Retrofit LED Strip with Diffused Lens (SDLRK) 


The retrofit SDLRK is designed with tooless entry features saving time and money on installation. A factory installed optional bracket can be field adjusted to fit existing housings. Optimizing industry leading LED technology, the SDLRK series delivers unparalleled performance and efficiency meeting stringent energy requirements. The frosted lens delivers high vertical illumination offering 3000K, 35000K, 4000K and 5000K color temperatures. Innovative programmable drivers offer expansive lumen packages and comes standard with 0-10V dimming down to 1%. Designed with uncompromised aesthetics, the high-performance luminaire is well suited for commercial, industrial, retail and residential applications.

  • Available in 4’ and 8’ product configurations
  • Optimized performance and efficiency up to 147 Lpw (SDL model) and 159 Lpw (S model)  
  • Expanded lumen packages ranging from 1500 to 18000
  • 80CRI with choice of color temperatures 3000K, 3500K, 4000K and 5000K
  • Standard universal voltage (120-277V) driver; 0-10V dimming to 1%
  • Limited 5-year warranty
Applications Resources & Photometrics
Name Files

SDLRK Photometric IES Files

Description:  Updated 9/25/2019


SDLRK LM-79 PDF Reports

Description:  Updated 9/25/2019


Reference our Product Specification Sheets and Installation Instructions concerning any limitations that would restrict the use of the IES Design files and LSI Industries Lighting Calculation Tools for specific applications.

LSI Industries (All IES Files)

Description: Updated 6/24/2020 (17mb)


LSI Outdoor LED Fixt. BUG Summary

Description: Updated 6/19/2020




LSI Industries Revit Files

(All Revit Files)

Description: Updated 5/15/2020 (91mb)


LSI Revit Family User Guide

Description: Updated 1/15/2020

(Guide for using LSI REVIT Families & IES Files)




ROI Calculators

(Single & 5 Fixture)  (Excel format)

Description: Updated 6/22/2020


LED Fixture Images

Description: Updated 1/29/2020 (71mb)


Application Request Form

Description: Updated 4/18/2018




Specification Sheets
Installation Instructions
Lighting Calculator Tools