Keystone KT-EMRG-750-CFL4 Emergency Ballast 750 Lumens - 2 Lamp
NO. OF LAMPS IN FIXTURE: 1-4 LIGHT OUTPUT: 750 Lumen BATTERY: 3.6V Sealed NiCD INPUT VOLTS: 120/277V, 60Hz ILLUMINATION TIME: 90 Minutes WARRANTY: 5 Years OPERATING DETAILS For use in new or existing fixtures, with or without an AC ballast, where emergency lighting is needed. Operates one lamp in the emergency mode. 2-in-1 LED indicator light and push-to-test switch (for mandated code compliance testing). Internal battery automatically connects to the fluorescent lamp(s) for minimum 90 minute emergency illumination via an internal solid-state transfer switch. A discharged battery completely recharges in 24 hours, via a fully automatic solid-state, two-rate charger. LAMP COMPATIBILITY Compatible with most one-, two-, three-, and four-lamp electronic, standard and dimming AC ballasts. Operates the following lamps under emergency power: