Domestic vacuum circuit breakers can be roughly divided into three categories: split structure, patchwork structure and integral structure The split structure is designed completely according to the original Sn10 type of oil less circuit breaker. It is…

Main technical parameters of vacuum circuit breaker The parameters of vacuum circuit breaker can be roughly divided into two aspects: selection parameters and operation parameters. The former is used by users in design and selection; The latter is the me…

Molded case circuit breaker is used to distribute electric energy and protect lines and power supply equipment from overload, short circuit, undervoltage and other faults. Its basic and important function is to act correctly and quickly remove power grid fau…

The high-voltage disconnector ensures the safety of high-voltage electrical appliances and devices during maintenance and plays the role of isolation voltage. It can not be used to cut off and input load current and short-circuit current. It can only be used …

The operation methods of each outdoor high-voltage vacuum circuit breaker are different, so how are they operated? When the vacuum circuit breaker is in the opening state, the distance between the moving and static contacts of the vacuum switch tube is…