Timer is a switching devices that automatically opens and closes an electrical circuit for a specific period of time. It has basic three terminals are- normally open ,normally closed and common pins.
Timer operation:-
A time delay relay known as an interval timer is used to regulate the amount of time an electrical load is energized. They are additionally called beat molding clocks, sidestep timing clocks, span defer clocks, and postpone on empowerment with immediate exchange clocks.
Timers of this kind delay providing power to an electrical load until a predetermined amount of time has passed. The power is applied after the timer has run its course, and it stays on until the timer runs out. The load loses power at this point, and it stays off until power is restored.
In this video we will know what is the Timer, physical structure of Timer, working activities of Timer, where are Timer uses.