Customization: | Available |
---|---|
Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Manual Type |
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Audited by an independent third-party inspection agency
No. | item | unit | data | ||||
1 | Rated voltage | kV | 12 | 15 | 27 | 38 | |
2 | Rated current | A | 630 | 630 | 630 | 630 | |
3 | Rated frequency | Hz | 50/60 | ||||
4 | Power frequency 1min | Dry | kV | 42 | 60 | 79 | 85 |
wet | 34 | 55 | 65 | 70 | |||
5 | Lightning impulse withstand voltage (peak value) alternate, opposite/fracture | kV | 75 (95*) |
110 (125*) |
125 (150*) |
170 (200*) |
|
6 | Symmetrical fault-making current | kA | 20*/16/12.5 | ||||
7 | Fault making peak current | kA | 40*/32.5 | ||||
8 | Short-time symmetrical withstand current | kA | 10/8 | ||||
9 | Rated operating circulate | O-3min-CO | |||||
10 | Maximum single capacitor breaking | A | 630/800* | ||||
11 | Maximum back to back capacitor bank breaking | A | 400/630* | ||||
12 | Mechanism life | Times | 10000 | ||||
13 | Electrical life under 200A working current | Times | 10000min | ||||
14 | Secondary loop 1 min power frequency witstand voltage | kV | 3 |