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What is the function of the relay?

July 12, 2018 by

DWQA Questions › Category: Switchgear and Protection › What is the function of the relay?
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admin Staff asked 3 years ago
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admin Staff answered 3 years ago

The control circuit functions as the coupling between the input and output circuits. In electromechanical relays, the coil accomplishes this function. A relays Output Circuit is the portion of the relay that switches on the load and performs the same function as the mechanical contacts of electromechanical relays.

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admin Staff answered 3 years ago

Relays are switches that open and close circuits electromechanically or electronically. Relays control one electrical circuit by opening and closing contacts in another circuit. As relay diagrams show, when a relay contact is normally open (NO), there is an open contact when the relay is not energized.

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