3W Rail EN50155 DC/DC Converter – RDL03W


3W Rail EN50155 DC/DC Converter – RDL03W Series

The RDL03W 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, 18-75V or 43 to 160V which covers most rail input voltages. They are available with a range of single output voltages from 3.3V to 24V, with dual output versions also of 5V, 12V and 15V.

These units come in a compact 8pin SIP package.


  • 3W Output Power
  • Up To 3000VDC Isolation Voltage
  • Small Size & Low Profile SIP8 Package 0.86x 0.36x 0.44 Inch
  • Integrated UVP, OCP, SCP
  • No Minimum Load Required
  • Approved To EN50155, EN45545-2, And IEC/EN/UL 62368-1 Standards

Model Information

Model NoInput VoltageOutput VoltageCurrent Output
RDL03-36S3P3W9V -36V3.3V0.70A
RDL03-36S05W9V -36V5.0V0.60A
RDL03-36S09W9V -36V9.0V0.33A
RDL03-36S12W9V -36V12V0.25A
RDL03-36S15W9V -36V15V0.20A
RDL03-36S24W9V -36V24V0.125A
RDL03-36D05W9V -36V+/- 5V+/- 0.300A
RDL03-36D12W9V -36V+/- 12V+/- 0.125A
RDL03-36D15W9V -36V+/- 15V+/- 0.100A
RDL03-48S3P3W18V – 75V3.3V0.70A
RDL03-48S05W18V – 75V5.0V0.60A
RDL03-48S09W18V – 75V9.0V0.33A
RDL03-48S12W18V – 75V12V0.25A
RDL03-48S15W18V – 75V15V0.20A
RDL03-48S24W18V – 75V24V0.125A
RDL03-48D05W18V – 75V+/- 5V+/- 0.300A
RDL03-48D12W18V – 75V+/- 12V+/- 0.125A
RDL03-48D15W18V – 75V+/- 15V+/- 0.100A
RDL03-110S3P3W43V – 160V3.3V0.70A
RDL03-110S05W43V – 160V5.0V0.60A
RDL03-110S09W43V – 160V9.0V0.33A
RDL03-110S12W43V – 160V12V0.25A
RDL03-110S15W43V – 160V15V0.20A
RDL03-110S24W43V – 160V24V0.125A
RDL03-110D05W43V – 160V+/- 5V+/- 0.300A
RDL03-110D12W43V – 160V+/- 12V+/- 0.125A
RDL03-110D15W43V – 160V+/- 15V+/- 0.100A


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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RDL03W Datasheet