HID Ballast Kit, Core And Coil, High Pressure Sodium Lamp Type, Number of Lamps 1, 1000 Lamp Watts, S52 ANSI Code, 1102 Input Watts, 120/208/240/277/480 Input Voltage, 60 Hz, 9.5 Operating Amps @ 120V, 5.5 Operating Amps @ 208V, 4.7 Operating Amps @ 240V, 4.1 Operating Amps @ 277V, 2.4 Operating Amps @ 480V, Insulation Class H, Min Starting Temp -40 F, Length 6 In, Width 3 3/4 In, Height 4 1/4 In, Includes Capacitor, Core And Coil, Mounting Bracket and Hardware