RIA12 – Surge Suppression Modules


RIA12 – Surge Suppression Modules

The SSM series of active surge protectors are designed to handle high input surge voltage in accordance with RIA12. It can clamp up to 385V for 20ms to a safe value of 168V, suitable for 72, 96, and 110V railway systems.

There are 3 models in the range, covering requirements for up to 20W, 150W and 300W power systems.


  • Clamp Input Surge Voltage
  • Standard Meets RIA12 Surge Susceptibility and NF F 01-510 Surge Susceptibility
  • Input Range: 43-160 VDC
  • 385 VDC Maximum Peak Voltage

Model Information

Model NoInput VoltageClamping  Voltage Output Power Range
SSM-110P50-00143 – 160V168V20W
SSM-110004-00143 – 160V168V150W
SSM-110008-00143 – 160V168V300W



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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SSM-110P50-001 20W Datasheet


SSM-110004-001 150W Datasheet


SSM-110008-001 300W Datasheet