Tungsten Copper Contact Used in High Voltage Switch

According to different arc extinguishing medium, tungsten copper contact in the high voltage switch can be divided into:

1. Oil circuit breaker contact.

2. Magnetic blow circuit breaker contact.

3. SF6 breaker contact.

4. Air circuit breaker contact.

5. Solid gas circuit breaker contact.

6. Vacuum circuit breaker contact.

The main function of it is to cut off, close the no-load current and load current in the high voltage circuit, through relay repair system failure. When loading on, the bounce of the contact causes the temperature of the surface rise continuously and the pulling arc is generated between the contacts.

The principle of it is when the switching load is switched on, ensure the contacts in the closing contact，meanwhile shortening the arcing time of the switch contact. In order to make the contact bounce, be sure to exert a great deal of pressure on the contact so as to cause a greater impact.

• < Prev
• Next >