Keystone’s 480V to 277V Step-Down Auto-Transformers are designed to step down 480V to 277V single-phase power. These transformers
enable consumers to utilize common universal voltage (120-277V) electronic ballasts in applications where the main facility power is 480V.
Features
- Input Voltage: 480V
- Output Voltage: 277V
- Max Power: 250W
- Maximum Load: 250VA
- Non-Isolated Autotransformer
- For Use with LED, T5, T8, CFL, or Electronic HID Ballast Operating at 277V Input Voltage
- Insulation Rating: 105ºC Class A
- Thermally Protected
- No Load Power Consumption < 7W
Dimensions
- Length: 9.45"
- Width: 1.7"
- Height: 1.2"
Warranty
- 5-Year warranty
Documents
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