Electronic Dimming Ballast, Fluorescent, Input Voltage: 120-277V, Programmed Start, Mark 7 0-10V Series. For use with the following Linear, 2-Lamp, Lamp Types: (2) FC12T5/HO, (2) F54T5/HO, (2) F54T5/HO/49W or (2) FT55W/2G11.
- Wattage: 55
- Volts AC: 120-277
- Wattage: 49
- Dimmable: Yes
- Light Technology: Fluorescent