| Content | Unit | Parameter |
| Switch Contact pressure standard | N | 80-190 |
| Open tri-phase dissimilar | ms | ≤2 |
| Close tri-phase dissimilar | ms | ≤2 |
| Opening average speed | m/s | 3-6 |
| Closing average speed | m/s | 4-6 |
| Tri-phase bounce standard | m/s | ≤2 |
| Three-phase output angle | ° | 88° |
| Mechanical life | Times | 10000 |
| Operation strength | N | ≤110 |