Ambient condition
- Altitude: ≤1000m;
- Ambient temperature: -25℃ ~+40℃ ;
- Relative humidity: daily average ≤95% , monthly average ≤90% ;
- Earthquake intensity: 8 degree.
Product feature
- Advanced design and steady performance.
- Simple structures, simple mounting and adjustment.
- Quick breaking and making capability.
- Handsome appearance and delicate manufacture technics.
- Usable and scientific, available operation on both two sides(right and left).
Technical specification
Item | Unit | Data | ||
Rated voltage | kV | 12 | 40.5 | |
Rated short-time withstand current | kA | 31.5, 40,50 | 31.5 | |
Rated short-circuit duration | s | 4 | 4 | |
Rated short-circuit making current | kA | 80, 100, 125 | 80 | |
Rated peak withstand current | kA | 80, 100, 125 | 80 | |
Central distance between poles | mm | 150, 165, 210, 230, 250, 275 | 350 385 460 | |
Rated insulting level | 1min. PF withstand voltage | kV | 42/49 | 95 |
Lightning impulse withstand voltage | 75/85 | 185 |