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The Contactor

The Contactor

The aim of this work is to present a basic introduction to the operation of the Contactor. TThis is a switching element often employed in electrical industrial installations for automation purposes. The paper intends to explain, in a very simple manner, the following aspects related to the Contactor: Definition and main characteristics, Constituting elements and operation principles, Basic specifications, Types of Contactors and Applications. The work belongs to a collection that is devoted to describe basic switchgear devices used in Low Voltage electrical installations.

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