Medium Voltage Vacuum Circuit Breaker
This medium voltage circuit breaker has a rated voltage of 12KV~40.5kV and a rated current of 630~4000A. It is designed to interchange with mainstream cabinets such as KYN28.



Technical Specifications
Overview
High-Performance Medium Voltage Protection
This medium voltage vacuum circuit breaker is engineered for reliability and safety in demanding power distribution networks. Featuring advanced arc-quenching technology, it ensures rapid interruption of fault currents to protect critical industrial and utility infrastructure. With a robust design and a mechanical service life exceeding 50,000 cycles, it provides a stable and long-term solution for modern electrical systems.
Technical Ratings
Rated Voltage
- Rated Current Range
- 630 - 4000 A
- Breaking Capacity
- 25 - 40 kA
Performance
- Maximum Mechanical Life
- 50000 operations
- Max Short-Circuit Breaking Operations
- 50 times
- DC Component Capacity
- 62 %
Compatibility
- Interchangeability
- KYN28 Compatible



