File:Delta_Electronics_DPS-350FB_A_-_board_1_-_OEG_SDT-SS-112M_-_case_removed-3045.jpg · Wikimedia Commons · See Wikimedia Commons
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Sign in to saveAlso known as electric relay, electrical relay, electromechanical relay
thumb|A relay thumb|Electromechanical relay principle thumb|Electromechanical relay schematic showing a control coil, four pairs of normally open and one pair of normally closed contacts thumb|An automotive-style miniature relay with the dust cover taken off
A relay is an electrical switch that uses a small electric current to control a much larger electric current, allowing a low-power signal to turn high-power devices on or off. Relays are important because they enable safe and efficient control of powerful equipment from a distance, and they're used in everything from cars to industrial machinery.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Subclass of
- electrical switch
- Has part
- electrical contact
- Image
- Relay Scheme.png
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- Commons category
- Relays
- topic's main category
- Category:Relays
- Commons gallery
- Relay
- time of discovery or invention
- 1835-00-00
- different from
- base transceiver station
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
Sources (6)
via Wikidata · CC0
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