What is a relay? And how does it provide security?

Question

Accepted Answer

A relay is an electrically operated switch that controls the flow of current in a circuit. It provides security by isolating the control circuit from the high voltage circuit.

A relay is a device that uses an electromagnet to mechanically open or close contacts in a circuit.
It acts as a switch, allowing or interrupting the flow of current in a circuit.
Relays provide security by isolating the control circuit from the high voltage circuit, preventing damage to sensitive components.
They can be used in various applications such as controlling motors, lights, and appliances.
For example, in a car, relays are used to control the headlights, horn, and starter motor.

Accepted Answer

Relay is the sensing device used with the circuit breaker to sense the circuit breaker and tell.

What is a relay? And how does it provide security?

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