2×4 panel 50W

LED light fixtures are an ideal solution for illuminating parking garages, storage areas, stairwells, and other applications requiring low-profile lighting that can be surface or pendant mounted. High-efficacy, long-life LEDs provide both energy and maintenance cost savings compared to traditional lighting with HID, fluorescent or incandescent lamps.

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Standard Features

  •  Low profile architectural grade design
  • Fits standard t-grid ceilings
  • Suitable for surface or suspension mount with optional accessories
  •  High quality laser etched PMMA resin light guide plate offers optimal light diffusion with no risk of yellowing over product lifetime
  •  Powered by Keystone 0-10V dimming LED driver with built-in junction box
  •  Eligible for DLC multiple listing
  •  7 year warranty
  •  60,000 hour rated life
  •  Over 50% energy savings as compared to traditional fluorescent troffers
  •  LED color binning within 4 SDCM ensures excellent color consistency between all panels
  •  Operating temperature range: -20ºC/-4ºF to 40ºC/104ºF
  •  Ready for use with Keystone SmartSafe LED emergency back-up drivers SL-EMRG-LED-5-500-EN/DF and SL-EMRG-LED-12-1200-EN/DF
  • cULus listed


  • Mounting: surface or suspension mount (see optional accessories)
  • Lumen targets
  • Frame colors

Product Specs

2x4 panel 50W ordering information

catalog numbervoltagewattagecolor temperaturelumen outputCRIpower factorefficacy
SL-LED-24-50-835120-277V50W3500K5100>81.6>0.9102 lm/W
SL-LED-24-50-840120-277V50W4000K5200>81.6>0.9104 lm/W
SL-LED-24-50-850120-277V50W5000K5300>81.6>0.9106 lm/W

accessories ordering information

catalog numberdescription
SL-PLED-SM-24-KITsurface mount kit for (1) 2x4 LED panel light
SL-PLED-EM-BR-KITbracket kit for mounting emergency LED back-up to LED panel lights
SL-PLED-CABLE-KITcable hanging kit for LED panel lights (includes 3 cable sets)

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Power Distribution Designed For Your Next Project!

  • Powered USB
  • Tamper-resistant
  • Surge Suppression available on most units
  • Custom module configurations
  • Available in 10 outlet & powered USB combinations
  • Available in 7 colors
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  • Continuous illumination
  • Exceptionally thin
  • Available in five lengths
  • Available in four standard color temperatures
  • Simple to install
  • UL/cUL listed
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