A relay is an electrically operated switch. It has a set of input terminals for one or more control signals, and a set of operating contact terminals. The switch may have any number of contacts in multiple …

Sep 11, 2024 · A Relay is a simple electromechanical switch. While we use normal switches to close or open a circuit manually, a Relay is also a switch that connects or disconnects two circuits.

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Aug 22, 2025 · A relay is an electromechanical or solid-state device that uses a small input signal to switch a larger load current. In simple terms, it works like a remote-controlled switch.

A relay is an electromagnetic switch that opens and closes circuits electromechanically or electronically. A relatively small electric current that can turn on or off a much larger electric current operates a relay.

Jan 21, 2025 · A relay is an electrically operated switch that allows one circuit to control another, often with different voltage or current levels. It is used to isolate and protect low-power circuits or to control …

Feb 24, 2025 · A relay is an electromechanical switching device that allows a low-power signal to control a high-power circuit. It is widely used in automation, electrical protection, and remote control …