Keystone Lighting KTAT-70-480-277-RJS 70W Step Down Auto Transformer

Keystone’s step down transformers are ideal for powering down from a 480V or 347V system to a 277V system, rated up to 375W. Utilizing a precision wound core and coil integrated design, these auto transformers provide a safe and reliable solution for effective power conversion to use standard 277V or multi-voltage lighting ballasts. Keystone’s step down auto transformers are non-isolated, making them compact and lightweight compared to isolated transformers.