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  • AC Contactor Introduction

    AC Contactor Introduction

    1 Introduction A contactor is an automatically controlled electrical appliance used to make or break AC and DC main and control circuits. The KM symbol, whose main control object is the motor, can also be used for other electrical loads, such as electric heaters, welding machines, etc. 2. The dif...
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  • What is the role of circuit breakers

    What is the role of circuit breakers

    When the system software fails, the common fault components protect the posture, and the circuit breaker actually operates the common fault to reject the trip, the adjacent circuit breaker of the substation will protect the trip according to the common fault components. If the conditions do not a...
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  • Relay

    Relay

    Instructions for use of relays Rated working voltage: refers to the voltage required by the coil when the relay works normally, that is, the control voltage of the control circuit. Depending on the model of the relay, it can be either AC voltage o...
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  • The principle of self-locking of AC contactors is easy to understand at a glance!

    The principle of self-locking of AC contactors is easy to understand at a glance!

    The principle of the AC contactor is that the power is pulled in, the main contact is closed and turned on, and the motor runs. This article introduces the self-locking circuit of the AC contactor and what is the self-locking of the contactor ...
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