Home › ProductsAC-DC Power SuppliesOpen Frame / Chassis MountRHM250P



  • Power dense 250W in 3 x 5”
  • Remote on/off and 5V stand by
  • Latest medical approvals IEC 60601-1 (3.1) and IEC 60601-1-2 4th Ed
  • Earth leakage < 300uA (BF rated)
  • EN55011 Level B conducted & radiated
  • -40 to +70°C Operation
  • 5 Year warranty

Product Description

The RHM250P series offers 250W in a dense, 3 x 5” open frame package. The units are designed for use in medical applications, are very efficient and have low emissions, meeting EN55011 Level B. They have a wide temperature range from -40 to +70°C and offer low no load power consumption of < 0.3W. Outputs are available from 12 to 48V and all models come with a FiDUS 5 year warranty.

Contact us on 01183 420730 or sales@fiduspower.com to confirm stock levels, leadtimes and further prices.

Part numbers
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3 x 5 x 1.46” (76.2 x 127 x 37mm)

Input Voltage

90 to 264 VAC

No Load Input Power

< 0.3 W

Harmonic Currents

EN61000-3-2 Class A


Up to 92%

Operating Temp

-40 to 70°C, see datasheet for derating curve


Input to Output - 4000 VAC

Input to Ground - 1500 VAC

European Safety Approvals

EN 60601-1:2006 + A1: 2013

US Safety Approvals

ES 60601-1:2005 (R2012), CSA-C22.2 No 60601-1:14

Other Safety Approvals

IEC 60601-1 2005 + A1 (Ed 3.1)


EN55011 Conducted & Radiated - Level B

Safety Approvals

RHM250 (P) DoC RHM250 (P) DoC (154 KB)

3D Models

RHM250 (P) 3D PDF RHM250 (P) 3D PDF (2597 KB)

RHM250 (P) 3D STP RHM250 (P) 3D STP (23372 KB)

Require a modified standard part?

Based on your specific requirements, our AC-DC power supplies, DC-DC converters and medical grade power supplies can be supplied with variations to input/output parameters and non-standard connections to meet the needs of your application.

Can’t find what you are looking for? Call us 01183 420730 or

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