12kV Indoor High Voltage Vacuum Circuit Breaker
This indoor high-voltage vacuum circuit breaker is designed for 12kV power systems. It is used as a protection and control unit for power grid equipment and industrial and mining enterprise power equipment.





Technical Specifications
Product Overview
High-Reliability Vacuum Circuit Breaker
This 12kV indoor vacuum circuit breaker is designed for tri-phase AC 50Hz power systems, providing essential control and protection for industrial, mining, and power substation environments. Engineered for frequent operation, it features a robust vacuum interrupter design that ensures high reliability, minimal maintenance, and long service life. The unit is versatile, supporting both fixed installation and handcart configurations for seamless integration into various switchgear cabinets.
Technical Specifications
Installation Compatibility
- Fixed installation
- Handcart unit (KYN28A 12/GZS)
- Fixed XGN switchgear
- Rated Voltage
- 12 kV
- Rated Frequency
- 50 Hz
- Operating Mechanisms
- Spring MechanismPermanent Magnet Mechanism
Key Features
Performance Highlights
Operational Advantages
Compatibility
Compatible Switchgear
| Switchgear Type | Configuration |
|---|---|
| KYN28A 12 (GZS) | Handcart |
| XGN | Fixed |



