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30 September 2015

150W, Encapsulated Railway DC/DC Converters with RIA12 Surge Withstand Capacity

Absopulse 150W DC/DC Converter

ABSOPULSE Electronics’ RWR 155 series of fully encapsulated, ultra-rugged, railway quality dc/dc converters deliver up to 150W output power.

They meet the requirements of EN50155, with an input voltage surge withstand capability of 385Vdc for >1 second (3.5Vn for 20ms/min), they also meet RIA12.

The converters accept 24Vdc, 36Vdc, 48Vdc, 72Vdc, 96Vdc or 110Vdc with wide EN50155 input ranges, and deliver a single output of 12V, 24Vdc, 48Vdc or 110Vdc. Regulation is 1% from no load to full load across all line and load conditions.

The RWR 155 units are fully encapsulated in a thermally conductive MIL-grade silicon rubber compound, with a UL94V-0 flammability rating. They also meet environmental criteria stipulated in MIL-810C, D, with protection from high levels of shock and vibration, moisture, salt, fog and other contaminants. Cooling is by conduction via base plate to a heatsinking surface.

The units operate over a -40°C to 70°C temperature range for full specification (no derating). The compact railway converters measure 108mm x 70mm x 191mm.

Please contact ABSOPULSE Electronics for pricing and availability.

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