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| Rated voltage | AC690V / 380V |
| Rated insulation voltage | 1000V |
| Allowable working temperature | 125ºC |
| Vertical busbar thickness | 6mm |
| Rated current | 125A, 250A, 400A, 630A |
| Power Frequency Withstand Voltage | 3500V |
| Ertical busbar Space between | 55mm |


| Model | Specification | A | C | D | Bolt |
| VKST6-B-3-125 | 3 Poles 125A | 26.5 | 28 | 40 | M8 |
| VKST6-B-3-250-1 | 3 Poles 250A | 26.5 | 28 | 40 | M8 |
| VKST6-B-3-250-2 | 3 Poles 250A | 41.5 | 44 | 55 | M10 |
| VKST6-B-3-400 | 3 Poles 400A | 41.5 | 44 | 55 | M10 |
| VKST6-B-3-630 | 3 Poles 630A | 61.5 | 64 | 75 | M10 |


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