NLP250-DC Series WebSheet
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Product Summary
The 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 -60 Volts. 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.
Resources & Downloads
Datasheet
- 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°C to +70°C
Electrical Specifications
Input
- 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
Output
- Maximum Power: 200 LFM forced air, 250 W
- 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
- -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
