T8 electronic ballast 1)power voltage: 220v 2)power requency: 50-60hz 3)power actor: 0.98 4)coecient: 0.95 5)thd: n15% 6)c: n1.7 8)speciications: 1 x 18w, 2 x 18w, 3 x 18w, 1 x 30w, 2 x 30w, 3 x 30w, 1 x 36w, 2 x 36w, 3 x 36w, 1 x 58w, 2x58w, etc 9) metal housing We can manuacture dierent sizes and speciications o Electronic ballasts according to customers' request.