| Chassis | 16-gauge Type 304 or Type 316 stainless steel enclosure with one-piece, seam-welded construction; 2B finish; passivated post-welding. 14-gauge die-formed and welded mounting points; custom mounting detail to tunnel structure available. |
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| Doorframe | 16-gauge Type 304 or Type 316 stainless steel doorframe with one-piece, seam-welded construction; 2B finish; passivated post-welding. Stainless steel safety cables attach to chassis. Lockable rotary latches (lock by others) constructed of matching grade stainless steel. |
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| Electrical | Serviceable high-brightness LED array. See Ordering Information for color temperature and CRI options. 70 CRI minimum. 120-277 or 277-480 VAC, 50/60Hz single-phase input; <20% THD, >0.90 PF. Minimum 90% electrical efficiency. Standard 0-10V dimming with 5-100% dimming range with dim-to-dark capabilities @ 0V (200μA maximum source current, 470L; 100μA maximum source current, all others). EMC compliant with FCC 47 CFR Part 15, Class B. Passes IEC 61000-4-4 EFT and IEC 61000-4-5 (Class 4) surge evaluation with standard integral surge protector. 3/4" conduit opening standard, other trade size openings available upon request. |
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| Gasketing | One-piece extruded silicone with molded corners. |
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| Heatsink | Type 413 marine-grade die-cast aluminum, coatings to withstand either 1,000 hour or 5,000 hour salt fog test per ASTM B117. Electrically insulated from stainless steel chassis. |
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| Installation | Wall or ceiling orientation, see Ordering Information for selection. Mounting hardware provided by others. Conduit entry on back of luminaire standard. Ambient temperature rating is -40°C to 40°C (55°C on 90L/184L, 50°C on 280L; consult factory for higher ambient limits on a per-project basis). |
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| Listings | Luminaire is certified to UL Standards by Intertek Testing Laboratory for Wet Location. IP66 rating per IEC 60598. Rated to NEMA 4X. Luminaire is 3G vibration tested per ANSI C136.31. Passes ANSI C136.27-2012 qualification test. |
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| Optics | Type II, Pro-Beam, Type V-Narrow Round and Type V Square optical distributions. Clear tempered glass or polycarbonate lens. |
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| Photometrics | Photometry tested to the IESNA LM-79-08 standard by an ILAC/ISO17025 accredited laboratory. |
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| Warranty | Limited ten (10) year warranty. |
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