Permanent magnet vacuum circuit breaker product
Main features of the products
- Patented technology with permanent magnet operating mechanism of double contact surface
- Double coil, bistable, and high opening speed
- Loaded manual emergency opening device
- High-power power electronics control mechanism coil on-off used, free of arc generation
Main Technical Parameters
- Rated voltage: 12kV
- Rated current: 630-4000A
- Rated short-circuit breaking: 20-40kA
- Short-circuit breaking times: 20-30 times
- Mechanism life: 120,000 cycles
- Altitude: 1000m/4000m
Model and configuration
| Model and configuration | ZN139-12/D | Z139-12/GD | ZN139-12/GDS | ZN139-12/DI | Z139-12/GDI | ZN139-12/GDSI | |
|---|---|---|---|---|---|---|---|
| Insulation mode | Compound | ● | ● | ||||
| Solid insulati | ● | ● | ● | ● | |||
| Vacuum Bubble | CHINA | ● | ● | ● | ● | ||
| JVs | ● | ● | |||||
| Online Monitoring | ● | ● | ● | ||||
| Place of use | Frequent action, class I and II load occasions | Frequent action, high insulation requirements, and Class I load occasions | Frequent action, high insulation requirements, and Class I load occasions | Frequent action, faulty operation not allowed, Class I load occasions | Frequent action, high frequency requirements, faulty operation not allowed, Class I load occasions | Frequent action, high frequency requirements, faulty operation not allowed, Class I load occasions | |
