Basic Relay Diagram. Relay can be the best option to control electrical devices automatically. Electromechanical relay emr.
In the relay circuit the electromagnetic coil is connected in series with the power source external contact relay contact. Look at the figure in this our ultimate goal is blowing the lamp. There are different kinds of relays for different purposes.
12v relay wiring diagram 5 pin relay fuse box diagram.
An electromechanical relay emr is a device that uses electromagnetic force to close or open switch contactsin other words an electrically powered switch. It can be used for various switching. The example relay diagrams below show how a relay works. A relay is an electrically operated switch.