PHILIPS ADVANCE PHILIPS ADVANCE 400 W, 1 Lamp HID Ballast W, eatherproof

HID Ballast Weatherproof, Ballast Lamp Type High Pressure Sodium, Ballast Start Type Pulse, Ballast Max. Lamp Watts 400, ANSI Code S51, Input Watts 464, Ballast Voltage 480, Ballast Family HID Magnetic, Ballast Type Enclosed, Number of Lamps 1, -40 Degrees F Min. Starting Temp., Hz 60, Operating Amps @ 480V 1, Insulation Class H, Thermal Protection No, Width 6-3/8 In., Height 11-1/3 In.