Keystone 2×4 LED Doorframe Retrofit Kit – 3,900 Max Lumens – 20 | 25 | 30W – 120-277V

Description

This Keystone efficient doorframe retrofit kit transforms existing 2×4 fluorescent troffers into high-performance LED lighting for commercial offices, retail environments, and institutional facilities. With field-adjustable wattage and color temperature options, it delivers customized illumination while preserving the original fixture housing. The streamlined installation process provides significant energy savings and enhanced lighting performance without ceiling disruption.

• 2×4 LED doorframe retrofit kit for upgrading existing fluorescent recessed troffers without modifying fixture mounting
• Field-adjustable wattage: choose between 20W/25W/30W 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 3,900 lumens with 80+ CRI and efficacy up to 139 lm/W
• Standard T-grid compatibility with straightforward doorframe installation using included mounting hardware
• Advanced optical design provides optimal light distribution and superior visual comfort for commercial applications
• 120-277V operation and 12V auxiliary output for enhanced control
• Damp location rated with operating temperature range of -4°F to 122°F
• Compatible with Keystone SmartSafe emergency backup systems and optional PIR motion sensors
• 50,000 hour rated life