Description

Keystone Constant Wattage LED Emergency Back-Up Driver - 5W 500-lumen Dual-flex CEC-T20
The Keystone KT-EMRG-LED-5C-500-EN/DF is a highly reliable CEC Title 20 compliant constant wattage LED emergency back-up driver. Designed with a dual flex conduit, this 1-piece enclosure ensures your lighting systems remain operational during power outages. It consistently delivers 5W of constant power to LED loads for a minimum of 90 minutes, providing an approximate output of 500 lumens.
Core Specifications
- Output Power: 5W (Constant)
- Input Voltage: 120-277Vac ±10%, 50/60Hz
- Output Voltage Range: 20-60Vdc, Class 2 compliant
- Output Current Range: 250mA-86mA
- Emergency Operation Time: Minimum of 90 minutes
- Battery: Features a high-temperature, maintenance-free 9.6Vdc, 3 cell LiFePO4 battery
- Includes: Instruction Sheets, Test Switch, Switch Plate Cover, and Wiring Accessories
Safety & Compliance
- Listed for field or factory installation and meets UL 924 and CSA C22.2 no. 141 emergency lighting compliance.
- Complies with CEC Title 20 Efficiency Standards and FCC Part 15 (Class B) consumer limits.
- Features built-in short circuit overload and open load protection.
- Suitable for both dry and damp locations with an operating temperature of 0°C/32°F to 55°C/131°F.
Installation Features
The unit features dual flex conduit that easily fits into standard 1/2" knockouts. It also includes a test switch/charging indicator light and a wall plate for simplified installation and testing.
Frequently Asked Questions
- How many lumens will this back-up driver output?
- The emergency pack is designed to deliver 5W to a constant current LED load. Assuming a nominal minimum efficacy of 100 lm/W, the approximate output is 500 lumens.
- Is this driver suitable for field installation?
- Yes, it is UL 924 listed for both field and factory installation.
- What is the maximum pass-through current?
- The driver has a 3A maximum pass-through current.
Spec Sheets
Download the official manufacturer documentation and specifications:
Additional Information
Our Part No: |
KT-RAR-74 |
Mfr Part #: |
KT-EMRG-LED-5C-500-EN /DF |
Manufacturer Material Code: |
RAR-74 |
Brand: |
Keystone |
Fixture Type: |
Emergency |
Input Voltage: |
120-277V (Universal) |
Max Power Output: |
5W |
Max Current Output: |
250mA |
Max Voltage Output: |
54V |
Connection: |
Dual Flex Conduit |
Case Size: |
6 |
Warranty: |
Manufacturer's |