OSRAM 49971 is an instant start normal 2 lamp T8 ballast. The OSRAM QHE 4X32T8/UNV ISN-SC 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

Brand:	OSRAM	Starting Factor:	Instant Start
Light:	Fluorescent	Ballast Factor:	0.88
Lamp:	F32T8, F17T8	Power Factor:	>0.97
Lamp #:	4	Frequency:	50/60Hz
Length:	9.47"	Voltage:	120-277V
Width:	1.68"	Connection:	Parallel
Height:	1.18"	Certifications:	UL, ROHS

Features

High Efficiency Systems over 90% efficient
Lamp Striation Control (LSC)
Over 100 LPW (lumens/watt)
Lowest power T8 I.S. Systems
Universal voltage (120-277V)
Small Can enclosure size
Min. Starting Temp: -20°F(-29°C) for T8 lamps
<10% THD
Virtually eliminates lamp flicker
Lead-free solder and manufacturing

Warranty

5 year limited Manufacturer Warranty
30 day Seller Warranty

QHE series ballast specification sheet