| Rated voltage | 24KV |
| Rated current | 1250/1600A |
| Rated frequency | 50HZ |
| Rated short-time power frequency withstand voltage (1min) | 79KV |
| Rated lightring impulse withstand voltage (1 min) | 145KV |
| Rate short-circuit breaking current | 31.5KA |
| Rate short-circuit making current(peak) | 80KA |
| Rated operations of short-circuit breaking current interruption | 20 times |
| Rated single capacitor bank breaking current | 400A |
| Rated short-time withstand current | 31.5KA |
| Rated peak withstand current | 80KA |
| Rated duration of short-circuit | 4s |
| Mechanical life | 10000 times |
| Contact closing force due to bellows and atmosphere | 120±50N |
| Conterforce at rated contact stroke | 190±60N |
| Circuit resistance at rated contact atmosphere force | ≤20μΩ |
| contact erosion limit | 3mm |
| Shelf life | 20 years |
| Weight of moving parts | ≤1.6kg |
| | |
