High Voltage Vacuum Circuit Breaker (HV VCB) – Reliability Reimagined
Direct from China’s Top Manufacturer. Sustainable SF6-free technology with up to 150,000 mechanical operations. Get wholesale pricing today.
As a premier china high voltage vacuum circuit breaker manufacturer, we engineer solutions for the world’s most demanding grids. Unlike conventional gas-insulated units, our high voltage vacuum circuit breaker line utilizes advanced vacuum interrupters for arc quenching, eliminating environmental risks. Whether you need a wholesale high-voltage vacuum circuit breaker for a 12kV industrial substation or a 40.5kV renewable energy site, our products ensure zero-restrike performance. Explore our full Vacuum Circuit Breaker range for custom configurations.
The Challenge
High maintenance costs and toxic gas leaks in traditional SF6 breakers often lead to grid downtime and heavy environmental penalties.
Our Fix
Our VCBs are “Sealed for Life,” requiring zero maintenance of the interrupter and providing an eco-friendly footprint with 20+ years of service.
Eco-Friendly Interruption
Pure vacuum arc quenching—no SF6 gas, zero GWP.
Modular Mechanism
Simple spring-operating mechanism for easy site maintenance.
Extreme Duty
Class M2 and C2 ratings for the most demanding switching cycles.
Anti-Condensation
Specialized insulation designed for humid and coastal climates.
Technical Specifications
| Parameter | Range/Value |
|---|---|
| Rated Voltage | 12kV / 24kV / 33kV / 40.5kV |
| Rated Current | 630A – 4000A |
| Short-circuit Breaking Current | 25kA / 31.5kA / 40kA / 63kA |
| Mechanical Life | 10,000 – 150,000 operations |
Vacuum vs. SF6 Technology
Vacuum (Our Solution)
- 25-year service life
- Zero Global Warming Potential (GWP)
- Minimal fire & explosion risk
- No gas handling required
SF6 (Traditional)
- High gas handling costs
- Toxic decomposition products
- High environmental tax (GWP)
- Complex leakage monitoring
Frequently Asked Questions
Ready to Upgrade Your Grid?
Request a customized technical proposal and our latest high voltage vacuum circuit breaker for sale pricing.
English