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Martek’s New Railway Qualified dc/dc converter series

Martek Power has launched a dc/dc converter designed to satisfy the majority of rolling stock dc power applications with a single unit. As a result, users are able to specify the same power supply no matter what the input voltage demanded by the application.

The CCR050 series dc/dc converters accept a nominal input voltage range from 24 to 110Vdc (16.8 to 137.5Vdc) and provide up to 50W. Nominal output voltage is 24Vdc; models with alternative output voltages are available on request. Efficiency levels are better than 85% at 72V input voltage.

The devices comply with the requirements of EN50155 for railway applications, including EN 50121-3-2, EN55011 and EN 61373.

Key features include reverse input voltage protection, over voltage protection, permanent short circuit protection and inrush current limitation. Operating temperature range is -40 to 70ºC without derating.

CCR050 Series converters feature faston terminals for both input and output connections and are available open frame or housed in a simple metal enclosure. The open frame version measures 105 x 100 x 35.5mm.

Author
Martek Power

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