Brief Introduction Of Relay

May. 05, 2018

The relay is an electrical control device, which is an electrical device that causes a predetermined step change in the controlled electrical quantity in the electrical output circuit when the change in the input quantity (motivation quantity) reaches a prescribed requirement. It has an interactive relationship between the control system (also known as the input loop) and the controlled system (also known as the output loop). Usually used in automated control circuits, it is actually an "automatic switch" that uses small currents to control high-current operation. Therefore, it plays a role in the circuit such as automatic adjustment, safety protection, and conversion circuit.

Relays are widely used in remote control, telemetry, communications, automatic control, electromechanical integration and power electronic equipment, and are one of the most important control components.

We are a professional supplier of relays in China. Our products include: Power Relays, Telecom Relays, etc. If you have any questions about the product, please contact us.


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