Identification & Application Halco 37311 ERHB-2-LS-CS-U Essential Round High Bay, 90W/120W/150W, 4000K/5000K Selectable, 13,800-18,000-21,600 Lumens, 120-277V The Halco ERHB-2-LS-CS-U Essential Round High Bay delivers an ideal balance of performance and value for commercial and industrial lighting applications. Featuring field-selectable wattage and color temperature, it adapts easily to changing project requirements while minimizing inventory and installation complexity. The fixture offers selectable 90W, 120W, or 150W operation with selectable 4000K neutral white or 5000K daylight color temperatures. Depending on the selected wattage, the fixture delivers between 13,800 and 21,600 lumens with efficacies up to 156 lumens per watt. Constructed with a die-cast aluminum housing finished in durable black powder coating and a high-impact polycarbonate lens, the fixture is engineered for long service life in demanding environments. An IP65 wet location rating makes it suitable for indoor and covered outdoor applications. The fixture includes a standard 6-foot power cord and 1/2-inch NPT steel hook for quick installation. A built-in 3.5mm audio jack supports plug-and-play PIR and microwave motion sensors, while optional accessories include reflectors, wire guards, yoke mounting brackets, emergency battery backup, and pendant mounting hardware. Ideal applications include warehouses, manufacturing facilities, gymnasiums, big box retail stores, and commercial showrooms requiring efficient, high-output LED illumination. Technical Performance Specifications Brand Halco SKU or SKU/MPN 37311 / ERHB-2-LS-CS-U Product Type Essential Round LED High Bay Electrical 120-277VAC, Selectable 90W / 120W / 150W, 0-10V Dimming, Power Factor >0.9, 6kV Surge Protection Optical Selectable 4000K / 5000K, 13,800-21,600 Lumens, Up to 156 lm/W, 80+ CRI, 90° Beam Angle Construction Die-Cast Aluminum Housing, Black Powder Coat Finish, Polycarbonate Lens Voltage Universal 120-277VAC Controls 0-10V Dimming Standard, Built-In 3.5mm Audio Jack, Plug-and-Play PIR and Microwave Motion Sensor Compatible Operating Temperature -40°C to 50°C (-40°F to 122°F) Dimensions 10.83" Diameter x 6.81" Height (Hook Mount) Weight 5.95 lbs Mounting 1/2" NPT Steel Hook Included, Optional Yoke Mount Bracket, Pendant Mount Adapter Available Environmental IP65 Rated, Wet Location Rated Compliance UL, cUL, DLC 5.1 Premium, FCC, RoHS Compliant Lifecycle L70 >100,000 Hours Warranty 5-Year Limited Warranty Documentation See spec sheet.
