About 77,900 results
Open links in new tab
  1. 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 in multiple …

  2. What Is Relay? How Relay Works? - Electronics Hub

    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.

  3. Relay (2024) - IMDb

    Aug 22, 2025 · Relay: Directed by David Mackenzie. With Riz Ahmed, Lily James, Sam Worthington, Willa Fitzgerald. A broker of lucrative payoffs between corrupt corporations and the individuals who …

  4. 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 current operates a relay.

  5. 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 your electrical …

  6. How do relays work? - Explain that Stuff!

    Aug 30, 2024 · A relay is an electromagnetic switch operated by a relatively small electric current that can turn on or off a much larger electric current. The heart of a relay is an electromagnet (a coil of …

  7. The Basics of Relays | DigiKey

    Oct 31, 2023 · Relays play a vital role in countless consumer, commercial, and industrial applications and systems. They are often employed in everyday systems without notice. For example, relays are …

  8. Relay | Switching, Contacts, Circuitry | Britannica

    Dec 20, 2025 · relay, in electricity, electromagnetic device for remote or automatic control of current in one (relay) circuit, using the variation in current in another (energizing) circuit. For example, in a …

  9. What is an Electrical Relay? | OMRON Device & Module Solutions

    Relays are electrically operated switches that open and close the circuits by receiving electrical signals from outside sources. Some people may associate “relay” with a racing competition where members …

  10. Relay streaming: where to watch movie online? - JustWatch

    Find out how and where to watch "Relay" online on Netflix, Prime Video, and Disney+ today – including 4K and free options.