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Keystone Technologies


15 Watt T8 SmartDrive LED U-Bend - Ballast Dependent - 4000K - 2,200 Lumens

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Convert your outdated fluorescent fixtures to LED with the Keystone KT-LED15T8-U6GC-840-S 15 Watt T8 LED U-Bend. This u-bend tube utilizes innovative Smart Drive technology, enabling it to run off the existing ballast, eliminating the need for full fixture replacement, while providing energy-efficient LED Lighting. It delivers an impressive 2,200 lumens of cool 4000K white light, throughout its 50,000 hour lifespan. Order your KT-LED15T8-U6GC-840-S today, or contact one of our lighting experts to learn more.

  • Compatible with Most Instant and Program Start Electronic T8 Ballasts
  • UL Classified
  • Direct Replacement for the Following Fluorescent Lamps: F32T8/32W, F32T8/30W, F32T8/28W, F32T8/25W
  • Environmentally Friendly: No Mercury Used
  • Plug and Play, Ballast Compatible
  • Frosted Lens Eliminates Pixelation
  • Operating Temperature: -20ºC/-4ºF to 45ºC/113ºF
  • 110+ Lumens per Watt (Bare Lamp Efficacy)
  • Suitable for Dry and Damp Locations
  • Improved Lamp Durability with Shatterproof Coated Glass
  • Rated hours 50,000
  • 5 year warranty


Color Temperature

4000K Color Temperature Bar


cULus RoHS Compliant NSF DLC 5 Year Warranty



Brand Keystone Technologies
Manufacturer Part Number KT-LED15T8-U6GC-840-S
Case Quantity 12
Wattage 15 Watts
Input Voltage Ballast Dependent
Lumens 2,200
Lumens Per Watt 146.67
Lamp Type LED
Color Temperature 4000K
Color Tone Cool White
CRI >80
Beam Angle 220 Degrees
Base Medium Bi-Pin
Min Operating Temp -4 Degrees F
Rated Hours 50,000
Length 22.25"
Diameter 1"
Warranty 5 Years