Description
2x4 Rectangle LED Retrofit Kit with 90-Minute Emergency Battery Backup | Selectable 30/35/40W and 3500K/4000K/5000K
The Halco 81809 is a 2x4 LED retrofit kit with a built-in emergency battery backup that keeps it lit for at least 90 minutes during a power outage. Wattage and color temperature are selectable, so one fixture can match the light level and color the space needs. It installs into an existing 2x4 troffer housing, so you can upgrade to LED without replacing the fixture.
Features
- Flexible Illumination: Easily choose from 3500K, 4000K, or 5000K color temperatures to suit any application.
- Cut Maintenance and Energy Waste: Built-in 8W emergency battery backup provides 90 minutes of uninterrupted light, reducing code-compliance hassle and emergency lighting upkeep.
- Quick Retrofit: Designed to fit most standard 2x4 fluorescent troffer and panel housings for straightforward, tool-minimizing installation.
- Adjustable Output: Field-selectable lumen output (4000/4500/5000 lumens) and wattages ensure perfect light levels and energy savings.
- Controls Ready: 3.5mm receptacle for easily adding fixture sensors for greater flexibility and automation.
Specifications
- Product Code: CBT-RK-24-LS-CS-UNV-EM
- Size: 2x4 ft
- Fixture Type: Retrofit Kit
- Wattage: 30/35/40W selectable
- Lumens: 4,000/4,500/5,000 lm
- Color Temperature: 3500K/4000K/5000K selectable
- CRI: 80
- Voltage: 120-277V
- Dimming: 0-10V
- Rated Life: 50,000 hours
- Location Rating: Damp location, IC rated
- Warranty: 5 years
Emergency Operation
- Battery Backup: Built-in, factory installed
- Runtime: 90 minutes minimum
Installation & Compatibility
- Installs into existing 2x4 troffer housings
- Accepts 3.5mm plug-in occupancy and daylight sensors
Rebates & Certifications
- UL Listed
- DLC Premium
- DLC listings often qualify for utility rebates. Check with your local utility before you buy.
Applications
- Perfect for retrofitting classrooms, healthcare corridors, and large open retail spaces.
- Meets strict emergency lighting codes for offices, schools, and medical facilities.
- Best used in 2x4 recessed grid ceilings when upgrading outdated fluorescent systems without full fixture replacement.
Frequently Asked Questions
Does this fixture have emergency backup?
Yes. It has a built-in battery backup that runs for at least 90 minutes when power is lost.
Can I change the settings after installation?
Yes. Wattage (30/35/40W) and color temperature (3500K/4000K/5000K) are selectable on the fixture.
Is it dimmable?
Yes, with a 0-10V dimming control.
Does it qualify for rebates?
It is DLC Premium listed, which often qualifies for utility rebates. Check with your local utility.
Downloads
Disclaimers
*This product typically ships in 2 to 3 business days. Larger quantities may take longer than the 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. Halco products ship directly from the manufacturer and require a combined minimum purchase of $150 in Halco merchandise. Multiple Halco items may be combined to meet the minimum.
