Main Technical Parameters
| Model | CKJ20-250 | CKJ20-400 |
| Main circuit rated voltage(V) | 2000 | 2000 |
| Main circuit rated current(A) | 250 | 400 |
| Main circuit making ability(A/100 Ops.) | 2500 | 4000 |
| Main circuit break-making ability(A/25 Ops.) | 2000 | 3200 |
| Maximum break ability(A/3 Ops.) | 3200 | 4000 |
| Electricity life AC3(Million times) | 600000 | 600000 |
| Electricity life AC4(Million times) | 60000 | 60000 |
| Mechanical life(Million times) | 1000000 | 1000000 |
| Rated operating frequency AC3(Ops./h) | 600 | 600 |
| Rated operating frequency AC4(Ops./h) | 120 | 120 |
| Short time operating frequency Ops./h(20S) | 2000 | 2000 |
| Clearance between open contacts(mm) | 3±0.5 | 3±0.5 |
| Over travel(mm) | ≥1 | ≥1.2 |
Outline And Installation Dimensions
