(4) Lamp - F54T5/HO - 120/277 Volt - Program Start - 1.0 Ballast Factor
Philips Advance programmed-start Centium ballasts for T5HO lamps are the optimal choice for a broad range of retail, commercial, institutional, and industrial applications including schools, offices, specialty and department stores, warehouses, and manufacturing. The Advance ICN4S5490C2LSG electronic fluorescent ballast operates (1 to 4) F54T5/HO lamps at 120/277 input volts.
Rated 5 out of 5 by wanu Great ballast for T5 bulbs
Ballast works great, Just note that the Grey/Red wire must be hooked up for all 4 lamps to light diagram on ballast itself is vague.
January 10, 2013