GE Lighting Stepdown Autotransformer. 250W Max.
Non-Isolated Autotransformer is designed specifically for lighting applications to step down 480V to 277V or 347V to 200V with universal voltage 120-277V ballasts. It offers precision-wound coils, to ensure even heat dissipation and the highest electrical integrity. For use with one or more electronic or universal voltage ballasts within max total system power of autotransformer. This autotransformer is ideal for loads with total system power. Its internal Auto Reset Thermal Protector is rated 100C.