Customization: | Available |
---|---|
Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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No. | Item | Unit | data | |||
1 | Rated voltage | kV | 15 | 27 | 38 | |
2 | Rated current | A | 630 | 1250 | 1600 | |
3 | Rated frequency | HZ | 50/60 | |||
4 | Power frequency 1min | Dry | kV | 50 | 65 | 85 |
Wet | 45 | 55 | 75 | |||
5 | Lightning impulse withstand voltage(peak value)alternate, opposite/fracture | kV | 110 | 150 | 170 | |
6 | Rated short circuit breaking current | kA | 20 | 16/25 | 12.5 | |
7 | Rated short current switching current(peak value) | kA | 50 | 40/63 | 31.5 | |
8 | Rated peak value withstand current | kA | 50 | 40/63 | 31.5 | |
9 | 4S short time withstand current | kA | 20 | 16/25 | 12.5 | |
10 | Rated operating circulate | O-T1-CO-T2-CO-T3-CO-T4-CO | ||||
11 | Breaking current frequency under rated short circuit | times | 30 | |||
12 | Mechanism life | times | 10000 | |||
13 | Secondary loop 1 min power frequency withstand voltage | kV | 2 |