contactor

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Product Description:

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).


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Q:Contactor frequent pull is how the matter
the coil terminal bad contact, need to tighten the terminal screws to make good contact.
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:What is the difference between a release, a contactor and a circuit breaker?
The contactor is divided into AC contactor (voltage AC) and DC contactor (voltage DC), which applies to power, power distribution and electricity.
Q:What is the noise-free function of traditional contactors?
so that static and dynamic silicon steel plate pull, when the grid voltage or dynamic silicon steel surface is uneven or dust, foreign objects, etc
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:What is the traditional AC contactor contact that does not vibrate?
When the voltage fluctuates in the critical state of closing and opening, the contactor is in the same way, Vibration, resulting in contact welding or burned, leaving the motor burned.
Q:On the difference between the contactor and the relay
The relay will be used as a contactor, but if a main circuit current is very large, so that The use of on-off main circuit contactor capacity is very large
Q:Contactor mainly by the drive system, contact system, arc and other components.
The main contact function is to connect and break the main circuit, control the larger current
Q:Distinguish contactor is good or bad
Short: after the boot, contactor after the pull, such as press does not turn, you do not know the contactor contact is broken, you can use the needle nose clamp * open, with two pointed short, then the same group of the upper and lower Contac
Q:What is the effect of the contactor coil parallel capacitor?
causing the surrounding electronic equipment, especially the PLC's electronic control equipment caused by interference, but also reduce the electrical life of the contacts.

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