Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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Technical Specification | ||||
Rated voltage | KV | |||
Rated frequency | HZ | |||
Rated insulation level | ||||
1min power frequency withstand voltage(effective value) (interphase, relative ground, vacuum fracture) | KV | |||
Lightning impulse withstand voltage(peak) (interphase, relative ground, vacuum fracture) | KV | |||
Rated current | A | 630 1250 |
630 1250 |
1250 1600 |
Rated short-circuit breaking current | 20 | 25 | 31.5 | |
Rated short-term withstand current(rated short-term thermal stable current) | 20 | 25 | 31.5 | |
Rated short circuit closing current | KA | 50 | 63 | 80 |
Rated peak tolerance current (rated dynamic stable current) | 50 | 63 | 80 | |
Disconnecting current of dissimilar grounding fault | 17.4 | 21.75 | 27.4 | |
Rated short circuit durantion (rated thermal stability time) | S | 4 | ||
Rated operation sequence | O-0.3s-CO-180s-CO Score-0.3s-score-180s-score |
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Rated short-circuit breaking current breaking times | Times | 30 | ||
Rated cable charging breaking current | 25 | |||
Rated single capacitor bank breaking current | A | 630 | ||
Rated back-to-back capacitor bank breaking current | 400 | |||
Mechanical life | Times | 10000 | ||
Dynamic and static contacts allow wear cumulative thickness | mm | 3 |