E454T5PS120-277/N/HO/XTRM, 120V-277V 60HZ Program Start Electronic Ballast.Lamps: F54T5, PLL50T5, PLL55T5 (1,2,3,4 lamp s); F39T5 (2,3,4 lamps).Wiring Type: Series
Power Factor: 0.99
Ballast Factor: 0.88 - 1.06
Dimensions: 1 2.8L x 2.52W x 1.18H
Listing: UL, CUL