The primary switched DC/DC converters of MTM’s PCMDS150WK-IP65 range are specially designed for applications in vehicle and rail technology and also for use in industrial and telecommunication applications.
The 150 W converters are available with a wide input range for battery voltages of 24, 36, 48, 60, 72, 80 96 and 110 V in accordance with EN 50 155. With the help of a transformer and a secondary linear choke, a galvanically isolated output voltage of 24 V is produced, which is adjusted by pulse-width modulation according to the current-mode principle. The 192 x 115 x 68 mm (length x wide x height) modules exhibit thermo-selective vacuum encapsulation, which guarantees uniform heat dissipation within the modules as well as excellent resistance against environmental influences such as shock, vibration and moisture.
The converters are suitable for applications with protection degree IP65, require no ground load and are short-circuit protected by primary and secondary power limiting. They are maintenance free, prepared for use in devices with protection class II and fulfil the low voltage directive. The modules employ a mechanically and electrically rugged design using SMD technology and undergo an automatic piece-by-piece test. Cooling is achieved by free convection; converters without heatsink must be mounted on a heat-dissipating surface.
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