Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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Rated voltage | 12KV | Over-current trip rated current | 5A | ||
Rated current | 630/1000A | Mechanical life | 10000times | ||
Rated frequency | 50HZ or 60HZ | Cumulative thickness of allowable wear of dynamic and static contacts | 3mm | ||
Rated short circuit breaking current | 20/25KA | Rated current of overcurrent release | 5A | ||
Rated short-circuit closing current(peak value) | 50/63KA | current ratio of current transformer | 200/5 400/5 600/5 |
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Rated short-term withstand current | 20/25KA | Contact spacing | 9mm | ||
Rated peak withstand current | 50/63KA | Contact stroke of contact | 2.5±0.5mm | ||
Rated short-circuit breaking current breaking times | 30times | Average opening speed | 1.2±0.2m/s | ||
Rated short circuit duration | 4s | Average closing speed | 0.6±0.2m/s | ||
Rated operating voltage | AC/DC220V | 1 min power frequency withstand voltage of secondary circuit | 2000V | ||
Rated operating sequence | point-0.3-cimbined points-180s-combined points | Rated current cut-off times | 10000times | ||
Closing bounce time | ≤2ms | The sated pressure of SF6 gas | 0MPa | ||
Rated insulation level | 1 min power frequency withstand voltage | Dry type | 42/48 | Weigh | 140kg |
Wet type | 34 | ||||
Secondary circuit to ground | 2 | ||||
Lightning impulse withstand voltage (peak value) | 75/85 |