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  • On the 20th of this month, 777 Electric Technology Co., Ltd. held a 5S employee training meeting, which was presided over by Comrade Cai Jing, workshop supervisor.

    2022-04-21

  • Main function of vacuum interrupters is that through the excellent insulation of the vacuum in the tube, the medium and high voltage circuits can quickly extinguish the arc and suppress the current after the power supply is cut off, so as to avoid accidents. They are mainly used in power transmission and distribution control systems, and also in metallurgy, mining, petroleum, chemical, railway, broadcasting, communication, industrial high-frequency heating and other power distribution systems.

    2022-04-15

  • The embedded pole has the following advantages: compared with the traditional assembled pole, the number of parts of the solid-sealed pole is greatly reduced,and the embedded pole can achieve a high dielectric strength。

    2022-04-15

  • The fixed conductive rod, the fixed arc surface, the fixed contact, the movable contact, the movable arc surface and the movable conductive rod constitute the conduction system of the arc extinguishing chamber.

    2022-04-11

  • The bellows of the vacuum interrupter is mainly responsible for ensuring that the moving electrode moves within a certain range and maintains a high vacuum for a long time, and ensures that the vacuum interrupter has a high mechanical life.

    2022-04-11

  • The shielding system of the vacuum interrupter is mainly composed of shielding cylinder, shielding cover and other parts.

    2022-04-11