contactor

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Loading Port:: Wenzhou

Payment Terms:: TT OR LC

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Supply Capability:: 10000pcs pc/month

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electrical contactor CJ20-400A ac contactor magnetic contactor price contactors

Application

AC contactor(hereafter refer to ac contactor)is mainly used in power system with AC 50Hz(or 60Hz), the rated working voltage up to 660V, under the application category of AC-3, when the rated working voltage 380V, the rated operating current to 300A electrical, for the long-distance range making and breaking the electric circuit, and combines the electormagnetism starter with the suitable thermal overload relay or the electronic protector to protect against the possible overload electric circuit during operation(running).

contactor

Q:A brief introduction to the power contactor: 20 amp or more contactor with an arc extinguishing cover, the use of breaking the circuit when the electromagnetic force generated, quickly pull off the arc to protect the contacts.

Q:Various types of contactors are classified: This non-contact power electronic switch circuit does not produce arc, which avoids the traditional contactor arc on the contact material of electrical wear, it greatly increases the contact life and reliability

Q:The contactor is mainly composed: The contactor can operate at high frequencies, up to 1200 times per hour when the power is turned on and off

Q:What is the number of AC contactors?: the arc extinguishing device, the general capacity of the larger AC contactor are equipped with arc extinguishing device, in order to quickly cut off the arc, from burning the main contact

Q:How does the contactor interlock?: Interlocking is the two contactors can not be connected at the same time, generally used in the motor reversing circuit

Q:Basic classification of AC contactors: contact system: contact is the implementation of contactor, including the main contact and auxiliary contacts.

Q:The main classification of contactors: The product is mature: Model: CJ20J, NSFC1, NSFC2, NSFC3, NSFC4 , NSFC5, NSFC12, NSFC19, CJ40J, NSFMR.

Q:What is the difference between a release, a contactor and a circuit breaker?: Detector is a switch circuit breaker or thermal relay inside a body, popular say that some of the monitoring circuit to reach a certain degree of time to trigger the trigger, the purpose is to control the circuit break.

Q:What about the number of AC contactors?: When the coil is powered off, the suction disappears, and the moving core interlocking part is separated by the reaction force of the spring

Q:Permanent magnet AC contactor working principle: keeping and releasing. The variable polarity of the soft magnet is generated by the electronic module with which it is solidified to produce a positive and negative pulse current of ten to twenty milliseconds, resulting in a different polarity

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