Starfire Lighting Low Voltage Power Supply 120/277 12.5A 24V 300W 300VA 1 Breaker Input: 120v/277V - 300W 300VA Single output Secondary Voltage: 24V Transformer can be loaded up to the maximum rating Epoxy encapsulated transformer resulting in silent operation, eliminating long term corrosion and rusting at the connections Auto resettable in-line primary overload protection