Home › ProductsAC-DC Power SuppliesOpen Frame / Chassis MountSUF120



  • 120W Convection cooled
  • U-Channel & Open frame options
  • Robust mechanics
  • Single, Dual and Triple outputs
  • Optional power fail
  • EN55022 Level B conducted & radiated
  • 5 Year warranty

Product Description

The SUF120 series provides 120W of convection cooled power in either a 3” x 5” open frame or U-channel package. The range is ultra versatile, offering a wide selection of single, dual and triple output versions with voltages between 3.3 and 48VDC. In addition, the range offers a low temperature variant as well as the option of a power fail detect circuit. All 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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Open frame: 3 x 5 x 1.32" (76.2 x 127 x 33.6mm)
U-channel: 3.21 x 5 x 1.72" (81.6 x 127 x 43.7mm)

Input Voltage

90-260 VAC

No Load Input Power

Single Outputs: < 5 W
Dual/Triples: < 5.5 W

Harmonic Currents

EN61000-3-2 Class A


Up to 80%

Operating Temp

0-70°C, see datasheet for derating curve


Input to Output - 3000VAC

Input to Ground - 1500VAC

Output to Ground - 500VAC

European Safety Approvals

EN60950-1, CE, RoHS

US Safety Approvals

UL60950-1, CSA60950-1 per cUL


EN55022 Conducted - Level B
EN55022 Radiated - Level B

Safety Approvals

SUF120 DoC SUF120 DoC (153 KB)

SUF120 EN60950-1 A2 2013 TUV cert SUF120 EN60950-1 A2 2013 TUV cert (754 KB)

SUF120 UL SUF120 UL (203 KB)

3D Models

SUF120 DWG SUF120 DWG (395 KB)

SUF120 PDF SUF120 PDF (46 KB)

SUF120 U DWG SUF120 U DWG (387 KB)

SUF120 U PDF SUF120 U PDF (119 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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