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basic circuit of electrical protective relay

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15y ago

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How an electrical relay works?

A relay will have a control circuit and a function circuitcould be the same feed line. One set of terminals (Hot and Load) can be activated at all times, but will not function until the control circuit is closed. The control circuit has a Hot and a Ground--when activated either by supply hot or ground by switch. The internal coil closes allowing the function circuit to operate. The purpose of this relay is to reduce the spike to the alternator. It takes less current (voltage) to close the coil on the relay than it would to operate the accessory that it controls


What is an electric circuit that controls another electric circuit through a relay?

Remote-Control Circuit. Any electrical circuit that controlsany other circuit through a relay or an equivalent device.


What can a relay be used?

A relay is an electrical switch. It allows a low current "switch" circuit to control the electricity flow of a high-current circuit load


What is a electromechanically relay?

A relay is an electronic switching device that opens or closes a circuit. An electromechanical relay would be one that is opereated remotely using an electrical circuit that mechanically operated the relay, which in turn opens/closes the second ciruit.


What is a amperage relay?

An amperage relay is an electrical device used to activate or deactivate a circuit based on the current flowing through it. It is designed to protect the circuit from overload or short-circuit conditions by opening or closing the circuit when the preset amperage level is exceeded.


How do you find out what the bottom 3 fusses do on the kick plate of a 94 Toyota pick up?

one is the circuit opening relay one is the circuit opening relay one is the circuit opening relay one is the circuit opening relay one is the circuit opening relay one is the circuit opening relay one is the circuit opening relay one is the circuit opening relay one is the circuit opening relay one is the circuit opening relay one is the circuit opening relay one is the circuit opening relay one is the circuit opening relay


What component is used in atrucks electrical circuit to convert electromagnetic energy into mechanical movement?

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Electrical device activated by a current that opens or closes another circuit?

An electrical device activated by a current that opens or closes another circuit is called a relay. A contactor also falls into this category.


Why does a lawn mower keep popping the relay circut breaker?

you have a short to ground in the electrical circuit that that breaker is on.


Where's is the relay inter light?

Interior lights do not come on. Running boards lights do. Pulled the fuse and its good. Is there a Interior light relay.


What causes contact chatter in electrical circuit?

Overload can cause contact chatter. Once the contact closes, the voltage in the circuit collapses and that causes the relay to drop out. At this pint the relay energizes, since the voltage is back. This cycle will continue on.


What causes a Starter Relay to go bad?

A starter relay can go bad due to several factors, including electrical wear and tear from frequent use, exposure to heat, moisture, or corrosion which can damage internal components. Additionally, a faulty connection or short circuit in the wiring can lead to overheating and failure of the relay. Age and manufacturing defects can also contribute to its deterioration over time. Regular maintenance and prompt attention to electrical issues can help prolong the life of a starter relay.