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