Keystone KT-LED13T8-48G-8CSJ-X3 – 48″ 13W T8 LED – 3K/35K/4K/5K/65K – Single Or Double-Ended Line Voltage – Ballast and Line-Voltage Compatible


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SKU: KT-LED13T8-48G-8CSJ-X3 Category: Tags: , ,


The Keystone 13W T8 4’ LED Lamp, is the most versatile T8 lamp to date. Offering customizable brightness with color temperature options ranging from 3000K to 6500K, while exceeding 80 CRI for true-to-life colors. Engineered for efficiency, this lamp consumes minimal energy yet delivers exceptional brightness, compatible with both single- and double-ended line voltage wiring for easy installation. With compatibility with ballast and line voltage systems, enjoy seamless integration into any setup, ensuring consistent performance and reliability in every application.


  •  Keystone Color Select technology (3000/3500/4000/5000/6500K)
  • 13 Watt
  • G13 (Medium Bi-Pin) Base
  • Replacement for conventional fluorescent lamp
  • Plug & Play application: Compatible with most instant- and programmed start electronic T8 ballasts
  • Bypass ballast application: Runs on 120–277 line voltage wired Single- or double-ended
  • Compatible with most instant- and program-start electronic T8 ballasts. (Contact Keystone for Ballast Compatibility List)
  • Instant startup
  • Frosted glass lens eliminates pixelation
  • Approximately 60% more energy-efficient than standard F32T8 lamps
  • Environmentally friendly: No mercury used
  • 135+ Lumens per Watt
  • Integral driver (isolated) eliminates the need for external driver or ballast
  • Not compatible with fluorescent fmergency ballasts or Keystone AC EM drivers; Keystone K1 kits are recommended for emergency applications
  • Not rated for use in Vapor Tight style fixtures
  • Meets FCC Part 15, Class B
  • NSF Listed: NSF/ANSI Standard 2—Food equipment, splash zone (not for direct food zone without additional fixture considerations)
  • 50,000+ hour lifetime
  • UL Classified
  • Lamp is dimmable in Type B mode when used with an appropriate dimming accessory (purchased separately). Contact Keystone for more details to find out what is best for the intended application.
  • Dimmable with compatible dimming ballasts (See Compatibility List)
  • 5-Year factory warranty

* For use in non-fire rated installations only


Download Specs Sheet

Additional information

Weight 24 oz
Dimensions 47.20 × 1.1 × 1.1 in


Color Temp


Input Voltage




LED Chip Lifetime

50,000 Hours

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