contactor

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Loading Port:: Wenzhou

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 10000pcs pc/month

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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:Briefly describe the type of contactor: the permanent magnetism and the spring force act together. In the process of stable operation, the permanent magnet suction is used instead of the previous electromagnetic attraction to keep the armature and the core.

Q:Similar terms for contactors and relays: The main function of the main circuit is to connect to or disconnect the main circuit. The so-called main circuit is a circuit is working or not by the circuit is connected to the mark.

Q:Dynamic Measurement Technology of Contactors and Comprehensive Evaluation Method: . The test device can complete the contactor excitation current, voltage, pull the process of coil power consumption of the electrical parameters of the measurement

Q:Three-phase AC contactor has several terminals that have a role: How to connect, first of all should know the principle of AC contactor. He is using external power to the coil, resulting in electromagnetic fields

Q:Why should the thermal relay be used with the AC contactor: triggering the normally closed contact of the thermal relay to disconnect the AC contactor coil circuit, and the AC contactor After the coil is lost, the main contact is reset and the motor is stopped

Q:Whether can the AC contactor cut off the short circuit current?: so that the main contact is disconnected and the auxiliary normally closed contact which is mechanically connected with the main contact is closed

Q:Computer-centric development trend: Using Visual C ++ 6.0 software to develop the acquisition program and man-machine interface, the data processing program can carry on the real-time automatic processing to the data, has reduced the error caused by the manual processing waveform data.

Q:Seeking Star Triangle to start the contactor on and off the order and process: The picture of the triangle - the triangle shows you! And explain the process!

Q:What about the number of AC contactors?: so that the main contact is disconnected and the auxiliary normally closed contact which is mechanically connected with the main contact is closed

Q:What is the formulation of the contactor?: contactor number of auxiliary contacts, and contactor installation options

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