Main Technical Parameters
| Model | CKG4-160-630/12-4 | |||
| Main circuit rated voltage(KV) | 12 | 12 | 12 | 12 |
| Main circuit rated current(A) | 160 | 250 | 400 | 630 |
| Main circuit making ability(A/100 Ops.) | 1600 | 2500 | 4000 | 6300 |
| Main circuit break-making ability(A/25 Ops.) | 1280 | 2000 | 3200 | 5000 |
| Maximum break ability(A/3 Ops.) | 3200 | 3200 | 4000 | 6300 |
| Mechanical life(Ops.) | 1000000 | 1000000 | 1000000 | 1000000 |
| Power-frequency withstand voltage for main circuit(kV) | 42 | 42 | 42 | 42 |
| Power-frequency withstand voltage for ouxillary circuit(kV) | 2.5 | 2.5 | 2.5 | 2.5 |
| Power-frequency withstand voltage for control circuit(kV) | 2 | 2 | 2 | 2 |
| Rated operating frequency(Ops./h) | 300 | 300 | 300 | 300 |
| Opening time(ms) | ≤120 | ≤120 | ≤120 | ≤120 |
| Closing time(ms) | ≤150 | ≤150 | ≤150 | ≤150 |
| Clearance between open contact(mm) | 5±0.5 | 5±0.5 | 5±0.5 | 5±0.5 |
| Over travel(mm) | ≥1.2 | ≥1.2 | ≥1.2 | ≥1.2 |
Outline And Installation Dimensions
