



Item | Unit | Parameter | |||
Rated voltage | kV | 12 | |||
Rated insulation level | Rated peak voltage withstood by a lightning impulse | kV | 75 | ||
1 min withstand voltage supply frequency | 42 | ||||
Rated short-circuit breaking current | kA | 20/25 | 31.5 | 40 | |
Rated current | A | 630,1250 | 630,1250, 1600,2500, 3150,4000 | 1250,1600, 2000,2500, 3150,4000 | |
Rated thermostable current (RMS) | kA | 20/25 | 31.5 | 40 | |
Rated dynamic stabilization current (peak) | 60 | 80 | 100 | ||
Rated short-circuit current at closing (peak) | 63 | 80 | 100 | ||
Rated short-circuit current Number of breaks | Times | 50 | |||
Withstand frequency secondary voltage (1min)c | V | 2000 | |||
Rated sequence of operations | 0-0.3-CO-180s-CO | ||||
O-180s-CO-180s-CO | |||||
Rated thermal setup time | s | 4 | |||
Rated short-circuit current of single/parallel capacitor bank | A | 630/400800/400(40kA) | |||
Mechanical life | Times | 10000 |






