The VS1-12 Handheld Vacuum Circuit Breaker is a portable, high-performance switching device designed for 12kV, 50Hz three-phase AC power systems. Combining vacuum interrupter technology with ergonomic handheld operation, it delivers 31.5kA short-circuit breaking capacity and a mechanical lifespan exceeding 30,000 operations. Ideal for rapid maintenance and frequent switching in confined spaces, this breaker complies with GB/T 1984-2014 and IEC 62271-100 standards, offering IP4X protection and operation in extreme temperatures (-25°C to +60°C). Perfect for substations, mining grids, and emergency power systems requiring agile, tool-free interventions.

VS1 (ZN63A)-24 series indoor high-voltage vacuum circuit breaker is an intelligent switchgear designed for 24kV, 50Hz indoor power distribution system, integrating protection and control functions, suitable for industrial and mining enterprises, power plants and substations of high-reliability power scenarios. Using vacuum arc extinguishing technology, short circuit current breaking capacity of 25kA-31.5kA, mechanical life of more than 30,000 operations, in line with GB/T 1984-2014 and IEC 62271-100 standards. The modular handcar design ADAPTS to the KYN series switchgear with IP4X protection class, withstands extreme environments from -25°C to +60°C, supports quick plug and pull maintenance and intelligent condition monitoring (optional), and provides a "maintention-free, long life" power protection solution.

The ZN63A (VS1) indoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz indoor high-voltage switchgear with a rated voltage of 7.2-12 kV. It serving as a protection and control unit for power grid equipment and power equipment in industrial and mining enterprises.