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  • Talking about the detection method of relay
    • March 28. 2019
    Talking about the detection method of relay

    A relay is a device that uses the effects of current to close or open a circuit for active maintenance and active control. In most cases, the relay is an electromagnet whose armature can close or break one or several contact points. When there is a current passage in the winding of the electromagnet, the armature is attracted by the electromagnet, thus changing the condition of the contact. Common...

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