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24 June 2009

250W DC/DC High Voltage Converter for Operation at Contact Wire

MTM Power GmbH, the specialist for high-quality power supplies, offers in its programme DC/DC converters of the series HVC with 250W for railway applications. The devices are available with an input range of 420VDC to 975VDC and the standard output voltage of 24VDC. With these high voltage converters it is possible to supply electronic equipment out of 600V / 750V contact wire.

The DC/DC converters are used for supplying points, signal lamps and electronic monitoring of the rail net. The specific feature of the series HVC is its use as a self starting module for trams or trolley buses with exhaustive discharged batteries so that the towing process can be avoided. The rugged design together with high-quality components guarantee the high reliability in vehicles even under severe shock and vibration conditions. The high efficiency of 83% and the dimensions of 330mm x 170mm x 87mm allow an operation without forced ventilation. Moreover the converters work with an ambient temperature range from –40°C to +85°C acc. to EN 50 155.

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