A contactor is an electrical device used to control the flow of electricity in a circuit by opening and closing contacts. Contactor is typically used to control motors, lighting, heating, and other electrical loads. It consists of a coil, contacts, and a housing. When the coil is energized, it creates a magnetic field that pulls the contacts together, allowing electricity to flow. Contactor can be manually operated or controlled remotely through a control system. Common examples of contactors include those used in HVAC systems, industrial machinery, and elevators.

Cavinkare Interview Questions: What is contactor?

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What is contactor?

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A contactor is an electrical device used to control the flow of electricity in a circuit by opening and closing contacts.

Contactor is typically used to control motors, lighting, heating, and other ele...read more

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What is contactor?

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