The corner mount LED ceiling light, measuring a nominal 7 inches by 36 inches, is engineered for high-security and institutional environments where durability, safety, and tamper resistance are paramount. Its innovative door-free design eliminates the possibility of contraband concealment or tampering, making it ideal for permanent installation in correctional cells, dayrooms, cafeterias, restrooms, showers, corridors, sally ports, containment areas, and indoor recreational spaces. The fixture’s construction combines robust materials with careful engineering to provide long-term performance under demanding conditions.
The luminaire is built with a one-piece, TIG-welded housing that incorporates reinforced, continuous lens retention for both security and durability. Cold-rolled steel and painted stainless steel options are finished with a gloss white TGIC polyester powder coat following a five-stage pre-treatment, ensuring corrosion resistance and long-lasting visual appeal. The continuous seam-welded corners are smooth with no post-grinding, enhancing the tamper-resistant design and preventing forced entry or concealment. A one-piece concealed lens retention bracket further secures the lens assembly, maintaining the integrity of the fixture in high-abuse areas.
This fixture features thermally managed LED lamp sources combined with an under-stressed driver to extend service life and maintain consistent performance. The mid-power LED array is serviceable and available in 3500K, 4000K, and 5000K color temperatures, with a maximum three-step MacAdam variation tolerance for uniform color consistency. Standard CRI is 82 (R9 >20), while an optional 90 CRI (R9 >50) is available for applications requiring enhanced color rendering. Electrical input options include 120–277 VAC or 347 VAC at 50/60 Hz, with a serviceable constant-current driver featuring less than 20% total harmonic distortion (THD) and a power factor greater than 0.90. Minimum driver efficiency is 85%, and standard 0–10V dimming offers smooth control from 1–100%, including dim-to-dark capability (non dim-to-dark for 347V). Optional eldoLED ECOdrive DALI drivers provide 1–100% digital dimming for integration with intelligent lighting control systems, while the maximum source current is limited to 165 µA. For enhanced functionality, an optional embedded microwave motion sensor (MS) is available, which defaults to a 20-minute time-out and dims down to 30% when the space is unoccupied.
The fixture offers a variety of lens options to accommodate different installation requirements and performance needs. Lens materials include clear polycarbonate and tempered glass in thicknesses ranging from 0.125 inches to 0.500 inches, as well as symmetric, diffused DR acrylic. The optical system includes a high-efficiency, diffused, impact-resistant acrylic inner lens combined with a clear polycarbonate or tempered glass outer lens, providing even light distribution while maintaining rugged durability in high-abuse environments. Lensless configurations are also available for applications requiring minimal visual obstruction or specialized lighting.
Installation is secure and straightforward, using external mounting holes with six high-security bolts (provided by others) to attach the fixture firmly to the ceiling. The fixture is designed for demanding environments, providing both robust physical protection and reliable, long-term LED performance. Certified to UL standards by Intertek Testing Laboratory for damp locations, this corner mount LED ceiling light offers a versatile, secure, and durable lighting solution for correctional, institutional, and high-abuse indoor spaces where safety, longevity, and tamper resistance are critical.
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