| No | Item | Unit | Parameter |
| 1 | Rated voltage | KV | 3.6,7.2/12 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Rated current of breaker | A | 630,1250,1600,2000,2500,3150 |
| 4 | Rated breaking active load current | A | 630,1250,1600,2000,2500,3150 |
| 5 | Rated closed loop breaking current | KA | 20,25,31.5,40 |
| 6 | Rated current under the cable charging breaking current | KA | 50,63,80,100 |
| 7 | Rated short-circuit closing current(peak) | KA | 20,25,31.5,40 |
| 8 | Rated short-circuit breaking current | KA | 50,63,80,100 |
| 9 | Rated insulation level | 1 min frequency withstand voltage | Pole,the pole pair | KV | 24,32,42 |
| break between | KV | 24,32,48 |
| Lighting impulse withstand voltage(peak) | Pole,the pole pair | KV | 40,60,75 |
| break between | KV | 46,70,85 |
| 10 | Degree of protection | KV | Enclosure IP4X,compartment,circuit breaker door open when IP2X |
Complaint
