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LED Troffer Retrofit Kit

The TDK retrofit kit easily and efficiently converts existing fluorescent troffers to LED technology. The LED technology ensures long-term performance and will reduce energy consumption. By utilizing the existing fixture housing, the lensed kit comes completely assembled right out of the box to quickly perform the change out in minutes without disturbing the ceiling. (TDK1)

Product Specs

Color Temperatures: 

3000K, 3500K, 4000K, 5000K, Selectable CCT

Max Lumens:





21W, 25W, 29W, 30W, 40W, 50W

Additional Options:

Tunable White, Circadian Rhythm Control, Daylight Harvesting, Bluetooth Controls, Occupancy Sensor, Air Return, Battery Backup, Emergency Driver


Surface Mount Kit, Drywall Flange Kit, T-Bar Kit, Lift Rail Kit, Wall Control Dimmer


Product Details

Key Features

  • Completely assembled as a lensed kit to easily convert an existing fluorescent troffer to LED without disturbing the ceiling.

  • Available in 1x4, 2x2 & 2x4 models.

  • Optional integrated motion sensor with daylight harvesting (Smart Blu™).


  • Housing is constructed of 22 gauge steel for exceptional durability.

  • Pre-painted white finish is standard for the highest reflectance.

  • Frosted ribbed acrylic lens is designed to maximize lumen output and minimize glare.


  • 120-277VAC input.

  • 0-10V dimming standard (Mark 7 interface).

  • Operating temperature: -40°C to 40°C (-40°F to +104°F)


  • Industry leading LEDs with 3000K, 3500K, 4000K, and 5000K CCT (minimum 80 CRI).

  • Selectable CCT option available (Smart Blu™).

  • Lumen Maintenance >161,000 hours (L70)


  • Lightweight and easy to install in standard T-Grid ceilings.

  • Surface mounting optional with mounting kit accessory (sold separately).


  • Backed by US LED’s industry-leading Ten-Year Warranty.

Stocked Configurations

TDK in-stock configurations are subject to change at any time. Please contact our customer service team for the most recent list of stocked configurations.

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