Indoor high voltage vacuum circuit breaker

r 3-series handcart-type indoor vacuum circuit breaker is a rated voltage of kilovolts, three-phase AC Hertz high-voltage switching equipment, suitable for the control and protection of power transmission and distribution systems in power plants, substations, industrial and mining enterprises, etc. The switch is especially suitable for switching important loads and frequent operations in high altitude areas. The manufacturing of the circuit breaker complies with my country's national standard B (AC high-voltage circuit breaker) - (3. Technical conditions for ordering indoor vacuum circuit breakers) and related standards, and has a reliable interlocking function. The operating mechanism of the circuit breaker is a spring energy storage type, which can be used. DC energy storage operation can also be operated manually. The circuit breaker can also be equipped with a long-life permanent magnet operating mechanism, with a mechanical life of up to 10,000 times, and can be used in extremely frequent operations. The circuit breaker is designed with a front-to-rear split structure. It can be used as a fixed installation unit, or it can be used with a chassis vehicle as a mid-mounted unit