| Sr. | Content | | | Unit | Value |
| 1 | Rated Voltage | KV | 10 12 15 | ||
| 2 | Max. working voltage | KV | 12 12 7.5 | ||
| 3 | Rated insulation level | 1 min frequency tolerance voltage | To the ground | KV | 40 40 40 |
| (effective value) | Break | KV | 47 47 47 | ||
| Lightning impulse withstand voltage | To the ground | KV | 105 105 105 | ||
| (Peak) | Break | KV | 120 120 120 | ||
| 4 | Rated frequency | HZ | 50 | ||
| 5 | Rated current | A | 200 400 630 800 1000 1250 | ||
| 6 | 4s heat stabilized current (effective value) | KA | 6.3 12.5 20 25 25 31.5 | ||
| 7 | Dynamic current(effective value) | KA | 16 31.5 50 63 63 80 | ||
| 8 | Creep distance | MM | 300 380 | ||


