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Contactor connection method


Ac contactor is an automatic control appliance. Contactor is mainly used to frequently connect or break AC circuit, can also cut off the accident current, with large control capacity, can be operated remotely, with relay can realize timing operation, interlock control, a variety of quantitative control and loss of voltage and undervoltage protection, widely used in automatic control circuit, its main control object is the motor, can also be used to control other power load.

The contactor above 20 amps is equipped with an arc extinguishing cover, which uses the electromagnetic force generated when disconnecting the circuit to quickly pull off the arc to protect the contact.