Power Sentry 272896 PSL550 Emergency Ballast
Power Sentry batteries fit in the tightest of applications, including low-profile lensed troffers, downlighting and industrial lighting fixtures. They also feature an innovative Quick-Disconnect wiring harness that makes field maintenance and upgrades quick and easy. For field or factory installation in T5, T5HO and T8 fixtures utilizing low-profile ballast and wireways. Suitable for indoor and damp locations and for sealed and gasketed fixtures, including fixtures rated for wet locations. Provides 90 minutes of emergency operation at a reduced light level. Sealed, maintenance-free, high-temperature nickel-cadmium batteryAutomatic, 24-hour recharge timeDual-voltage input capability (120V or 277V)Produces 425-825 lumens at initial output