Emergency Power Dimmer Control With Automatic Diagnostic And Manual Test Features For 4 Wire Dimmable Loads (0-10V And Low Voltage Digital Dimming). Allows Switching And Dimming Of Designated Emergency Luminaires During Normal Operation And Automatically Brings Emergency Luminaires To Full Brightness During A Utility Power Interruption. 120-277V 50-60Hz, 20A Magnetic Ballast, 16A Electronic Ballast. Can Be Mounted Flush Or Above A Suspended Ceiling. Ul924















