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  1. Bel Power Solutions
29 March 2018

RCM Chassis-Mount 150W and 300W DC-DC Converters from Bel Power Solutions

Bel Power Solutions and Protection has released the new RCM150 (150W) and RCM300 (300W) chassis-mounted DC-DC converters, designed for compact and high-reliability railway applications.

These new RCM Series products are fully isolated and highly efficient over a broad operating range of input and output voltages.

In addition, their compact size and ease of installation make them uniquely suited for various rolling stock applications, such as cab radios, HVAC systems, train control, passenger information systems, toilet systems, illumination and many others.

RCM Series are fully compliant with international railway standards EN 50155, EN 50121-3-2, EN45545-2 and North American AREMA requirements. In addition, the RCM Series is safety approved to the latest edition of IEC/EN/UL 60950-1.

Nominal on-board battery voltages from 24V to 110V are covered by two input ranges and converted into a fully regulated and isolated single output voltage of 12V or 24V. The converters can operate in a convection cooled environment at temperatures from -40° to 85°C.

All PCBs are conformal coated and protected against humidity and pollution, which occurs during typical lifecycles of more than 20 years of rolling stock equipment.

The converters are fully protected against overload, over-voltage, overheating, under voltage, no-load and short circuit with automatic recovery.

Additional features include integrated hold-up capacitors for 10ms interruption, ORing FET and passive current share for parallel and redundant operation, as well as remote voltage adjust, enable and fail signal.

These innovations make the RCM 150W and 300W DC-DC converters ideal for a broad range of applications in the global railway market.

RCM150 units are currently in stock with Digi-Key, and RCM300 units are expected to be available in April.

The company is part of the Bel group (NASDAQ: BELFA and BELFB) and premier global manufacturer of power management devices.

Fill out the enquiry form for more information.

Power in railway rolling stock originally involved traction, lighting and rudimentary signalling with typically raw 110VDC from the on-board batteries.
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