The emergency light circuit will have battery backup charge to stored, But when electricity failure, it does opposite is battery will discharge into lamp
All controller, motor speed driver,switches,timer,sensor,and more : Timer switches • DC motor speed control • Delay timers • Light switchs • SCR controls • Light dimmers • Infrared remote control system • and more…
This is overload protection for transformers and load, is simple circuit cut off-on by relay. And so fast switch witch SCR driver. can set sensitive by VR1
Power failure, voltage drop, power surge, but do not worry when has this circuit.