This remote magnetic transformer converts standard 120 volt line voltage to 12 volts, providing the necessary voltage for powering MonoRail, Kable Lite, TwinRail, Wall MonoRail or FreeJack low-voltage lighting system. This remote magnetic transformer can be used to power lamps totaling up to 300 watts. This transformer is equipped with fast-acting secondary circuit breaker that will safely turn off the system should a short occur. Once the short has been removed the breaker can be reset.