12kV Indoor Vacuum Circuit Breaker
The 12kV indoor vacuum circuit breaker is a three-phase AC 50Hz indoor switchgear component with a rated voltage of 12kV. It can be equipped with switchgear such as KYN28A-12 and GZS1 and is suitable for applications in power plants, substations, and industrial facilities.





Technical Specifications
Overview
VS1-12 Medium Voltage Vacuum Circuit Breaker
The VS1-12 is a professional-grade indoor vacuum circuit breaker designed for 12kV three-phase AC power systems at 50Hz/60Hz. Engineered for high reliability, it features advanced vacuum interrupter technology for superior arc quenching and long operational life. Its modular, maintenance-free design is suitable for frequent operation in power plants, substations, and industrial facilities, meeting stringent international standards including GB1984 and IEC62271-100.
Technical Specifications
Performance Metrics
Key Capabilities
- High-speed recloser functionality
- Multiple opening/closing operations
- Reliable mechanical interlock
- Composite insulated material
- Fixed and withdrawable mounting options
Compatibility
- Compatible Switchgear Panels
- KYN28XGNKYN28A-12ABB-UniswitchGZS1VD4-12



