GLT TR24-46L LED Troffer — 15/20/25/30/36/50W Selectable — 3000K/3500K/4000K/5000K — White
Available in stock (114)
About this item
About this item
- 15–50W Selectable Wattage: Field-select between six wattage steps — 15W, 20W, 25W, 30W, 36W, or 50W — via onboard switch to right-size output for the space. Replaces conventional 2-lamp F32T8 fluorescent troffers.
- Quad CCT Selectability: Choose 3000K, 3500K, 4000K, or 5000K in the field via onboard switch — one SKU covers warm-to-daylight tuning without re-ordering or restocking separate fixtures.
- 7,000 lm at 140 lm/W: Delivers up to 7,000 lumens at peak 50W with consistent 140 lm/W efficacy across all wattage settings — high-output performance in a standard 2×4 recessed form factor.
- DLC Listed: Qualifies for utility rebate programs in most U.S. markets — verify eligibility at designlights.org using model TR24-46L-30K40K50K-D10.
- 0-10V Dimming & 50,000-Hour Life: Flicker-free 0-10V dimming to 10% minimum. 50,000-hour rated lifespan with 5-year warranty reduces maintenance overhead in commercial grid ceiling installations.
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Description
Description
GLT TR24-46L 2×4 LED Troffer — 15/20/25/30/36/50W Selectable — White
The GLT TR24-46L-30K40K50K-D10 is a 2×4 recessed LED troffer designed for commercial grid ceiling applications including offices, healthcare, education, and retail. Wattage is field-selectable between 15W, 20W, 25W, 30W, 36W, and 50W, and color temperature is field-selectable between 3000K, 3500K, 4000K, and 5000K via an onboard switch — no tools required. At peak output, the fixture delivers 7,000 lumens at 140 lm/W and supports 0-10V dimming down to 10%. The fixture operates on 100–277VAC, is UL Listed for damp locations, and is DLC Listed, qualifying for utility rebate programs. At its maximum 50W setting it replaces conventional 2-lamp F32T8 fluorescent troffer fixtures.
Key Features
- Selectable Wattage: Field-adjustable between 15W, 20W, 25W, 30W, 36W, and 50W via onboard switch — no tools required, no rewiring, adjustable before or after installation.
- Fluorescent Equivalency: Replaces conventional 2-lamp F32T8 fluorescent troffer fixtures at maximum 50W output.
- Maximum Lumen Output: Up to 7,000 lm at 50W — delivering high output in a standard 2×4 recessed form factor.
- Peak Efficacy: 140 lm/W across all wattage settings — consistent efficiency at every power level.
- CRI: >80 across all wattage and CCT combinations for accurate color rendering.
- Selectable CCT: Field-adjustable between 3000K, 3500K, 4000K, and 5000K via onboard switch — quad color temperature options without re-ordering.
- Lens & Optics: Diffuse lens panel providing balanced direct-indirect illumination with minimal glare across the full 2×4 grid opening.
- Dimming: 0-10V dimming standard — flicker-free control down to 10% of full output. Compatible 0-10V dimmer required, sold separately.
- Voltage & Driver: 100–277VAC universal voltage, suitable for standard commercial electrical systems.
- Location Rating: UL Listed for damp locations — suitable for offices, corridors, stairwells, and other damp-rated interior environments.
- Certifications: UL Listed (damp locations) · DLC Listed.
- Rated Life: 50,000-hour rated lifespan for reduced maintenance in commercial installations.
- Warranty: 5-year manufacturer warranty.
Performance & Light Output
The TR24-46L delivers consistent 140 lm/W efficacy across all six wattage settings, enabling precise output tuning from 2,100 lm to 7,000 lm. At maximum 50W output, the fixture replaces conventional 2-lamp F32T8 fluorescent troffers.
| Wattage | Total Lumens | Efficacy (lm/W) |
|---|---|---|
| 50W | 7,000 lm | 140 |
| 36W | 5,040 lm | 140 |
| 30W | 4,200 lm | 140 |
| 25W | 3,500 lm | 140 |
| 20W | 2,800 lm | 140 |
| 15W | 2,100 lm | 140 |
CRI >80 across all wattage and CCT settings. Rated life: 50,000 hours.
Smart & Control Features
The TR24-46L supports 0-10V dimming, providing flicker-free light level control from full output down to 10%. A compatible 0-10V dimmer is required and sold separately. No integrated sensor receptacle or wireless control platform is included.
Electrical
Universal voltage driver rated for 100–277VAC. Efficacy is consistent at 140 lm/W across all wattage steps. Supports 0-10V dimming to 10% minimum. Mercury-free, RoHS compliant.
Construction
Housing & Thermal: Steel housing construction with integrated thermal management to protect internal electronics and support the 50,000-hour rated lifespan.
Lens & Optics: Diffuse polycarbonate lens panel providing balanced direct-indirect illumination with minimal glare across the full 2×4 grid opening.
Finish: White powder-coat finish.
Environmental & Safety: UL Listed for damp locations. Mercury-free, RoHS compliant.
Dimensions & Weight: 47.72" L × 23.74" W × 1.97" H (1212mm × 603mm × 50mm). Weight: 12.17 kg (26.83 lbs).
Installation & Mounting
Standard Hardware: Comes standard with wire rope safety protection hardware and mounting clips for recessed T-bar grid installation.
Mounting Options: Recessed installation into standard 2×4 drop/grid ceiling T-bar system.
Wiring: 0-10V dimming leads included for dimmer connection. Wattage and CCT selections should be made via onboard switch prior to or after installation.
Certifications & Rebates
- UL Listed — damp locations
- DLC Listed — qualifies for utility rebate programs. To verify rebate eligibility with your utility provider, visit designlights.org and search by model number TR24-46L-30K40K50K-D10.
Typical Applications
- Corporate offices and open-plan workspaces — balanced direct-indirect illumination with minimal glare supports sustained visual comfort across desk-intensive environments
- Classrooms and educational facilities — quad CCT selectability allows tuning from 3000K warm tones to 5000K daylight to support different learning activities and occupancy scenarios
- Healthcare exam rooms and clinical spaces — damp location rating and >80 CRI support accurate color rendering for patient assessment and clinical tasks
- Retail interiors and commercial showrooms — field-selectable CCT allows lighting to be matched to merchandise or brand aesthetic post-installation without re-ordering
- Corridors, lobbies, and common areas — 50,000-hour rated life reduces lamp replacement maintenance in high-uptime commercial environments
- Hotels and hospitality common areas — 3000K/3500K settings deliver warm, inviting illumination in guest-facing spaces
What's Included
- GLT TR24-46L-30K40K50K-D10 2×4 LED troffer fixture — White
- Wire rope safety protection hardware
- Mounting clips for T-bar grid installation
Specifications
Specifications
Dimensions
Documents
Style & Materials
Characteristics & Features
Electrical Information
Item Details
Warranty & Certifications
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.
Frequently Asked Questions
Is the GLT TR24-46L rated for damp or wet locations?
Is the GLT TR24-46L rated for damp or wet locations?
How do I adjust the wattage and CCT on the GLT TR24-46L?
How do I adjust the wattage and CCT on the GLT TR24-46L?
What dimming controls are compatible with the GLT TR24-46L?
What dimming controls are compatible with the GLT TR24-46L?
What fluorescent fixtures does the GLT TR24-46L replace?
What fluorescent fixtures does the GLT TR24-46L replace?
Does the GLT TR24-46L qualify for utility rebates?
Does the GLT TR24-46L qualify for utility rebates?
Highly-rated LED troffer light with selectable wattage (15-50W) and color temperature options. Customers praised "easy installation" and described it as a "great buy." Many highlighted the convenient Kelvin selection feature that "saves time and money." Some noted shipping costs were high, and one order experienced delivery delays.
This item has a lot of features and was explained very well by the guy I talked to.
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They have plenty of stock and the item shipped immediately.
Highly recommended fixture!
Website was easy to navigate and find what I needed. Item arrived on time.
Great buy
Worked really good for our company and I just bought some more.
One of the leading brands for these types of fixtures. You will not regret buying this for sure.
High quality brand and works well with our other fixtures.
Bought from them before and ordering is always a breeze. This fixture looks really good and will definitely last a long time.
Fixtures from this brand are always great quality. Highly recommended!!!!
Website was easy to navigate and find what I needed. Item arrived on time.
High quality brand and works well with our other fixtures.
Very easy installation and works like a charm.
Highly recommended fixture!
One of the leading brands for these types of fixtures. You will not regret buying this for sure.
Order came in complete with all accessories needed.
Order came in complete with all accessories needed.
This is the 2nd order that we made and everything as discribed. This light also works great for us, We especially like the option to select between color Kelvin. Normally would have to purchase separate lights but with this one, its save time and money.
Bought from them before and ordering is always a breeze. This fixture looks really good and will definitely last a long time.
Worked really good for our company and I just bought some more.
Great quality and the materials used are impressive. Finish looks great.
Fixtures from this brand are always great quality. Highly recommended!!!!
Very easy to use and install.
Items always available
