MTM Power offers their HVC DC/DC converters with 250 W for railway applications. Available with an input range of 420Vdc to 1100 Vdc with an isolation up to 8 kVAC, and a standard output voltage of 24 VDC. Intended for 600 V / 750 V like 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. 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 88 % and the dimensions of 330 x 170 x 87 mm allow an operation without forced ventilation. Moreover the converters work within an ambient temperature range from -40…+85 °C to EN 50155.
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