Relay - Wikipedia
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 …
What Is Relay? How Relay Works? - Electronics Hub
Sep 11, 2024 · Instead of mechanical operation, a relay deploys an electrical signal to drive an electromagnet, which in turn engages or breaks (connects or disconnects) another circuit.
How Electrical Relays Work - Circuit Basics
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 …
How Relays Work - HowStuffWorks
May 17, 2024 · Powered by electromagnets, a relay is simply a mechanical switch, and you'll find them all over a typical house or car. Find out what these simple components are doing in all …
How Does a Relay Work? A Complete Guide - Microchip USA
Aug 22, 2025 · Learn how relays work, their types, and applications in automation, safety, and electronics. Choose the right relay for your project with this guide.
Relay - Definition, Construction, Working, Diagram, Types ...
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 …
What Is Relay And How Does It Work? - Regent Electronics
Feb 24, 2025 · What is a Relay? 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 …