The 120 to 277V step up autotransformers are designed especially for lighting applications, typically used in conjunction with 277V LED Drivers, T-5 or T-8 Electronic Fluorescent Ballasts, Electronic HID and Plasma/Induction Ballasts in Industrial and Commercial applications.


  • Input Voltage: 120V, 60 Hz
  • Output Voltage: 277V, 60 Hz
  • Insulation Rating: 130ÂșC Class B
  • 500VA rating
  • Non-isolated Autotransformer