Ambient condition
- Altitude:≤3000m ;
- Ambient temperature: -30 ~+40 ;
- Wind speed:≤35m/s;
- Air pollution: ≤IV;
- Earthquake intensity: ≤8 degree;
- Ice thickness:≤10mm.
Model
Technical specification
| No. | Item | Unit | Data | ||
| 1 | Rated voltage | kV | 12,40.5 | ||
| 2 | Rated current | A | 630 | ||
| 3 | Rated power frequency | Hz | 50/60 | ||
| 4 | Rated peak withstand current | kA | 50, 63 | ||
| 5 | Rated short-time withstand current | kA | 20, 25 | ||
| 6 | Rated short-time withstand current duration | s | 4 | ||
| 7 | Main loop resistance | 12kV 90 | 40.5kV 100 | ||
| 8 | 1min(dry) power frequency withstand voltage | phase to phase phase to earth across open contacts | 42/48 | 95/115 | |
| 9 | 1min(wet) power frequency withstand voltage | kV | 30 | 85 | |
| 10 | lightning impulse withstand voltage (peak) | 75/85 | 185/215 | ||
| 11 | Mechanical life | Times | 2000 | ||
Structure feature
This disconnect switch consists of frame, operating insulating, static contactor, blade, linkage spring mechanism, etc. Frame: 5mm chickness bended armor plate, there are holes on the frame to fixed post insulator.
Post and operating insulator: adopt ZS-12, 40.5 series outdoor clubbed post insulator, The mini resist bend load is 4000N. Static contactor: it is made of violet copperplate and fixed on post insulator.
Blade: it is made of rectangular violet copperplate, there is an press-spring to adjust press. The switch vertical or horizontal installed in outdoor with CS□mechanism.
