The AT150T 150 Watt, 12 Volt Remote Magnetic Transformer converts standard 120 Volt line voltage to 12 volt, providing the necessary voltage for powering Tech Lighting low voltage halogen lighting systems. The remote T150T magnetic transformer can be used to power lamps totaling up to 150 watts. 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. This transformer provides a single 150 watt output and must be used with a single-feed canopy or other power feed option (sold separately). 12 volt output transformers require the use of 12 volt lamps. 10.6 width x 4.1 inch height x 4.3 inch depth. Dimmable with a low voltage magnetic dimmer, sold separately.