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Click here to view the 277V version of this fixture.

The Durabay Linear Spec 310 W AL-ACT – 480 V is a high-performance, adjustable linear high bay engineered for large industrial and commercial spaces. With switchable power settings—310 W, 270 W, or 240 W—it produces a commanding 46,500, 40,500, or 36,000 lumens respectively, offering the flexibility to match lighting needs to diverse environments.

Built to withstand the elements, this fixture features a durable die-cast aluminum housing with white powder coat finish and a polycarbonate lens, sealed to an IP65 rating for reliable performance in dusty or wet conditions. Emitting a crisp, clean light at 4000 K or 5000 K color temperatures, it ensures clarity and comfort in wide-open spaces.

Safety and efficiency are also front and center. With a CRI above 80, 150 lm/W efficiency, UL/DLC Premium 5.1 listing, and a robust 5-year limited warranty, it combines performance with peace of mind. Robust electronics include SMT 3030 LEDs with 10 kV surge protection, 0–10 V dimming, and optional accessories like motion sensors and emergency battery backup, making it adaptable to advanced control systems. Measuring 20.5″ × 11.5″ × 2.1″ and weighing just 7.3 lbs, it's compact, lightweight, and easy to mount via chain, surface, or pendant options.

» 5 Year Warranty
» UL Listed / DLC Listed Premium 5.1
» Energy Efficient - 150 lm/W
» CRI > 80
» Die-cast aluminum housing with PC lens
» Adjustable Lumen Select 3 power options
» Adjustable Color Temperature Select 4000K or 5000K
» Programmable motion sensors available
» Emergency battery backups available
» Wire guards available
» Surface mount and pendant mount options
» 480V options available