| Technical parameter |
Value |
| Main circuit rated voltage (KV) |
24 |
24 |
24 |
24 |
24 |
| Main circuit rated current (A) |
160 |
250 |
400 |
630 |
800 |
| Main circuit making capacity(A/100times) |
1600 |
2500 |
4000 |
6300 |
8000 |
| Main circuit break-make ability (A/25times) |
1280 |
2000 |
3200 |
5000 |
6300 |
Ultimate breaking capacity
(A/3times) |
3200 |
4000 |
4500 |
6300 |
6300 |
| Mechanical life(Times) |
100 0000 |
100 0000 |
100 0000 |
100 0000 |
1000000 |
| Electricity life AC3(Times) |
25 0000 |
25 0000 |
25 0000 |
25 0000 |
250000 |
| Electricity life AC4(Times) |
10 0000 |
10 0000 |
10 0000 |
10 0000 |
100000 |
| Power-frequency withstand voltage for the main circuit(fracture)(KV) |
65 |
65 |
65 |
65 |
65 |
| Phase-phase/phase-ground power frequency withstand voltage(KV) |
60 |
60 |
60 |
60 |
60 |
| Power-frequency withstand voltage for the control circuit(KV) |
2.5 |
2.5 |
2.5 |
2.5 |
2.5 |
| Rated operating frequency (Times/h) |
300 |
300 |
300 |
300 |
300 |
| Terminal pressure(N) |
>100 |
>100 |
>150 |
>150 |
>150 |
| Clearance between open contacts (MM) |
10±1 |
10±1 |
10±1 |
10±1 |
10±1 |
| Overtravel(MM) |
1.5±0.5 |
1.5±0.5 |
1.5±0.5 |
1.5±0.5 |
1.5±0.5 |
| Main circuit electric resistance( μΩ ) |
≤200 |
≤200 |
≤200 |
≤200 |
≤200 |