What are the main performance characteristics of vacuum contactors?

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The main performance characteristics of vacuum contactors include:


1.High arc extinguishing ability: Since the vacuum contactor uses a high vacuum arc extinguishing chamber inside, it has a very strong arc extinguishing ability. When the current is cut off, the arc can be extinguished in a very short time, effectively preventing the arc from eroding the contacts and damaging the equipment.

2.Excellent voltage resistance: The vacuum contactor works in a vacuum environment, and the insulating medium is a vacuum, so it has high insulation strength and voltage resistance. This enables it to withstand higher voltages without breakdown or flashover.

3.No arc spraying: When breaking the current, the arc inside the vacuum contactor is confined to the arc extinguishing chamber and will not spray outward, thereby reducing the damage of the arc to surrounding equipment and personnel.

4.Small size and light weight: Since the vacuum arc extinguishing chamber has a compact structure and does not require a large amount of insulating materials and cooling equipment like traditional contactors, the size and weight of the vacuum contactor are relatively small, which is easy to install and maintain.

5.Long life: The contact material of the vacuum contactor is excellent, wear-resistant and corrosion-resistant, and due to its strong arc extinguishing ability and small contact wear, it has a long mechanical and electrical life.

6.High operating frequency: The vacuum contactor can respond to control signals quickly and realize frequent on and off operations, which is suitable for occasions requiring high operating frequency.

7.Easy maintenance: Due to the simple internal structure and strong arc extinguishing ability of the vacuum contactor, the maintenance workload is relatively small. At the same time, its long life also reduces the frequency of replacement and maintenance.

8.Environmental protection and pollution-free: The vacuum contactor does not produce harmful gases and substances when breaking the current, which meets environmental protection requirements and is particularly suitable for occasions with special requirements for the environment.

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