PLEASE NOTE DIFFERENT COLOR/FINISH MAY BE PICTURED. 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 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. 300W Bulb s Bulb s Not Included Input Voltage 277V Output Voltage 24V System Monorail ETL Safety Rated Overall Dimensions 10.6 L x 4.3 W x 4.1 H Item Weight 9.02 lbs.