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relay

Electrically operated switch

Entityelectro-mechanical componentQ174053

Also known as electric relay · electrical relay · electromechanical relay

Instance of: electro-mechanical component
Subclass of: electrical switch

Overview

From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0

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 contact forms, such as make contacts, break contacts, or combinations thereof.

Overview

All data

36 statements · 28% with external sources · numbers in brackets are citations

Discovered: 1835
Different from: base transceiver station
Members / parts: electromagnet
electrical contact

On other databases

29 identifiers linking relay across the web's reference databases

Data quality

statements

28%

externally sourced

Source last edited September 20, 2026. AIDb refreshes this page daily.

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AIDb. (2026). relay (Q174053). Retrieved from https://aidb.si/e/relay-Q174053