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What is the composition of the AC contactor of the vacuum plasma surface treatment machine and how to choose:
The AC contactor is an electrical component that constitutes the control circuit of the vacuum plasma surface treatment machine, and has been widely used in experimental and conventional vacuum plasma surface treatment machines.
What is the AC contactor like in the vacuum plasma surface treatment machine? Friends who pay attention to observation may have observed it, but I believe that everyone does not know much about other aspects of the AC contactor. In fact, an AC contactor is an electrical component widely used in automatic control circuits. Its working principle is to control a large current through a small current, so it is safer and more reliable to use. So, what parts does the AC contactor include? What are the methods and techniques for the selection of contactors? In the next step, I will introduce the composition and selection method of the AC contactor of the vacuum plasma cleaner. I hope it will be helpful to everyone.
Composition of AC contactor:
It is mainly composed of moving and static main contacts, moving and static iron cores, arc extinguishing covers, auxiliary contacts and bracket plastic shells, springs, etc. After the electromagnetic coil is energized, the moving iron core is attracted by electromagnetic force and driven directly or by a lever to make the moving contact and the static contact contact and connect the circuit; after the electromagnetic coil is de-energized, the moving iron core automatically returns to its position , The contacts are separated, the normally open melting point is disconnected, and the normally closed contact is closed.
Selection method of AC contactor:
In actual use, the vacuum plasma surface treatment machine generally runs continuously for a long time. In order to ensure the stable operation of the machine, manufacturers with high equipment quality requirements generally choose branded products with quality assurance in the selection of contactors.
In addition, in addition to choosing a good quality AC contactor, the selection is also a skill. The rated current value of the AC contactor of the vacuum plasma surface treatment machine we choose must be greater than or equal to the rated current value of the actual load, otherwise it will be greatly shortened The service life of the AC contactor. The coil voltage is DC or AC, and the size of the voltage must be matched with the actual application, and it must be done as required when wiring.
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