Wuhan Feite Electric Co.,Ltd
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Payment Terms: | T/T,L/C,D/A,D/P,WU |
Place of Origin: | Hubei, China (Mainland) |
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Main Technical Data | ||||
Rated voltage | kv | 12 | ||
Rated lighting impulse withstand voltage | kv | Interphase or to ground 75,fructure 80 | ||
Rated short-time power frequency withstand voltage(dry) | kv | Interphase or to ground 42,fructure 48 | ||
Rated short-circuit breaking current | kA | 20/25 | 31.5 | 40 |
Rated current | A | 630/1250 | 630/1250/ 1600/2000/ 2500/3150 | 1250/1600/ 2000/2500/ 3150/4000 |
Rated thermostability current(valid) | kA | 20/25 | 31.5 | 40 |
Rated dynamic stability current(peak) | kA | 50/63 | 80 | 100 |
Rated short-circuit making current(peak) | kA | 50/63 | 80 | 100 |
Power frequency withstand voltage of secondary circuit(1 min) | v | 2000 | ||
Rated working current of overcurrent and tripping coil | A | 5 | ||
Rated operating sequence | 0-0.3s-CO-180s -CO/0-180s-CO-180s-CO(40KA) | |||
Rated thermostability time | s | 4 | ||
Rated single/back to back capacitor bank breaking current | A | 630/400 800/400(40kA) | ||
Mechanical life | times | 10000 | ||
Note:It need to be forced coolingwhen rated current is 4000A Rated characteristics can be given on requ |