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.

DR-120-48
DR Power Supply Series

120W/2.5A DIN-rail 48 VDC power supply with universal 88 to 132 VAC or 176 to 264 VAC input by switch, or 248 to 370 VDC input, -10 to 60°C operating temperature

Output Power Parameters
  • Wattage

    • 120 W
  • Voltage

    • 48 VDC
  • Current Rating

    • 0 to 2.5 A
  • Ripple and Noise

    • 100 mVp-p
  • Voltage Adjustment Range

    • 48 to 53 VDC
  • Setup/Rise Time at Full Load

    • 500 ms, 70 ms at 115 VAC
      500 ms, 70 ms at 230 VAC
  • Typical Hold Up Time at Full Load

    • 32 ms at 115 VAC
      36 ms at 230 VAC
Input Power Parameters
  • Voltage Range

    • 88 to 132 VAC (47 to 63 Hz)
      176 to 264 VAC (47 to 63 Hz)
      248 to 370 VDC
  • Typical Efficiency

    • 85%
  • Typical Current

    • 1.6 A @ 230 VAC, 2.6 A @ 115 VAC
  • Inrush Current (cold start)

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

    • 105 to 150%
  • Protection Type

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

    • 58 to 65 V
  • Protection Type

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

    • 65.5 x 100 x 125.2 mm (2.56 x 3.94 x 4.93 in)
  • Weight

    • 650 g (1.43 lb)
Environmental Limits
  • Operating Temperature

    • -10 to 60°C (14 to 140°F)
  • Max. Operating Temperature at Full Load

    • 45°C
  • Ambient Relative Humidity

    • 20 to 90% (non-condensing)
Standards and Certifications
  • EMC

    • EN 50082-2, EN 55022 Class B, EN 61000-3-2 Class A, ENV 50204
  • Safety

    • EN 60950-1
Warranty
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