China Zw20 Outdoor Vacuum Circuit Breaker Sf6 Gas Insulation 12kv Load Break Switch, Find details about China Vacuum Circuit Breaker, Vcb from Zw20 Outdoor Vacuum Circuit Breaker Sf6 Gas Insulation 12kv Load Break Switch
Service environment:
1.Altitude: ≤3000 Meters
2.Enviroment temperature: outdoor -40ºC ~ +40ºC the daily temperature difference is 25ºC
3.Wind speed: ≤35m/s
4. Location is without inflammable substances, explosives, rusty chemicals and strenuous vibration
NO. | Item | Unit | Value |
01 | Rated voltage | kV | 12 |
02 | Rated frequency | Hz | 50 |
03 | Rated current | A | 630 |
04 | Rated short-circuit breaking current | kA | 20 |
05 | Withstand current of rated peak current | kA | 50 |
06 | Rated short time withstand current(4s) | kA | 20 |
07 | Rated short open/close current(peak) | kA | 50 |
08 | Mechanical life | times | 10000 |
09 | Open/close times of rated current | times | 10000 |
10 | Open/close times of rated short-circuit breaking current | times | 30 |
11 | Power frequency with stand voltage (1min):between phases, ground/fracture | kV | 42/49 |
12 | lightning impulse withstand voltage(peak)between phases, ground/fracture | kV | 75/85 |
13 | 2nd circuit 1min power frequency withstand voltage | kV | 2 |
14 | Net weight | kg | 140 |