Mechanical Life and Electrical Life of Contactors

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The life and reliability of AC contactors are mainly determined by the life of coils and contacts. During the use of AC contactor, due to arc erosion, contact wear and other reasons, the contact overrun will continue to decrease until the AC contactor fails, that is, the end of electrical life. In order to reduce the accident rate, it is necessary to predict the life of AC contactor.

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