KT-EMRG-LED-5-500-AC /DF Keystone Emergency Backup LED Driver - 5W 500-Lumen Dual-flex

Keystone 5W Constant Wattage AC Emergency LED Back-Up Driver (KT-EMRG-LED-5-500-AC/DF)

The Keystone KT-EMRG-LED-5-500-AC/DF is a constant wattage LED emergency back-up driver engineered to provide reliable AC power during outages. Featuring a dual-flex conduit and a robust one-piece metal housing, this driver is highly optimized for recessed LED downlight fixtures, retrofit kits, and Keystone DirectDrive compact lamps.

Core Specifications

• Output Power & Lumens: Delivers a constant 5W output, providing approximately 500 lumens (assuming a nominal minimum efficacy of 100 lm/W).
• Input Voltage: 120-277Vac ±10%, 50/60 Hz.
• Output Voltage Range: 40–100Vdc.
• Max Output Power: 5W with a maximum load capacity of 50W.
• Dimensions: The main metal enclosure measures 11.72" in length, 1.73" in width, and 1.43" in height. It features two 24.41" flex conduits on either end.

Key Features & Compliance

• Battery Technology: Powered by a dependable Li(NiCoMn)O2; battery designed for 90-minute operation in emergency mode.
• Installation: The dual-flex conduit fits seamlessly into standard ½" knockouts.
• Testing & Safety: Includes a 2-in-1 LED test switch and indicator light. UL listed and evaluated to UL 924 requirements.
• Environment: Operating temperature range of 0°C/32°F to 50°C/122°F.

Frequently Asked Questions

Is this driver compatible with dimmers?

No, this emergency driver is strictly not for use with dimmers.

Is this emergency driver compliant for sale in California?

No, this specific emergency pack does not meet CEC T20 requirements. It is not to be sold or offered for sale in California, except when sold wholesale in California for final retail sale outside the state.

How does this driver function in an emergency?

In the event of a power outage, it illuminates the entire connected LED load at a safely reduced output for a full 90 minutes.