NLP250-DC Series

250 Watt Power Supplies (48 V DC input)

The NLP250-DC series high-density, open-frame switching power supply is designed to operate directly from a -48 Vdc telecom central office power bus and supports a wide input voltage range of -38 to -60 Vdc. It can deliver 250 watts of continuous power with forced air to support battery backup and high-availability applications. The NLP250-DC features a compact 4 x 7 inch footprint – identical to AC models to facilitate a drop-in alternative for OEMs – and offers a low-profile component height of 1.5 inches to support a variety of 1U telecom applications.

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  • 最大总功率:
    250 W
  • 最大总电流:
    21 A
  • 输入电压:
    -38 V to -60 V
  • 输出电压:
    12 V 至 12 V
  • 输出路数:
    Single
  • 尺寸(长 x 宽 x 高):
    7.000" x 4.000" x 1.500"
  • Warranty:
    2 years
  • 工作温度:
    -5°C to +70°C

Electrical Specifications

  • Input
  • Output
  • Input Voltage Range: -48 Vdc Nominal, 38 - 60 Vdc
  • Input Surge Current: 60 Vdc (cold start), 40 A max.
  • Input Voltage Protection: Reverse polarity protected
  • Input Current: -48 Vdc @ 250 W, 7 A
  • Total Regulation: Main: +/-2.0%, Auxiliary: +/-5.0%
  • Transient Response: Main output: 5.0% or 250 mV
  • Overload Protection: Main output 115%, +/-5%
  • Short circuit Protection: Cyclic operation, continuous
  • Maximum Power: 200 LFM forced air, 250 W
  • -48 Vdc Input
  • 250 W on main channel with forced air
  • Low profile fits 1U applications
  • U-Channel for maximum thermal performance
  • 5 V standby output
  • 12 V fan output
  • Integrated control and monitoring features
  • Overcurrent, overvoltage and overtemperature protection
  • Compliance to EN55022-B conducted noise standard
  • RoHS compliant
  • 2 year warranty

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