Keystone 2×4 LED Doorframe Troffer Retrofit Panel – 4,950 Max Lumens – 30 | 38 | 45W – 120-277V

Description

This Keystone LED panel doorframe retrofit kit transforms 2×4 fluorescent troffers with advanced field-adjustable capabilities and professional-grade performance. Features Power Select and Color Select technologies with precise optical lens construction for superior light quality and energy efficiency in commercial applications.

• Field-selectable wattage: choose between 30W/35W/45W (factory default highest lumen output at 5000K)
• Selectable CCT: adjust between 3500K/4000K/5000K (factory default 5000K)
• Maximum output of up to 4,950 lumens with 80+ CRI and efficacy up to 113 lm/W
• Precise optical lenses over each individual LED provide optimal light diffusion with no yellowing risk
• Operating temperature range of -4°F to 104°F with power factor > 0.9
• 120-277V input with 0-10V dimming capability suitable for damp locations
• Over 50% energy savings compared to traditional fluorescent troffers
• 100,000 hour rated life with compatible SmartSafe LED emergency drivers
• Generation 2 design upgrades existing fixtures without modifying mounting