Description
CBT-RK-24-LS-CS-UNV Retrofit Kit for Existing 2x4 Ceiling Fixtures | CCT Selectable Upgrade for Commercial, School, and Healthcare Settings
Transform outdated fluorescent troffers in offices, classrooms, or healthcare settings into energy-efficient, maintenance-reducing LED luminaires with the Halco 81803. Engineered for rapid retrofit installations, this modern kit delivers high clarity, less glare, and selectable color temperature all with compatibility for advanced plug-in sensors and control systems.
KEY FEATURES:
- Quick Retrofit: Installs into existing 2x4 fluorescent housings, minimizing downtime and labor costs.
- Selectable CCT & Output: Field-selectable from Warm White, Cool White, or Daylight (3500K/4000K/5000K), and adjustable lumen output (4000-5000 lm) for tailored environments.
- Controls Ready Design: Integrated 3.5mm receptacle allows seamless addition of motion, daylight, or occupancy sensors.
- Modern Appearance: Frosted acrylic center basket lens distributes soft, glare-reduced illumination across wide areas.
- Superior Efficiency: 125+ lumens per watt efficacy lowers energy costs versus traditional systems.
- Reliability: 50,000-hour L70 lifetime and robust steel body support years of trouble-free operation.
APPLICATIONS:
- Ideal for retrofitting office ceilings, educational facilities, and outpatient medical spaces.
- Recommended for drop grid ceilings where fluorescent troffers need modern, flexible upgrades.
- Best used in areas where plug-in sensors or control strategies enhance facility functionality.
SPECIFICATIONS:
- SKU: 81803
- Product Code: CBT-RK-24-LS-CS-UNV
- Fixture Type: 2x4 Retrofit Kit
- Wattage: Selectable 30W/35W/40W
- Lumens: 4000 - 5000
- CCT: Selectable 3500K, 4000K, 5000K
- CRI: 80+
- Efficacy: 125+ lm/W
- Voltage: 120-277V, 50/60Hz
- Dimming: 0-10V
- Lens: Frosted Acrylic
- Housing: Steel/Aluminum
- L70 Lifetime: 50,000 hours
- Dimensions: Fits standard 2x4 housing (approx. 47-13/16" x 23-11/16" x 2")
CERTIFICATIONS & ADDITIONAL NOTES:
- Listings: UL Listed, DLC 5.1 Premium
- Location Rating: Damp Location, IC Rated
- Warranty: 5 Years Standard
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Disclaimers
*This product typically ships in 2 to 3 business days. Larger quantities may take longer than stated lead-time. All lead-times are estimates and you will be notified by email if it will take longer than 5 business days to ship.

