Sylvania QuickTronic® ProStart® T5HO 4-Lamp Electronic Ballast, 347 - 480 V (51481)

QuickTronic® ProStart® T5HO 4-Lamp Electronic BallastAllows operation in industrial applications using a 480V AC system, eliminating the need to rewire existing 480V installations or to drop the voltage by using expensive and bulky transformersSpecifically designed for high ambient temperature applications of up to 90°, making them an ideal choice for settings such as industrial high-bay lightingRoHS compliant and features lead-free solder and manufacturing process"Switching" ballast is designed to switch from 4 to 2-lamps, 3 to 2-lamps, 3 to 1-lamp or 2 to 1-lampSwitching feature can be used with control interfaces, including occupancy sensors