Name: ZW20-12 Outdoor HV Vacuum Circuit Breaker
No.: G-003
Addtime: 2017-06-28
Views : 5
Application：
ZW20-12 model outdoor AC vacuum circuit breaker is used to make and break load current and short-circuit in 12/24Kv, 50/60HZ power system. It is applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operation and automatic power distribution network. It accords with the standards of IEC62271-100& GB1984 AC high voltage circuit breaker, GB/T 11022 HV General Technical requirment of switches and control apparatus.
Ambient Condition:
1.Altitude: ≤3000 Meters
2.Enviroment temperature:?outdoor -40℃?~ +40℃?the?daily temperature difference is 25℃
3.Wind speed: ≤35m/s
4. Location is without inflammable substances, explusives, rustry chemicals and strenuous vibaration
Model Description:
Technical Parameter:
| No. | Item | Unit | Data |
| 1 | Rated voltage | kV | 12 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Rated current | A | 630、1000 |
| 4 | Rated short-circuit breaking current | kA | 12.5、16、20、25 |
| 5 | Withstand current of rated peak current | kA | 31.5、40、50、63 |
