40W Rail EN50155 DC/DC Converter – RED40U


40W Rail EN50155 DC/DC Converter – RED40U Series

The RED40U series are rail approved EN50155 dc/dc converters

They have a 12:1 input range with no minimum load requirements and a range of protection circuits on board.

Input voltage range is from 14 to 160V or 9 to 75V which covers most rail input voltages. They are available with a range of single output voltages from 5V to 24V, with dual output versions also of 12V and 15V

These units come in an industry standard 2” x 1” footprint; they are also available with added heat sinks


  • 40W Output Power in a 2″x1″ Industrial Standard Package
  • Approved to EN 50155 | EN 45545-2 | IEC/EN/UL 62368-1 Standard
  • 8:1 & 12:1 Input Voltage Range from 9-75V and 14-160V
  • Patented Enhanced Hold-up Function for Supply Interruption and Changeover
  • Adjustable Input Under-Voltage Lockout
  • 3000VDC Input-Output Isolation
  • Operating Temperature: -40°C to +105°C
  • Operating Altitude: Up to 5000m
  • 3-Year Product Warranty

Model Information

Model NoInput VoltageOutput VoltageCurrent Output
RED40-72S05U14V – 160V5V8.00A
RED40-72S05P1U14V – 160V5.1V8.00A
RED40-72S12U14V – 160V12V3.33A
RED40-72S15U14V – 160V15V2.67A
RED40-72S24U14V – 160V24V1.67A
RED40-72S28U14V – 160V28V1.43A
RED40-72S48U14V – 160V48V0.83A
RED40-72S53U14V – 160V53V0.75A
RED40-72D12U14V – 160V+/-12V3.33A
RED40-72D15U14V – 160V+/-15V2.67A


P-Duke Power

P-Duke Power started in 1992, have concentrated their design efforts on dc/dc converters and associated products. They have a wide range of products for general industrial applications but also specific ranges for Medical and Rail requirements meeting all relevant safety standards. Our product specialists are happy to assist with product selection and offer help throughout the design cycle.

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RED40U Datasheet


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