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Features:
1.Reliable insulation performances.
2.Utilization of spring operating mechanism.
3.Low noise,easy or free of maintenance.
4.Easy installation and adjstment.
Technical Data:
| Item | Unit | Data | |||
| Rated voltage | kV | 145 | |||
| Rated current | A | 3150 | |||
| Rated short-circuit breaking current for Isc | kA | 40 | 31.5 | 40 | 31.5 |
| Rated short-circuit making current (peak) | kA | 100 | 80 | 100 | 80 |
| Rated short-time withstands current/contnuous time | kA/s | 40/4 | 31.5/4 | 40/4 | 31.5/4 |
| Rated withstands current (peak) | kA | 100 | 80 | 100 | 80 |
| Power frequency withstands voltage for 1min(Breaks) | kV | 230+273 | 230 | 210 | 210 |
| Power frequency withstands voltage for 1min(To earth) | kV | 230 | 230 | 210 | 210 |
| Lighting impulse withstand voltage (peak) (Breaks) | kV | 550+103 | 550 | 450 | 450 |
| Lighting impulse withstand voltage (peak) (To earth) | kV | 550 | 550 | 450 | 450 |
145kV SF6 Circuit Breaker