GLT UFO LED High Bay 26,600-62,000 Lumens 140/210/280/350W Selectable 5000K 347-480V Bronze

GLT HBUL-350W-HV-50K-D10 UFO LED High Bay — Flagship High Voltage Industrial Platform

The GLT HBUL-350W-HV-50K-D10 is an ultra high-output, high-voltage UFO LED high bay engineered for large industrial and infrastructure facilities operating on 347-480V electrical systems. Featuring four selectable wattage settings (140W / 210W / 280W / 350W) and fixed 5000K color temperature, this fixture delivers up to 62,000 lumens with field-adjustable flexibility.

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
• High Voltage Input: 347-480V
• Dimming: 0-10V dimming (10% minimum)
• CRI: 70 CRI
• Optics: 120° lens for uniform distribution

Typical Applications:

• Heavy industrial facilities
• Manufacturing plants
• Large distribution hubs
• Aircraft hangars
• Utility and infrastructure 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:
Designed specifically for 347-480VAC systems with 0-10V dimming capability from 100% to 10%. Integrated surge protection supports demanding industrial environments. Optional PIR or Bluetooth smart control sensors can be installed via the standard sensor receptacle.

Construction, Compliance & Warranty:
Durable die-cast aluminum housing with heat-dissipating fins ensures long-term thermal performance. Dark bronze polyester powder-coated finish enhances corrosion resistance. UL cUL wet location listed and DLC Qualified for commercial 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 for high-bay industrial applications.

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.