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What is a Contactor?

Electrical Contactor

What is a Contactor?

A contactor is an electrically controlled switch used for switching a power circuit, similar to a relay except with higher current ratings. A contactor is controlled by a circuit which has a much lower power level than the switched circuit. Contactors are often used for 150 Hp motor.
Electric Magnetic Contactor Thermal Overload relay

Magnetic contactors

Magnetic contactor is a device or switch which operate magnetically and close or open the electric circuit.

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One Comment

  1. mosa maphanga says:

    Can you send more details about star-delta motors and its conductors ?your lessons are very good .

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