54,000 hours.INSTALLATION — 1/4" NPT eye bolt with 1/2" thick loop and 17 3/4" cord with dimming lead provided for easy installation. Optional surface mount bracket allows flexibility by adjusting in 15 degree increments for a total range of 150 degrees.LISTINGS — UL/C-UL listed to US and Canadian Safety Standards. Wet location listed. For use under covered ceilings. For use in ambient temperatures from -40°F (-40°C) to 131°F (55°C). IP65 rated. DesignLights Consortium® (DLC) Premium qualified product. Not all versions of this product may be DLC Premium qualified. Please check the DLC Qualified Products List at www.designlights.org/QPL to confirm which versions are qualified.WARRANTY — 5-year limited warranty. Complete warranty terms located at: www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspxNote: Actual performance may differ as a result of end-user environment and application. All values are design or typical values, measured under laboratory conditions at 25 °C. Specifications subject to change without notice." class="intervalBottom7 cursor text-overflow">描述：FEATURES & SPECIFICATIONSINTENDED USE — The Lithonia Lighting JEBL LED High bay is an affordable LED solution for users who prefer a luminaire with the look and feel of a round form factor. The JEBL delivers comfortable and uniform lighting from mounting heights up to 30ftCertain airborne contaminants can diminish the integrity of acrylic and/or polycarbonate.CONSTRUCTION — JEBL features a white diecast aluminum housing along with a removable diecast aluminum driver housing. Optional clear polycarbonate or diffuse aluminum reflectors available separately. OPTICS — A .16" thick clear tempered glass lens protects LEDs . Placement, spacing and aperture of LEDs provides a 120 degree spread of light.ELECTRICAL — High-efficiency LEDs. 0-10V dimming standard for a dimming range of 100% to 10%. Input voltage is MVOLT(120-277V). Suitable for 50/60Hz. 6kV/3kA of surge protection is standard. L90 > 54,000 hours.INSTALLATION — 1/4" NPT eye bolt with 1/2" thick loop and 17 3/4" cord with dimming lead provided for easy installation. Optional surface mount bracket allows flexibility by adjusting in 15 degree increments for a total range of 150 degrees.LISTINGS — UL/C-UL listed to US and Canadian Safety Standards. Wet location listed. For use under covered ceilings. For use in ambient temperatures from -40°F (-40°C) to 131°F (55°C). IP65 rated. DesignLights Consortium® (DLC) Premium qualified product. Not all versions of this product may be DLC Premium qualified. Please check the DLC Qualified Products List at www.designlights.org/QPL to confirm which versions are qualified.WARRANTY — 5-year limited warranty. Complete warranty terms located at: www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspxNote: Actual performance may differ as a result of end-user environment and application. All values are design or typical values, measured under laboratory conditions at 25 °C. Specifications subject to change without notice.