Power Supplies

NDR-240-48

240W DIN rail power supply for PoE switch. 48~55VDC out, -20°C to +70°C (-4°F to 158°F) operating temperature range.

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Description

240W DIN rail power supply for PoE switch. 48~55VDC out, -20°C to +70°C (-4°F to 158°F) operating temperature range.

Feature:

  • Short circuit, overload, over voltage & over temperature protection
  • Cooling by free air convection
  • Installation on DIN rail TS-35/7.5 or 15
  • UL508 Industrial control equipment approved
  • 100% full-load burn-in test
  • 3 year warranty

Specifications

Output

    • DC Voltage: 48Vdc
    • Rated Current: 2.5A
    • Current Range: 0-2.5A
    • Rated Power: 120W
    • Ripple & Noise (max): 100mVp-p
    • Voltage Adj. Range: 48-53Vdc
    • Voltage Tolerance: ±1.0%
    • Line Regulation: ±0.5%
    • Load Regulation ±1.0%
    • Setup, Rise Time:
      • 500ms, 70ms/230Vac
      • 500ms, 70ms/115Vac at full load
    • Hold Up Time:
      • 36ms/230Vac
      • 32ms/115Vac at full load

Input

    • Voltage Range:
      • 88 – 132Vac/176 – 264Vac (by switch)
      • 248 – 370Vdc
    • Frequency Range: 47 – 63Hz
    • Efficiency (typ): 85%
    • AC Current (typ):
      • 6A/115Vac
      • 6A/230Vac
    • Inrush Current (typ):
      • cold start 20A/115Vac
      • 40A/230Vac
    • Leakage Current: <3.5 Ma/240Vac

Protection

    • Overload 105 – 150% rated output power
    • Over Voltage:
      • 58 – 65V
      • Protection type: shut down output
      • voltage, repower on to recover
    • Over Temperature 90°C ±5°C (TSW1)

Mechanical

    • Dimensions:
      • 66mm x 126mm x 100mm
      • (2.26” x 4.96” x 3.94”)
    • Weight 790g: (1lb 11oz)

Environmental

    • Operating Temperature: -10°- +60°C /14°- 140°F
    • Operating Humidity: 20 to 90% RH non-condensing
    • Storage Temperature: -20°- +85°C /4°-185°F
    • Temp Coefficient:
      • ±0.03%/°C(0 – 50°C)
      • 10 – 500Hz, 2G 10 min/1 cycle
      • 60 min each along X, Y, Z axis
    • Mean Time Between: 136.8khrs min
    • Failure (MBTF) MIL-HDBK-217F (25°C)

Accesories

If you need some information about related accessories, please consult us.

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Datasheet of  NDR-240-48

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