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.
| Power | 70 Watt |
|---|---|
| Voltage | 480V/347V |
| Warranty | 5 Years Warranty |
| Certifications | UL/CSA Listed |
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