49879 | QHE 2x59T8/UNV ISH-SC 120/277V 2 Lamp T8 Ballast, 59W, 120/277V

Sylvania 49879 2 Lamp 59W ballast is T8 fluorescent for 120/277 volt applications. The QHE 2x59T8/UNV ISH-SC is a high efficiency, instant start, high ballast factor fluorescent ballast.  SYLVANIA QUICKTRONIC High Efficiency (QHE) energy savings electronic T8 ballasts save up to 6% wattage over standard electronic ballasts without compromising light output or lamp life.  The RoHS compliant ballast features a new small can and feature lead-free solder and manufacturing process.