MVXNS-12 series indoor high-voltage vacuum circuit breaker, rated voltage 12KV, three-phase AC 50Hz indoor high-voltage switchgear, suitable for control or protection switches in power plants, substations and industrial and mining enterprise transmission and distribution systems, especially suitable for Switching off important loads and frequent operations in high-altitude areas

The manufacturing of MVXNS-12 series indoor high-voltage vacuum circuit breakers complies with my country's national standards GB1984-2003 "AC High-voltage Circuit Breakers", DLT403-2000 "3.6-40.5KV Indoor Vacuum Circuit Breakers Ordering Technical Conditions" and related IEC standards, and Has reliable interlocking function.

The operating mechanism of the MVXNS-12 series indoor high-voltage vacuum circuit breaker is a spring energy storage type, which can be operated by AC or DC energy storage or manually.

The MVXNS-12 series indoor high-voltage vacuum circuit breaker can also be equipped with a long-life permanent magnet operating mechanism, with a mechanical life of up to 60,000 times, and can be used in extremely frequent operations.

The MVXNS-12 series indoor high-voltage vacuum circuit breaker is designed with a front-to-rear assembly structure. It can be used as a fixed installation unit or as a mid-mounted unit when assembled with a chassis.