◆ Use Conditions
1.Ambient temperature: -30℃~+60℃;
2.Altitude: ≤3000m;
3.Wind speed: ≤34m/s;
4.Pollution grade: ≤IV.
5.Storage temperature: -40℃~+85℃.
◆ Main Technical Parameters
| NO. | Items | Unit | Value |
| 1 | rated voltage | kV | 40.5 |
| 2 | 1min power frequency withstand voltage | kV | 95 |
| 3 | lightning impulse withstand voltage | kV | 185 |
| 4 | rated frequency | Hz | 50 |
| 5 | rated current | A | 630,1250,1600 |
| 6 | rated short circuit breaking current | kA | 20, 25, 31.5 |
| 7 | rated short circuit making current (peak) | kA | 50, 63, 80 |
| 8 | rated peak withstand current | kA | 50, 63, 80 |
| 9 | 4s withstand current | kA | 20, 25, 31.5 |
| 10 | rated operating sequence | S | O-0.1s-CO-3s-CO-6S-60s recovery |
| 11 | rated short circuit current breaking number | times | 30 |
| 12 | mechanical life | times | 10000 |
| 13 | mechanism control voltage | IN | AC/DC220 |
| 14 | secondary circuit 1min power frequency withstand voltage | kV | 2 |
| 15 | clearance distance between open contacts | mm | 16±1 |
| 16 | over travel | mm | 4±0.5 |
| 17 | opening speed | m/s | 1.4-1.8 |
| 18 | closing speed | m/s | 0.4-0.8 |
| 19 | contact closing bounce time | ms | ≤5 |
| 20 | three phase opening/closing asynchronism | ms | ≤2 |
| twenty one | closing time | ms | ≤100 |
| twenty two | opening time | ms | ≤50 |
| twenty three | weight | kg | 270 |
◆Overall Drawing
