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Bel Power Solutions Announces Melcher™ RCM Chassis-Mount 500 W and 1000 W DC-DC Converters for Railway Applications

26 April 2018

Bel Power Solutions and Protection, a Bel group company and global manufacturer of power management Source: Bel Power SolutionsSource: Bel Power Solutionsdevices, announces the RCM500 (500 W) and RCM1000 (1000 W) chassis-mount DC-DC converters, which are designed for railway applications where compactness and high reliability are required. 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 72 V to 110 V 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 500 W and 1000 W DC-DC converters ideal for a broad range of applications in the global railway market.

RCM500 and RCM1000 units are currently in stock with Mouser, Digi-Key and Arrow, as well as other online distributors. For more detailed product information, download the RCM 500/1000 Series datasheet or visit the product page. For technical inquiries, send an eMail to Tech.Support@psbel.com or call 866-513-2839 for North America and +49 6172 95520 for EMEA.

To contact the author of this article, email engineering360editors@ieeeglobalspec.com


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