Keystone 1×4 LED Flat Panel – 4,500 Max Lumens – 20 | 30 | 40W – 120-277V

Description

This Keystone precision panel doorframe retrofit kit provides exceptional illumination for commercial offices, retail environments, and institutional facilities. With field-adjustable wattage and color temperature settings, it delivers optimized lighting performance in a compact 1×4 format. The precision optical lens design ensures consistent surface illumination while providing simple retrofit installation that maintains existing fixture infrastructure.

• 1×4 LED panel doorframe retrofit kit for upgrading existing fluorescent recessed troffers without modifying fixture mounting
• Field-adjustable wattage: choose between 20W/30W/40W to customize light output for specific applications
• Field-adjustable CCT: adjust between 3500K/4000K/5000K to create the ideal environment for different tasks
• Maximum output of up to 4,500 lumens with 80+ CRI and efficacy up to 113 lm/W
• Standard T-grid compatibility with precise doorframe installation using included mounting hardware
• Precision optical lenses over each individual LED deliver optimal light diffusion and consistent surface illumination
• 120-277V operation for enhanced lighting control
• Damp location suitable with operating temperature range of -4°F to 104°F
• Over 50% energy savings compared to traditional fluorescent troffers with compatible emergency backup systems
• 50,000 hour rated life