Electronic Ballast, Programmed Ballast Type, T8 Lamps Lamp Type, Programmed Start Type, Number of Lamps 3 or 4, 120/277 Voltage, 1.27 to 0.26 Amps AC, 144 To 67 Input Watts, 0 Min. Starting Temp. (F), 1.18 Ballast Factor, Greater Than 0.98 Power Factor, Less Than 10 Total Harmonic Distortion ( Percent), Multi-Volt Special Features, High Light Output, UltraStart Ballast Family, Parallel Wiring Type, 9-1/2 Length (In.), 2-3/8 Height (In.), 1-9/16 Width (In.), Dimension Reference G10

Electronic Ballasts and Step Down TransformersMin. starting temp.: -20°F (except ProLine® models are 0 °F, No. 3APT8 is 50°F).RoHS compliant.UltraMax® Instant StartNEMA Premium high-efficiency (except Nos. 3CB72 and 3CB73). Up to 44% more energy savings over standard electromagnetic T12 ballasts. Multi-Voltage Control (MVC) adapts automatically to voltages from 108 to 305V, while a thermal foldback circuit protects the ballast from overheating. Anti-Striation Control assures better light quality. UL Type CC Anti-Arc Rating protects against arcing.