20W Rail EN50155 DC/DC Converter – RED20W


20W Rail EN50155 DC/DC Converter – RED20W Series

The RED20W 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 9 to 36V; 18 to 75V or 43 to 160V which covers most rail input voltages. They are available with a range of single output voltages from 3.3V to 15V, 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.


  • 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 9-36v, 18-75v, and 43-160v
  • Operating Temperature: -40°C To +101°C (Optional -55°C To 101°C)
  • 2250Vdc Input-Output Isolation Voltage
  • Internal EN55032 filter
  • 3-Year Product Warranty

Model Information

Model NoInput VoltageOutput VoltageCurrent Output
RED20-24S3P3W9V – 36V3.3V4.50A
RED20-24S05W9V – 36V5.0V4.00A
RED20-24S12W9V – 36V12V1.67A
RED20-24S15W9V – 36V15V1.33A
RED20-24D12W9V – 36V+/- 12V+/- 0.833A
RED20-24D15W9V – 36V+/- 15V+/- 0.667A
RED20-48S3P3W18V – 75V3.3V4.50A
RED20-48S05W18V – 75V5.0V4.00A
RED20-48S12W18V – 75V12V1.67A
RED20-48S15W18V – 75V15V1.33A
RED20-48D12W18V – 75V+/- 12V+/- 0.833A
RED20-48D15W18V – 75V+/- 15V+/- 0.667A
RED20-110S3P3W43V – 160V3.3V4.50A
RED20-110S05W43V – 160V5.0V4.00A
RED20-110S12W43V – 160V12V1.67A
RED20-110S15W43V – 160V15V1.33A
RED20-110D12W43V – 160V+/- 12V+/- 0.833A
RED20-110D15W43V – 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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RED20W Datasheet