Vacuum Circuit Breaker
ZW43-11 outdoor AC high voltage vacuum circuit breaker is mainly used to break and close load current, over-load current and short-circuit current in outdoor 12kV three-phase alternating current 50Hz power system, also suitable for occasion with frequent operations.
The product suitable for substations, industrial and mining establishments, rural power network and occasions with frequent operation to protect and control.
Main Technical Parameter
NO. | ITEM | UNIT | DATA |
1 | Rated voltage | kV | 12 |
2 | Rated current | A | 630 |
3 | Rated short-circuit breaking current | kA | 20 |
4 | Rated short-circuit breaking time | Time | 30 |
5 | Rated short-circuit making current (peak) | kA | 50 |
6 | Rated peak withstand current | 50 | |
7 | Rated short time withstand current/duration | kA/s | 20/4 |
8 | Mechanical life | Time | 10000 |
9 | Net weight | kg | 60 |
ZW43A-10 12kV High Voltage Outdoor Pole Mounted three phase Vacuum Circuit Breaker