Topaz 77288 L4T8D/850/12/F-70 12.5 Watt 4ft T8 Frosted LED Tube 5000K Dual Mode 120-277V (12 Pack)


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Topaz 77288 L4T8D/850/12/F-70 12.5 Watt 4ft T8 Frosted LED Tube 5000K Dual Mode 120-277V (12 Pack)

Significant Energy Savings and Seamless Light Distribution

Topaz’s Dual Mode LED T8 tubes offer maximum flexibility by simplifying the choice of an LED tube for retrofit or new construction. These direct replacement plug-and-play lamps are compatible with instant start electronic ballasts, with the option to bypass the ballast for additional energy savings. The dual mode tubes are offered in two, three and four foot lengths for replacement of 17, 25 or 32 watt fluorescent T8 lamps.


  • Dual-mode, works with or without ballast
  • Compatible with instant start ballasts, Type A
  • Single-end bypass, Type B - Bypass Type B operation requires non-shunted lampholders
  • Dimmable when used with dimming ballast
  • Significant energy savings versus traditional fluorescents; average rated life of 50,000 hours reduces maintenance costs
  • Seamless, end to end 240° light emitting area and frosted finish for smooth appearance
  • Glass tube construction


  • Improved efficiency for commercial and industrial overhead lighting
  • Recommended for use in classrooms, offices, conference rooms and hallways
  • Suitable for use in enclosed fixtures


  • Input Voltage: 120-277V, 50/60 Hz
  • Avg. Rated Life: 50,000 Hours
  • THD: <20%
  • Power Factor: 0.9
  • Beam Angle: 160° with 240° Light Emitting Area
  • CRI: 80 Ambient
  • Operating Temperature: -4°F to 104°F
  • Base: G13 Medium Bi-pin
More Information
Manufacturer Topaz
upc 751338032422