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  1. Bel Power Solutions
27 April 2018

Bel Power Solutions Releases Melcher™ RCM Chassis-Mount DC-DC Converters

Bel Power Solutions and Protection has released the RCM500 (500W) and RCM1000 (1000W) chassis-mount DC-DC converters to provide compactness and high reliability for railways.

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

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 to 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 72V to 110V are covered by two input ranges and converted into a fully regulated and isolated single output voltage 24 V. The converters can operate in a convection and conduction cooled environment at temperatures from -40° up to 85°C.

All PCBs are conformal coated and protected against humidity and pollution which occurs during typical lifecycles of +20 years of rolling stock equipment. The converters are fully protected against over-load, voltage, temperature, under voltage, no-load and short circuit with automatic recovery.

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

These innovations make the RCM 500W and 1000W DC-DC converters ideal for a broad range of applications in the global railway market.

RCM500 and RCM1000 units are currently in stock with a number of online distributors.

For more detailed product information, fill out the enquiry form.

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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