GLT UFO LED High Bay 26,600-62,000 Lumens 140/210/280/350W Selectable 5000K 120-277V Bronze

GLT HBUL-350W-UV-50K-D10 UFO LED High Bay — Flagship Ultra High Output Platform

The GLT HBUL-350W-UV-50K-D10 is a heavy-duty, ultra high-output UFO LED high bay engineered for large industrial and commercial facilities requiring maximum lumen performance. Featuring four selectable wattage settings (140W / 210W / 280W / 350W) and fixed 5000K color temperature, this fixture delivers up to 62,000 lumens on a universal 120-277V platform.

Key Features:

• Selectable Wattage: 140W / 210W / 280W / 350W
• Color Temperature: 5000K (Daylight)
• Light Output: 26,600 to 62,000 lumens
• Efficacy: Up to 190 lumens per watt
• Universal Voltage: 120-277V input
• Dimming: 0-10V dimming (10% minimum)
• CRI: 70 CRI
• Optics: 120° lens for uniform distribution

Typical Applications:

• High-ceiling warehouses
• Large manufacturing facilities
• Aircraft hangars
• Distribution hubs
• Industrial retrofit projects

Performance & Light Output:
At 350W, the fixture delivers up to 62,000 lumens at 5000K. Output scales proportionally to 51,000 lumens at 280W, 39,000 lumens at 210W, and 26,600 lumens at 140W. Estimated 100,000-hour LED lifespan based on IES LM-80 results and TM-21 calculations.

Electrical & Controls:
Operates on universal 120-277VAC input with 0-10V dimming capability from 100% to 10%. Driver includes integrated surge protection. Optional PIR sensor or Bluetooth smart control sensor can be installed via the standard sensor receptacle.

Construction, Compliance & Warranty:
Durable die-cast aluminum housing with heat-dissipating fins ensures long-term thermal stability. Dark bronze polyester powder-coated finish enhances corrosion resistance. UL cUL wet location listed and DLC Qualified for rebate eligibility. TAA compliant for federally funded projects. Backed by a 5-year limited manufacturer warranty.

Installation & Mounting:
Supports hook mounting or 3/4" conduit pendant installation. Designed for high-bay industrial environments.

Included Components:
Fixture body with integrated LED engine and driver, wattage adjustment dial, and pre-installed hanging hook.

Accessories:
Optional PIR sensor, Bluetooth smart control sensor, and mounting accessories available.