Keystone Technologies 40-Watt 2-Lamp T12 4 ft. Rapid Start Electronic Fluorescent Replacement Ballast

Keystone Technology's T12 rapid start electronic ballast is designed to operate 2 T12 lamps. Featuring 120-Volt to 277-Volt input and high power factor design. See the document below for complete specifications including additional lamp wattages compatible with this ballast.|Sound rated: A|Maximum case temperature: 194 degree F, 90 degree C|Meets FCC part 18 (class B) consumer limits|Meets ANSI standard C82.11-2005 and C62.41-2001|OCV: 300-Volt|UL, cUL Listed (class P, type 1-outdoor)