Contactor

Contactor is an electrical component that serves to connect or disconnect electrical current to the AC. Contactor or in other words we can find relay contactor on the electric control panel. In electrical panels the contactor is often used as a selector or transfer switch and interlock on the ATS system. The function of contactors is generally used to disconnect and connect electric current electrically. Usually used for applications: motor, heater, lighting or electric power distribution.
The working principle of a contactor is like a relay, in a contactor there are several electromagnetic-controlled switches.