Main Technical Parameters
Model |
CKG3-7.2/160-630 |
|||
Main circuit rated voltage(KV) |
7.2 |
7.2 |
7.2 |
7.2 |
Main circuit rated current(A) |
160 |
250 |
400 |
630 |
Main circuit making ability(A/10 Ops.) |
1600 |
2500 |
4000 |
6300 |
Main circuit break-making ability(A/10 Ops.) |
1280 |
2000 |
3200 |
5000 |
Maximum break ability(A/3 Ops.) |
3200 |
3200 |
4000 |
6300 |
Mechanical life(Ops.) |
1000000 |
1000000 |
1000000 |
1000000 |
Engineering lock life(Ops.) |
100000 |
100000 |
100000 |
100000 |
Power-frequency withstand voltage for main circuit(kV) |
32 |
32 |
32 |
32 |
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 |
Engineering lock operate frequency(Ops.Zh) |
30 |
30 |
30 |
30 |
Clearance between open contact(mm) |
4 ±0.5 |
4 ±0.5 |
4 ±0.5 |
4 ±0.5 |
Over travel(mm) |
≥1.2 |
≥1.2 |
≥1.2 |
≥1.2 |
Outline And Installation Dimensions