GLT MLH LED Linear High Bay — 130W — White
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About this item
About this item
- 18,600 lm @ 130W / 5000K — 143 lm/W Peak Efficacy — Semi-Frosted Diffuser: Maximum lumen output configuration — direct retrofit replacement for 4-lamp F54T5HO or 400W HID at a fraction of the energy cost. Semi-frosted diffuser delivers peak lumens while maintaining visual comfort.
- DLC Listed — Utility Rebate Eligible: DLC Listed certification qualifies this fixture for utility rebate programs across most U.S. markets. Verify eligibility at designlights.org by searching model number MLH-18L-UV-50K-D10.
- 1–10V Dimming + Optional PIR Sensor — Full Energy Control Stack: Integrated 1–10V driver pairs with optional MLHF-MS PIR occupancy sensor and optional emergency battery backup — building a complete energy management and life-safety solution from a single fixture platform.
- UL Damp Location + −40°C Cold-Start — Built for Demanding Environments: UL Listed for damp locations and rated from −40°C / −40°F to 50°C / 122°F — engineered for humid manufacturing, cold storage, and harsh industrial environments.
- Three Diffuser Options — One Fixture Platform: Semi-frosted (18,600 lm / 143 lm/W), prismatic (17,600 lm / 135 lm/W for glare control), or frosted (17,200 lm / 132 lm/W for maximum uniformity) — specify by SKU suffix for the right distribution pattern on every job.
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Description
Description
GLT MLH LED Linear High Bay — 130W — White
The MLH-18L-UV-50K-D10 is a compact LED linear high bay delivering 18,600 lumens at a peak efficacy of 143 lm/W at 130W and 5000K with a semi-frosted diffuser for maximum lumen output. It operates on 120–277V with 1–10V dimming, carries a UL Damp Location listing, and is certified DLC Listed for utility rebate eligibility. Designed for commercial, retail, and institutional high-bay lighting applications, this fixture features a sensor receptacle for optional PIR sensor installation, optional emergency battery backup, and a rated life of 50,000 hours. Direct retrofit replacement for 4-lamp F54T5HO or 400W HID fixtures. Backed by a 5-year limited warranty.
Key Features
- Lumen Output: 18,600 lm @ 130W / 5000K with semi-frosted diffuser — 143 lm/W efficacy
- CRI: 70 CRI across all configurations
- Color Temperature: 5000K fixed — crisp daylight spectrum for task and inspection lighting
- Diffuser Type: Semi-frosted — maximizes lumen output; prismatic and frosted diffuser options also available
- Dimming: 1–10V continuous dimming via integrated LED driver
- Input Voltage: 120–277V; constant current LED driver (850mA @ 90W · 1200mA @ 130W)
- Location Rating: UL Listed for damp locations
- Ambient Operating Temperature: −40°C / −40°F to 50°C / 122°F
- Emergency Battery (Optional): Compatible with optional emergency battery backup — operating temperature with battery: 0°C to 50°C (+32°F to +122°F)
- Rated Life: 50,000 hours projected lifespan
- Sensor-Ready: Optional PIR sensor for occupancy/vacancy sensing and energy savings
- Certifications: UL Damp Location · DLC Listed · TAA Compliant · RoHS
- Construction: Advanced thermal management aluminum alloy housing with white coat finish; semi-frosted polycarbonate diffuser panel
- Warranty: 5-year limited
Performance & Light Output
All configurations deliver 70 CRI. Projected lifespan 50,000 hours. Color temperature fixed at 5000K for this SKU.
At 130W / 5000K: 18,600 lm (Semi-Frosted / 143 lm/W), 17,600 lm (Prismatic / 135 lm/W), 17,200 lm (Frosted / 132 lm/W)
Lens & Optics
Three diffuser types are available for the MLH series — this SKU ships with the semi-frosted diffuser for maximum lumen output. The semi-frosted diffuser delivers peak lumens and efficacy. The prismatic diffuser reduces glare for environments requiring controlled light distribution. The frosted diffuser provides the most uniform light output, ideal for retail and office-adjacent spaces. Light transmission varies by diffuser type — see Performance & Light Output section for per-diffuser lumen data.
Smart & Control Features
Standard dimming via 1–10V continuous driver — compatible with any 1–10V wall dimmer or building automation system. Optional sensor and control accessories:
- PIR Sensor (MLHF-MS): Optional screw-in PIR sensor for occupancy/vacancy sensing and automatic dimming — security and energy savings
- Remote Control (DIVA-RC100): Optional remote for sensor setting adjustments in the field
Electrical
Integrated LED driver with 1–10V dimming. Input voltage: 120–277V. Driver current: 1200mA @ 130W (120–277V). Input current at 130W: 1.08A @ 120V · 0.63A @ 208V · 0.54A @ 240V · 0.47A @ 277V. Mercury-free, RoHS-compliant components. TAA Compliant. For emergency backup, use optional emergency battery accessory (GLT-EM-890 or MLH-EB15W) — emergency battery operating temperature: 0°C to 50°C.
Construction
Advanced thermal management aluminum alloy housing with white coat finish. Semi-frosted polycarbonate diffuser panel for maximum lumen delivery. Threaded conduit for support wire routing and easier wire connections. Ambient operating temperature: −40°C / −40°F to 50°C / 122°F. Dimensions (130W body): 9.84" W × 16.54" L × 1.75" H. Weight: 4.63 lb.
Installation & Mounting
Steel wire rope included for pendant mounting. Surface mounting also available. Optional accessories (purchased separately):
- Wire Guard: Optional wire guard for fixture protection
- Pendant Hanger (MLH-SMB1): Optional pendant hanger kit
- Emergency Battery Backup (GLT-EM-890 · MLH-EB15W): Optional emergency battery — constant wattage output during power outages; operating temperature 0°C to 50°C
- PIR Sensor (MLHF-MS): Optional PIR occupancy/vacancy sensor
- Remote Control (DIVA-RC100): Optional remote for field sensor adjustment
- Power Strips (PS1055LCP-M5 · PS1555LCP-M5): Optional power strip accessories
Certifications & Rebates
UL Listed for damp locations. DLC Listed certified — to verify rebate eligibility with your utility provider, visit designlights.org and search by model number MLH-18L-UV-50K-D10. TAA Compliant. RoHS compliant.
Typical Applications
- Warehouses & Distribution Centers (20–35 ft Ceilings): 18,600 lm at 130W replaces 400W HID on 120–277V infrastructure; 5000K daylight spectrum maximizes visibility across wide storage aisles
- Manufacturing & Assembly Plants: Semi-frosted diffuser delivers maximum lumens for task and inspection lighting on production floors; DLC Listed qualifies for utility rebates on large-scale retrofits
- Gymnasiums & Recreation Centers: UL Damp Location listing suits high-humidity environments; linear form factor provides even coverage across gym floors
- Retail Big-Box & Commercial Interiors: 1–10V dimming enables energy management across sales floors; 5000K CCT enhances product color rendering and visibility
- Factories & Industrial Facilities: −40°C cold-start capability and aluminum alloy housing handle demanding industrial environments; optional PIR sensor adds occupancy-based energy savings
What's Included
- 1× GLT MLH-18L-UV-50K-D10 LED Linear High Bay — 130W, 5000K, Semi-Frosted Diffuser, White
- Steel wire rope for pendant mounting
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
What location rating does the MLH-18L-UV-50K-D10 carry, and what environments is it suitable for?
What location rating does the MLH-18L-UV-50K-D10 carry, and what environments is it suitable for?
What diffuser options are available and how do they affect lumen output?
What diffuser options are available and how do they affect lumen output?
What sensor and control accessories are compatible with this fixture?
What sensor and control accessories are compatible with this fixture?
Is emergency battery backup available, and what are the operating constraints?
Is emergency battery backup available, and what are the operating constraints?
What is the rebate eligibility and what ceiling heights is this fixture appropriate for?
What is the rebate eligibility and what ceiling heights is this fixture appropriate for?
Customers praised this LED high bay fixture as "insanely bright" with excellent quality and competitive pricing. The 130W light effectively illuminates large spaces like 40'x40' bays. Shoppers appreciated easy installation, reliable performance, and repeat purchases indicate strong satisfaction. Minimal concerns noted.
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.
It's the perfect replacement for an old fixture that I had.
Highly recommended fixture!
I installed 2 of these lights under the roof truss for the front half of a 40'x40' open bay 12' off the floor. They work great! I plan on ordering 2 more for the back half of the open bay and one for my 30'/36' barn to mount 10' off the ground.
Fixtures from this brand are always great quality. Highly recommended!!!!
Website was easy to navigate and find what I needed. Item arrived on time.
Prompt nice product worked as described
Price is lower than everybody else. Fixture looks amazing.
Very easy to use and install.
Great lights at a great price and free shipping cant lose.
vary good
Fast, good product and good communication!
Fast delivery Excellent quality Insanely bright
Fast delivery Excellent quality Insanely bright
