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Description

GLT TR22-36L-50K TR Series LED Troffer — 2×2 — 30W — 5000K — White

The GLT TR22-36L-50K is a 2×2 recessed LED volumetric troffer from the GLT TR Series, designed as a low-profile direct replacement for 2×2 fluorescent fixtures in commercial and institutional grid ceiling applications. The fixture delivers 3,500 lumens at 30W with 125 lm/W efficacy at 5000K (cool daylight) color temperature. It supports 0–10V continuous dimming (10–100%), operates on 120–277V, is UL and cUL Listed for damp locations, DLC Listed, and carries a 5-year warranty.

Key Features

  • Lumen Output: 3,500 lumens at 30W / 5000K.
  • Efficacy: 125 lm/W.
  • CCT: 5000K (cool daylight).
  • CRI: 80.
  • 0–10V Dimming: Continuous 0–10V dimming, 10–100% range. Compatible dimmer required, sold separately.
  • Voltage: 120–277V universal voltage driver.
  • Power Factor: >0.90.
  • Damp Location Rated: UL and cUL Listed for damp location installations.
  • DLC Listed: Qualifies for utility rebate programs.
  • Rated Life: L70 50,000 hours.
  • Warranty: 5-year limited manufacturer warranty.
  • Low Profile: 3.62″ depth — direct replacement for standard 2×2 recessed fluorescent frames.

Performance & Light Output

Wattage Lumens Efficacy (lm/W) CCT CRI
30W 3,500 lm 125 5000K 80

Power factor: >0.90. Dimming range: 10–100% (0–10V).

Electrical

Voltage: 120–277V. Dimming: 0–10V continuous, 10–100%. Power factor: >0.90. Operating temperature: −20°C to +50°C (−4°F to +122°F). Damp location rated. Mercury-free.

Construction

Housing: Low-profile steel troffer housing with volumetric optics for soft, uniform light distribution.

Finish: White.

Mounting: Installs into existing recessed 2×2 T-grid ceiling frames — direct fluorescent replacement, no new frame required.

Dimensions: 23.78″ L × 23.78″ W × 3.62″ H.

Installation & Mounting

Standard Mounting: Installs into existing recessed 2×2 T-grid ceiling frame — no new frame required. Direct replacement for 2×2 fluorescent troffers.

Wiring: 0–10V dimming leads included. Compatible 0–10V dimmer required, sold separately.

Certifications & Rebates

  • UL and cUL Listed — Damp Location
  • DLC Listed — qualifies for utility rebate programs. To verify rebate eligibility with your utility provider, visit designlights.org and search by model number TR22-36L-50K-D10.
  • RoHS Compliant

Typical Applications

  • Office and open-plan workspaces — 5000K cool daylight CCT supports alertness and visual clarity in task-intensive environments
  • Retail interiors — high efficacy and bright output deliver energy-efficient, even illumination across sales floors
  • Classrooms and educational facilities — low-profile design drops directly into existing 2×2 fluorescent frames for a simple, cost-effective upgrade
  • Healthcare and clinical spaces — 5000K CCT and CRI 80 support accurate visual assessment in exam and treatment rooms
  • Corridors and common areas — L70 50,000-hour rated life reduces maintenance overhead in high-uptime commercial environments

What’s Included

  • GLT TR22-36L-50K TR Series LED troffer fixture — 2×2 — White
  • Mounting hardware for recessed T-grid installation

Specifications

Dimensions

Length/Depth
23.78 in
Width/Diameter
23.78 in
Height
3.62 in
Weight
11.75 lb

Documents

Style & Materials

Material
Steel

Characteristics & Features

Lamp Color
5000K
Color Rendering
80 CRI
Delivered Lumens
3600
Dimmable
Yes

Electrical Information

Voltage
120-277V
Total Wattage
30W

Item Details

MPN
TR22-36L-50K-D10
Brand
GLT
Family
GLT Troffer TR
UPC
680087982392

Warranty & Certifications

Product Warranty
5 Years
Lamp Life
50,000 Hours
Product Rating
Damp Rated

Shipping & Returns

Shipping: Enjoy free standard shipping on most orders over $99. Exclusions apply for oversized & commercial items. We ship to the contiguous 48 United States.

Returns: We offer a 60-day return window for most items. Products must be in their original, unused condition with all packaging. Exclusions: Special orders, clearance, and custom items.

See Full Shipping Policy | See Full Return Policy

Frequently Asked Questions

What are the light output and efficacy of the GLT TR22-36L-50K?

The TR22-36L-50K delivers 3,500 lumens at 30W with 125 lm/W efficacy at 5000K. CRI is 80.

Is the GLT TR22-36L-50K a direct replacement for my existing 2x2 fluorescent troffer?

Yes — the TR22-36L-50K is designed to install directly into existing recessed 2×2 T-grid ceiling frames. No new frame or ceiling modification is required, making it a straightforward drop-in replacement for 2×2 fluorescent troffers.

Is the GLT TR22-36L-50K DLC Listed?

Yes — the TR22-36L-50K is DLC Listed, qualifying it for utility rebate programs. To verify rebate eligibility with your utility provider, visit designlights.org and search by model number TR22-36L-50K-D10.

What dimming does the GLT TR22-36L-50K support?

The TR22-36L-50K supports continuous 0–10V dimming with a 10–100% dimming range. A compatible 0–10V dimmer switch is required and sold separately.

What is the warranty and rated lifespan of the GLT TR22-36L-50K?

The TR22-36L-50K carries a 5-year limited manufacturer warranty. The LED is rated at L70 50,000 hours at standard operating conditions.
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