Power Supplies

Low-Profile 550-Watt Industrial and Medical Power Supplies

Gresham Power Electronics has announced the introduction of its latest micro-footprint, Ultra High Density (UHD) 550W output power supply the OF(M)550. The product range has been designed for use in applications including industrial and telecom systems, medical equipment and LED lighting.

This new series of open frame switching power supplies utilises a highly advanced circuit topology to deliver 550 Watts with fan cooling and 150 Watts convection cooled in an industry standard package that has a 3 x 5 inch footprint while being just 1.50 in. high (76.2 x 127 x 38.25mm).

Gresham's OF(M)550 power supplies claim industry leading power density of 24W/in³, high efficiency up to 92% typical and features a universal AC input with active PFC. Output voltages of 12-, 15-, 24-, 30-, 48- and 58-Vdc are available. All models feature an auxiliary output to power a cooling fan and an optional cover kit may be supplied to order.

Key international safety agency and EMC approvals are met as follows; EN60601-1 3rd Edition Class I or Class II, CSA/UL 60601-1 Medical Safety, IEC/EN60601-1 3rd Edition, CAN/CSA C22.2 No. 60601-1 3rd Edition, Nemko, UL, cUL and CE Marks, EN50022 (CISPR 22) FCC Part 15 Conducted-Level B, EN61000-3-2 Class D Harmonics, EN61000-4-2, 3, 4, 5 Level 3 Immunity.

Summary of features:

  • ITE: EN60950 Safety Approved
  • Medical: EN60601 Safety Approved (BF Rated)
  • Forced Air, Convection & Conduction ratings to 550W
  • 2mm (3.00″) x 127mm (5.00″) x 38mm (1.5 ")
  • -40 to 70 Deg C Operating Temperature
  • High Efficiency - 92%
  • High Power Density—24W/in³
Gresham Power
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