The HBRSR-UNC is a premium round LED high bay luminaire for industrial applications where input voltage up to 480V AC is required. This versatile fixture is Lumen and Kelvin field selectable, offering output from 16,000 to 35,000 nominal lumens and 3 color selection. The HBRSR-UNC is Sensor-ready for easy field installation of screw-in sensor, sold separately. It is designed to illuminate a wide variety of settings including commercial, and industrial settings such as warehouses, and manufacturing plants. With a die cast aluminum housing and clear glass lens, the HBRSR-UNC provides durability and high performance. High-efficacy, long-life LEDs provide both energy and maintenance cost savings compared to traditional, HID high bays.