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The OSRAM 49838 is a 2 lamp low factor instant start T8 fluorescent ballast.  The OSRAM QHE 2X32T8/UNV ISL-SC-B T8 fluorescent ballast is 120/277 volt (universal voltage), high efficiency, low ballast factor for F32T8 fluorescent lamps.  The QHE 2 lamp T8 ballast comes in a small can enclosure for low profile light fixture designs.  Wire leads included.  Also known as OSRAM Sylvania 49838 and OSRAM Sylvania QHE 2X32T8/UNV ISL-SC-B

 Brand: OSRAM
Starting Factor: Instant Start
Light: Fluorescent Ballast Factor: Low
Lamp: F32T8, F17T8 Power Factor: >0.97
Lamp #: 2 Frequency: 50/60Hz
Length:    9.47" Voltage: 120-277V
Width:    1.68" Connection: Parallel
Height:    1.18" Certifications: UL, ROHS



  • High Efficiency Systems over 90% efficient
  • Lamp Striation Control (LSC)
  • Over 100 LPW (lumens/watt)
  • Lowest power T8 I.S. Systems (49W)
  • 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


  • 5 year limited Manufacturer Warranty
  • 30 day Seller Warranty


QHE Low Factor Specifications