This remote magnetic transformer converts standard 120 or 277 volt line-voltage to 24 volts, providing the necessary voltage for powering a MonoRail, Kable Lite, Wall MonoRail or FreeJack low-voltage lighting systems. This transformer can be used to power lamps totaling up to 300 watts and 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.