Where is a 150W UFO high bay with 19,500 lumens typically specified?
This output level is commonly specified for warehouses, light manufacturing, staging areas, and large-format back-of-house spaces where a mid-to-high mounting height is used and a single fixture needs to cover a practical floor area without over-lighting adjacent zones.
How does the 110° optic influence coverage on the floor?
A 110° distribution is often selected to balance center intensity and edge-to-edge uniformity in grid layouts. It supports practical spacing while limiting excessive spill outside the target work area compared with very wide optics, which can reduce contrast on task surfaces in some layouts.
What mounting height range is appropriate for this lumen package?
This lumen package is generally used in mid-to-high bay mounting heights. Final mounting height and spacing should be set from an IES-based photometric layout to confirm maintained foot-candles and uniformity for the specific rack height, aisle width, and reflectances in the space.
What does 5000K mean for visibility in industrial and logistics spaces?
5000K is commonly specified where higher visual contrast supports label reading, barcode scanning, and general task visibility across wide areas. It is frequently used in distribution and manufacturing environments that standardize on a neutral-to-daylight appearance.
Is CRI 80 appropriate for safety marking and identification tasks?
CRI 80 supports accurate color recognition for most industrial needs such as safety signage, floor striping, and packaging identification. If an application requires higher color discrimination, confirm project requirements and review any additional color data provided in the product’s documentation.
What does 1–10V dimming support in a controls plan?
1–10V dimming is commonly used for high-bay controls where fixtures are paired with occupancy sensors, daylight-responsive controllers, or centralized panels that output a low-voltage dimming signal. For commissioning, confirm minimum dim level behavior and compatibility with the selected control device.
Can this fixture be used with occupancy sensors in warehouse aisles?
Yes, low-voltage dimming high bays are commonly controlled with aisle sensors to reduce light levels during vacancy and return to programmed output on occupancy. Sensor placement and zoning should be coordinated with racking layout and aisle geometry to avoid nuisance switching.
What does IP65 indicate for dust and moisture exposure?
IP65 indicates the fixture is dust-tight and protected against water jets. This rating supports use in dusty industrial spaces and in semi-exposed areas where wind-driven moisture or washdown-adjacent conditions may occur, subject to correct installation and sealing practices.
How does the wet-location rating affect allowable installation areas?
A wet-location rating supports installation in areas subject to direct moisture, including some covered exterior zones and transitional areas where water exposure can occur. Installation details such as conduit entry, sealing, and mounting method must follow the manufacturer’s instructions to maintain the rating.
What role does integrated surge protection play on high-bay circuits?
Integrated surge protection helps reduce exposure of the driver and LED array to transient voltage events from switching loads or utility disturbances. For higher-risk sites, it is still appropriate to coordinate grounding practices and upstream protection based on facility standards.
Does DLC Premium listing matter for rebate documentation?
DLC Premium listing is commonly used to qualify fixtures for utility rebate programs and to document performance characteristics. For rebate submissions, confirm the exact model and configuration appears on the DLC Qualified Products List under the correct listing category.
What does a -40°F minimum operating temperature support?
-40°F operation supports cold-start performance in unconditioned facilities and cold-climate installations, including warehouses that are not heated continuously and exterior-adjacent areas where ambient temperatures can drop significantly.
How should a 50,000-hour rating be used for maintenance planning?
A 50,000-hour rating is typically used to estimate expected service life and relamping cycles under defined test conditions. Actual maintenance intervals depend on operating hours, ambient temperature, control strategy, and installation conditions that influence thermal performance.
What should be verified for 120–277V electrical service?
120–277V input supports common commercial branch circuits including 120V, 208V, 240V, and 277V systems. For installation, confirm circuit voltage, conductor sizing, grounding method, and any local code requirements for the fixture location and mounting hardware.
