Mechanical Engineer Portal

Mechanical Engineers Portal

Saturday, June 17, 2017

What is Contactor and its application

What is contactor?
Contactor is the electrical control switch which is used to switching electrical circuit similar to relay but contactor is used for higher current rating application. Contactors are generally used in 3 phase connection.
When we use the devices switching more than 15 amperes or in circuits rated more than a few kilowatts are usually called contactors.

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Application of Contactor:

Contactors are used to control electric motors, lighting, heating, capacitor banks, thermal evaporators, and other electrical loads.

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