OSRAM Sylvania 49971 QHE 4X32T8/UNV ISN-SC-B Instant Start 4 Lamp T8 Ballast

OSRAM 49971 is an instant start normal 4 lamp T8 ballast.  The OSRAM QHE 4X32T8/UNV ISN-SC-B T8 fluorescent ballast is 120/277 volt (universal voltage), high efficiency, instant start, normal ballast factor for F32T8 fluorescent lamps.  The QHE series 4 lamp T8 ballast comes in a small can enclosure for low profile light fixture designs.  Wire leads included.  Also known as OSRAM Sylvania 49971 or OSRAM Sylvania QHE 4X32T8/UNV ISN-SC