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Power supply for rolling stock can be critical, especially in emergency-related applications such as HVAC (heat ventilation and air conditioning) systems, where a ventilation circuit is needed for safety and passenger comfort reasons when a train loses its main power source (catenary or diesel motor) in the middle of the route.

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Power solutions under extreme temperature
At Premium, we develop and manufacture power supplies for all kinds of applications and every project is a challenge for us. Sending one of our products to the stratosphere at 32.000 meters and -57ºC confirms the high reliability of our energy conversion systems.  

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