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NLP250-DC Series WebSheet

NLP250-DC
  • Total Max Power: 250 W
  • Total Max Current: 21 A
  • Input Voltage: -38 V to -60 V
  • Output Voltage: 12 V
  • Outputs: Single
  • Size (L x W x H): 7.000" x 4.000" x 1.500"
  • Warranty: 2 years
  • Operating Temperature: -5 to +70C
  • Download Datasheet

The all new NLP250-DC high-density, open-frame switching power supply is designed to operate directly from a -48VDC telecom central office power bus and supports a wide input voltage range of -38 to -60V. It can deliver 250W 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.

Special features

  • -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

Electrical specs

Input

  • Input Current: -48 Vdc @ 250 W, 7 A
  • Input Voltage Protection: Reverse polarity protected
  • Input Surge Current: 60 Vdc (cold start), 40 A max.
  • Input Voltage Range: -48 Vdc Nominal, 38-60 Vdc

Output

  • Transient Response: Main output: 5.0% or 250 mV
  • Total Regulation: Main: +/-2.0%, Auxiliary: +/-5.0%
  • Maximum Power: 200 LFM forced air, 250 Watts
  • Overload Protection: Main output 115%, +/-5%
  • Short circuit Protection: Cyclic operation, continuous

NLP250-DC models

Output(s) Model No Buy Now Evaluation
12 V @ 21 A NLP250N-48S12J Buy Now Request