Home › ProductsAC-DC Power SuppliesOpen Frame / Chassis MountVKP420



  • 300W Convection / 420W Fan cooled
  • 600W peak for 5 seconds
  • Surge 900W < 1 sec
  • 5V standby rail 1.5A max
  • IT & medical (BF) safety approvals
  • 4th ed EMC immunity IEC60601-1-2
  • 10 Year warranty

Product Description

The VKP420 series of compact open frame AC-DC PSUs provide 300W (420W fan cooled) from a 3.7” x 6.6” package. The range is approved for use in both IT and medical applications and is available with either a 12, 24 or 60V output. In addition to the rated output, the VKP420 offers a 600W peak for up to 5 seconds and a surge current of up to 3x nominal current for less than a second. The unit is excellent for Energy Star applications with a no load power consumption of 0.2W. The units come complete with a FiDUS 10 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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3.7 x 6.6 x 1.46” (95 x 167 x 34mm)

Input Voltage

90-264 VAC

No Load Input Power

0.2 W

Harmonic Currents

EN61000-3-2 Class A & Class D


Up to 92%

Operating Temp

-20 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, 2nd edition, EN60601-1, 3.1 edition, CE, RoHS

US Safety Approvals

UL/CSA 60950-1, 2nd edition

Other Safety Approvals

ANSI/AAMI/CSA 60601-1, 3.1 edition


EN55022/11 Conducted - Level B

EN55022/11 Radiated - Level B

Safety Approvals

VKP420 Doc VKP420 Doc (150 KB)

3D Models

VKP420 3D IGS VKP420 3D IGS (3136 KB)

VKP420 3D PDF VKP420 3D PDF (1962 KB)

VKP420 3d STP VKP420 3d STP (3941 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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