550W Micro-footprint Industrial & Medical Power Supply

550W power supply

Gresham Electronics’ ultra-high-density 550W power supply features 5 X 3 X 1.5-inch footprint 

Today’s power supply vendors want to miniaturize their power supplies for a given power level and yet maintain reliability to suit industry’s requirements. Responding to this trend, Gresham Power Electronics has launched 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 delivers 550 Watts with fan cooling and 150 Watts convection cooled in an industry standard package that has a 3 x 5 x1.50 inch footprint (76.2 x 127 x 38.25mm).


The products feature a universal AC input with active PFC. Output voltages of 12, 15, 24, 30, 48 and 58VDC 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.

Key features include:

  • ITE: EN60950 Safety Approved
  • Medical: EN60601 Safety Approved (BF Rated)
  • Forced Air, Convection & Conduction ratings to 550W
  • 76.2mm (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

Click here for more information.

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