Robertson RSW3240C120WS /A Circline 2x40W Ballast - With Socket

The Robertson RSW3240C120WS /A is a Magnetic Ballast that operates (1) FC8T9 lamp 120 at 120V This ballast is great for areas that require normal lighting! Preheat Rapid start ballast is typically used in offices, board rooms, and retail. Also operates FC12T9, and Fluorescent lamps.     Specifications Type: Electronic Circular Fluorescent Start Method: Preheat Rapid Start Lamps: one FC8T9 Input Voltage: 277V Lamp Wiring: Series Features Crest Factor: 1.7 Maximum Temperature:  90° Sound Rated Class A 40% power factor 2 years warranty     Dimensions Length: 6.47" Height: 1.03" Width: 1.88" Compliance UL & cUL Listed Class P, Type 1 Outdoor ANSI C82.1 FCC Part 18 class B consumer