Keystone KT-EMRG-500/B T8 or T12 Emergency Ballast 500 Lumen 90 Minutes RAB Ballast Factor: Normal

Ballast Factor: Normal

Starting Method: Rapid Start

• Pretested & potted drivers are burnt in 3x prior to shipping and protected against vibration & moisture

and your choice of color temperatures above

Keystone KT-EMRG-500/B T8 or T12 Emergency Ballast 500 Lumen 90 Minutes RAB Ballast Factor: NormalShineRetrofits Input: The Keystone KT EMRG 500 B Emergency Ballast provides 500 lumens of light for up to 90 minutes during power outages. It is designed for T8 or T12 lamps and works with or without an AC ballast. The unit includes a push to test switch and LED indicator for code compliance testing. Backed by a 5 year warranty, this emergency ballast offers reliable performance and quick recharge in 24 hours. Features: LIGHT OUTPUT: 500 Lumen