China 12kv Lateral Vacuum Circuit Breaker Vcb, Find details about China 12kv Lateral Vacuum Circuit Breaker Vcb from 12kv Lateral Vacuum Circuit Breaker Vcb
Item NO. | Name | Unit | VSG | |
1 | Rated voltage Un | kV | 24 | |
2 | Rated frequency | Hz | 50 | |
3 | Rated current | A | 630/1250 | |
4 | Rated short circuit Breaking Current | kA | 31.5 | |
5 | Rated short circuit making current(peak) | kA | 80 | |
6 | Rated Short time withstand current (rms) | kA | 31.5 | |
7 | Rated short circuit endurance | s | 4 | |
8 | Rated peak withstand current | kA | 80 | |
9 | Rated cable charging breaking current | A | 25 | |
10 | Class of electrical endurance | Class | E2 | |
11 | Capacitive current breaking and making capability | Class | C2 | |
12 | Mechanical endurance | times | 10000 | |
13 | SF6 gas annual leakage rate | |||
14 | Rated insulation level | unit | ||
1min Power frequency withstand voltage (rms) | On isolating distance | kV | 60 | |
Phase to phase | kV | 50 | ||
Phase to earth | kV | 50 | ||
Lightning impulse withstand voltage (peak) | On isolating distance | kV | 145 | |
Phase to phase | kV | 125 | ||
Phase to earth | kV | 125 | ||
21 | optional :Motorised Operating Mechanism- voltage | V | DC24,DC48,DC110,DC220,AC220 |