| Model NO. | ZW20 | Arc-extinguishing Medium | Vacuum |
| Installation | Fixed |
Structure | Recloser |
| Poles Number | 3 | Type | Circuit Breaker |
| Function | Vacuum Circuit Breaker | Certification | ISO9001-2000, CE, CCC |
| Rated Voltage | 40.5kv | Rated Frequency | 50Hz |
| Mechanical Life | 10000 Times | Rated Current | 630A |
| Transport Package | Export Standard Wooden Case | Trademark | CHNGS |
| Origin | China |
HS Code | 8535210000 |
| Production Capacity | 500 Pieces/Week |
ZW20-12 high voltage vacuum breaker is outdoor power distribution equipment, with rated voltage 10-12kV, which is widely applies for protecting and controlling power distribution systems in transformer substations, industrial and mining establishments. The circuit breaker also frequently used in county electric networks. It can be as a ring network power supply unit and terminal unit to distribute electric energy, control and protect electric equipments. Combined with the isolate switch and intelligent controller, the breaker can be smart to control andmonitor load current, over-load current and short circuit current in power systems.
| Ltem | Describition | Unit | Data |
|---|---|---|---|
| 1 | Rated Voltage | KV | 12 |
| 2 | Rated Frequency | HZ | 50 |
| 3 | Rated Current | A | 630 |
| 4 | Rated Short Circuit Breaking Current | KA | 20 |
| 5 | Rated peak withstand current (peak) | KA | 50 |
| 6 | Second Themmal Stability Current | KA | 20 |
| 7 | Rated Operating Sequence | 0-0.3s-CO-180s-CO | |
| 8 | Rated short-time withstand current | KA | 20 |
| 9 | Rated short-circuit making current (peak) | KA | 50 |
| 10 | SF6 Rated Pressure | MPa | 0.01 |
| 11 | Rated short circuit current breaking time | Times | 30 |
| 12 | Mechanical life | Times | 10000 |
