20W Rail EN50155 DC/DC Converter – RHM20W


20W Rail EN50155 DC/DC Converter – RHM20W Series

The RHM20W series are rail approved EN50155 dc/dc converters

They have a 4:1 input range with no minimum load requirements and a range of protection circuits on board.

Input voltage range is from 36V to 160V 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 5V, 12V and 15V

These units come in an industry standard 2” x 1” footprint.


  • 20W Output Power In a 2″X1″ Industrial Standard Package
  • Approved To EN50155, EN45545-2, And IEC/EN/UL 62368-1 Standards
  • 4:1 Input Voltage Range From 36 to 160V
  • Operating Altitude Up To 5000m
  • Operating Temperature: -40°C To +105°C
  • 3000Vdc Input-Output Isolation Voltage
  • Internal EN55032 filter
  • 3-Year Product Warranty

Model Information

Model NoInput VoltageOutput VoltageCurrent Output
RHM20-110S05W36V – 160V5.0V4.00A
RHM20-110S5P1W36V – 160V5.1V4.00A
RHM20-110S12W36V – 160V12V1.67A
RHM20-110S15W36V – 160V15V1.33A
RHM20-110S24W36V – 160V24V0.833A
RHM20-110D05W36V – 160V+/- 5V+/- 2.00A
RHM20-110D12W36V – 160V+/- 12V+/- 0.833A
RHM20-110D15W36V – 160V+/- 15V+/- 0.667A


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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RHM20W Datasheet