condition is removed
Overvoltage Protection
  • Over-Voltage Range

    • 56 to 65 V
  • Protection Type

    • Shut down operating voltage, repower on to recover
Physical Characteristics
  • Housing

    • Metal
  • Dimensions

    • 123.75 x 125.20 x 40 mm (4.87 x 4.93 x 1.57 in)
  • Weight

    • 500 g (1.10 lb)
Environmental Limits
  • Operating Temperature

    • -20 to 70°C (-4 to 158°F)
  • Storage Temperature

    • -40 to 85°C (-40 to 185°F)
  • Ambient Relative Humidity

    • 20 to 95% (non-condensing)
  • Max. Operating Temperature at Full Load

    • 45°C (113°F)
Standards and Certifications
  • Safety

    • UL 508, EN 62368-1, IEC 62368-1
  • EMC

    • EN 55032/24, EN 61000-3-2 Class A, EN 61000-3-3
  • EMS

    • IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
      IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
      IEC 61000-4-4 EFT: Power: 2 kV
      IEC 61000-4-5 Surge: Power: 2 kV
      IEC 61000-4-6 CS: 10 V
      IEC 61000-4-8 PFMF
      IEC 61000-4-11 DIPs
MTBF
  • Standards

    • MIL-HDBK-217F
  • Time

    • 453,334 hrs
Warranty
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