NO. | ITEM | UNIT | VALUE |
1 | Rated voltage | kV | 40.5 |
2 | Rated current | A | 1250/1600 |
3 | Rated frequency | Hz | 50 or 60 |
4 | Power frequency withstand voltage 1 minute (wet) (dry) phase-to-phase, phase-to-ground/break | kV | 80 95/95 |
5 | Lightning impulse withstand current (peak) phase-to-phase, phase-to-ground/break | kV | 185 |
6 | Rated short-circuit breaking current | kA | 25/31.5 |
7 | Rated short-circuit making current (peak) | kA | 63/80 |
8 | Rated peak withstand current | kA | 63/80 |
9 | 4s short-time withstand current | kA | 25/31.5 |
10 | Rated operating cycles | | open - 0.1s - close/open -3s - close/open - 6sclose/open - 60s restore |
11 | Rated number of short-circuit current breaking | times | 30 |
12 | Mechanical life | times | 10000 |
13 | Mechanism control voltage | V | AC/DC220 |
14 | Secondary circuit 1 minute power frequency withstand voltage | KV | 2 |