· VS1 (ZN63)-12 series indoor high-voltage AC vacuum circuit breaker is a high-voltage switchgear for Luna high voltage switchgear. It is suitable for three-phase power system with rated voltage of 12kV and frequency of 50Hz. It has protection and control functions. Due to the special advantages of vacuum circuit breakers, it is especially suitable for frequent operations requiring rated current or multiple short-circuit currents.
·VSI (ZN63)-12 adopts a fixed installation of the inside-mounted high-voltage AC vacuum circuit breaker, which is mainly used for fixed switchgear. The circuit breaker can be used alone or in ring power supply, box-type substation or Various non-standard power supply systems.