Home › ProductsAC-DC Power SuppliesOpen Frame / Chassis MountSHM40



  • Power dense 40W in 1 x 4”
  • Latest Medical & IT approvals
  • Latest 4th Ed. EMC IEC60601-1-2 (2014)
  • EN55011 Level B conducted & radiated
  • No Load power consumption < 0.15W
  • Class II
  • 5 Year warranty

Product Description

The SHM40 series offers 40W in a dense, 1 x 4” open frame package. The units are designed for use in medical and IT applications, are very efficient and have low emissions, meeting EN55011 Level B. They have a wide temperature range from –10 to +70°C and offer low no load power consumption of < 0.15W. Outputs are available from 5V to 54V 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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4 x 1 x 1.28” (101.6 x 25.4 x 32.6mm)

Input Voltage

80-275 VAC

No Load Input Power

< 0.15 W

Harmonic Currents

EN61000-3-2 Class A


Up to 88%

Operating Temp

-10 to 70°C, see datasheet for derating curve


Input to Output - 4000VAC
Input to Ground - 1500VAC
Output to Ground - 1500VAC

European Safety Approvals

EN60950-1 2006/A2 2013, EN60601-1:2006/A1:2013, IEC60950-1 A2 2013, IEC60601-1 3.1 Ed.

US Safety Approvals

ES60601-1:2005 (R2012), CSA-C22.2 No 60601-1:14


EN55011 Conducted - Level B
EN55011 Radiated - Level B


Safety Approvals

SHM40 DoC SHM40 DoC (0 KB)

SHM40 UL listing SHM40 UL listing (195 KB)

3D Models

SHM40 3D PDF SHM40 3D PDF (91 KB)

SHM40 3D STP SHM40 3D STP (3292 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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