Step Down and Step Up Lighting Auto Transformers

The commercial electrical contractor’s source for step up and step down lighting autotransformers and equipment. Compare and buy stepdown, step-up, ballast, lighting auto transformers for your commercial lighting project or retrofit.
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Step Down

The 480V-347V to 277V ATX Series step down autotransformer is designed especially for lighting applications, typically used in conjunction with 277V Induction Electric Ballasts, T-5 or T-8 Electronic Fluorescent Ballasts, LED Drivers, or Electronic HID Ballasts in Industrial and Commercial applications. We have 125VA, 245VA, and 460VA models.

Step Up

The 120:277V Series 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.

To ensure consistent, high-quality and safe performance from in commercial lighting applications using LED drivers, induction ballasts, fluorescent ballasts and electronic HID ballasts, step down and step up lighting auto transformers match the lighting equipment to the available voltage. Our full selection of autotransformers includes step down models from 480V to 277V, 347V to 277V as well as 120V to 277V step up models. Also available are a range of low voltage transformers in a variety of wattage options.