Powers LED, incandescent and fluorescent fixtures True sinusoidal AC PWM design provides clean emergency output Universal 120/277VAC, 60Hz. input/output Unit capacities from 20 to 55 watts Soft Start design reduces fixture inrush current Install up to 1000 feet from controlled fixture(s) Surface, recessed or T-Grid mount models Lumen output from fixture is 100 percent of nominal Unique design eliminates compatibility problems with LED drivers and fluorescent ballasts Does not need to be derated for LED Normally-on and/or Normally-off load output Provisions for local switching capability Always on during emergency conditions regardless of local switch position Temperature compendated, dual-mode charger Low voltage disconnect provides protection against battery deep discharge Maintenance-free lead-calcium and nickel-cadmium batteries offered Control panel with momentary test switch AC-On, Charge-On and Inverter-On LED indicators Fuse protection, Reverse battery and AC lockout protection Meets NFPA Life Safety Code 101, OSHA, NEC, State and local Codes 90 Minute Runtime Minimum UL 924 listed