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by Columbia Lighting 

Catalog ID: SLK24-40MWHE-EDU

LED TrofferConversion Kit Size Type: 2x4, Color Temperature: 4000 K, Lumen Output Category: medium low watt high efficacy, Mounting Type: Recessed, Lens Type: curve shielding, Driver type: 0-10V dimming, Voltage Rating: 120-277 VAC.

  • Contemporary style LED retrofit for existing 2x4 prismatic or parabolic troffers with a depth of 3 1-8" or greater
  • Fully integrated hinged door assembly that allows for easy installation and rapid troffer conversion
  • Reduces job site waste by reusing existing fixture housing
  • High efficiency acrylic center lens features linear prisms for high performance without pixelation
  • Matches LCAT aesthetics for applications with new and existing construction
  • 60,000 hour LEDs at L80 (up to 150,000 hour projected life) for reduced maintenance
  • SpectraSync™ Color Tuning Technology available
  • NX Distributed Intelligence™ wired controls capability available
  • Integral battery pack optional on most models
  • DLC® (DesignLights Consortium) Qualified, with some Premium Qualified configurations - see www.designlights.org
  • Five year warranty (Terms and Conditions Apply)

Product Details


  • Commercial Indoor
  • Classrooms and Offices
  • Halls/Dorms
  • Conference Room
  • Meeting Room
  • Common Areas
Color White
Color Temperature 4000 K
Construction Material - Main Steel
Controls - Networked NX Distributed Intelligence
Dimming Protocol
  • 0-10V
  • Lutron EcoSystem Digital
  • Step-dimming
Dimming Range
  • 1%
  • 5%
Driver type 0-10V dimming
Environmental Conditions Damp Location
Fixture Renovation Yes
LED Upgrade Kits Yes
Lamp Type LED Integrated
Light Output 3888 lm
Light Source LED
  • UL
  • UL 1598
  • UL 2108
  • CSA
Mounting Type Recessed
Size Type 2x4
SpectraSync™ Color Tuning Tunable White
Type Fixture Renovation Kits
UPC 078531131685
Warranty Length 5 Year Warranty
createchange Yes


Weight 20 lb

Electrical Ratings

Voltage Rating 120-277 VAC
Wattage 31 W

Certifications and Compliance

Certified Listed CSA certified to UL 924 standards
DLC Designation DLC® (DesignLights Consortium) Qualified, with some Premium Qualified configurations - see www.designlights.org
Energy Efficient Yes
Industry Standard(s)
  • CSA
  • UL 1598
  • UL 1598 Damp Location
  • UL 2108


Pallet Quantity 20



The SLK is a retrofit door kit with a contemporary appearance and LED efficacy.

Availability Documents