LPS350 Series

350 Watt AC-DC Power Supplies

The LPS350 series of enclosed AC-DC power supplies comprises four models, providing standard voltages of 5 V, 12 V, 15 V or 24 V. All four models also provide 5 V standby and 12 V fan outputs. They accept a universal input of 85–264 Vac or 120–300 Vdc. Features include single wire current sharing, remote sense and remote inhibit, plus remote power fail and DC power good indication. Enclosed LPS350 power supplies can be specified with end or top mounted fans and can deliver up to 350 watts of output power. Versions without a fan are available for applications which provide an alternative means of cooling.

Datasheet Technical Documentation Print This Page
  • Total Max Power:
    350 W
  • Total Max Current:
    70 A
  • Input Voltage:
    85 V to 264 V
  • Output Voltage:
    3 V to 48 V
  • Outputs:
  • Size (L x W x H):
    9.000" x 5.000" x 2.500"
  • Warranty:
    2 years
  • Operating Temperature:
    0 to +70°C

Electrical Specifications

  • Input
  • Output
  • Logic Control
  • Safety ground leakage current: <0.5 mA @ 50/60 Hz, 264 VAC input
  • Power factor: 0.99 typical
  • EMI filter: FCC Class B conducted and radiated CISPR 22 Class
  • Efficiency: 75% typical at full load
  • Inrush current: 38 A max., cold start @ 25°C
  • Frequency: 47-440 Hz
  • Input range: 85-264 VAC; 120-300 VDC
  • Overvoltage protection: 5 V output: 5.7-6.7 VDC. Other models 10% to 25% a
  • Overload protection: Short circuit protection on all outputs. Case over
  • Supervisory outputs: 5 V @ 500 mA regulated, 12 V @ 150 mA x2
  • Adjustment range: 2:1 wide ratio
  • Maximum power: With cover: 350 W with 30 CFM forced air, (-C) (-C
  • Remote on/off: Requires an external contact (N.O or N.C) to inhib
  • DC OK: TTL logic goes high 50-150 msec after the output.
  • Power failure: TTL logic signal goes high 50-150 msec after 5 V o
  • Remote sense: Compensates for 0.5 V lead drop min. Will operate
  • Built-in EMI filter
  • Low output ripple
  • Supervisory output 5 V and 12 V
  • Overvoltage protection
  • DC power good
  • Single wire current sharing
  • Cover -C
  • 130 KHz switching frequency
  • Optional with fan cover -CF
  • Optional end-mounted fan - CEF
  • Power fail and remote inhibit
  • Remote sense
  • Active power factor correction
  • Thermal overload protection
  • IEC EN6100-3-2 compliance
  • Overload protection

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