Relays are essential components in modern electrical and electronic systems. These electromechanical switches allow for the control of high-power circuits with low-power signals. A Relay Electrical Diagram is a schematic representation of how a relay functions within an electrical system. It highlights the connections between various components like the relay coil, switches, and load devices, providing a clear picture of how the relay interacts with the overall circuit.
What is a Relay? At its core, a relay is an electrical switch that is operated by an electromagnet. It consists of two main parts： the coil and the contacts. The coil, when energized with an electric current, generates a magnetic field that moves the switch contacts, thus opening or closing the circuit. The main purpose of a relay is to control a circuit by using a small current to switch a larger current. Relays are widely used in applications where it’s necessary to control one electrical circuit with another, typically involving switching high-power loads with a low-power control signal. The relay electrical diagram illustrates this fundamental operation.