| Rated Current （A） | 400 |
| Rated Voltage (KV) | 12 |
| Rated Making Capacity (A) | 4000 |
| Rated Breaking Capacity (A) | 3200 |
| Limited Breaking Capacity (A) | 4000 |
| Mechanical Life (Million times) | 0.5 |
| Electrical Life (Million times) | 0.1 |
| Closing Power(W transient) | 900(Closing Power) |
| Hold Power (W) | 300(Opening Power) |
CKG4-400/12kv
