When AC power fails, Lighting Elements EM-L Series emergency LED driver immediately switches to the emergency mode, operating the LEDs at a reduced lumen output for a minimum of 90 minutes. When AC power is restored, the emergency driver automatically returns to the charging mode.
Lighting Elements New version UL listed EM are equipped with self-testing functionality.
It will perform a functional test of 3 seconds after the driver installed and will perform second test in 120minutes to check the wiring and battery output if work. The indicator LED will be off or flicker in case of a failure or an error.
It will automaticaly perform a test every 30 days with a duration of 3 seconds,in which the wiring and battery output are checked. In case of a failure or an error, the indicator LED will be off or flicker.