1 - 10 piece
11 - 100 piece
group nameVCB Vacuum Circuit Breaker
Min Order1 piece
brand nameJUCRO
modelHVD1 12KV 1250A 25KA
payment methodL/C, Western Union, MoneyGram, T/T
update timeWed, 18 May 2022 14:24:39 GMT
Min Order1 piece
Parameter |
||||||
1 |
Rated voltage |
KV |
12 |
|||
2 |
Rate voltage |
Hz |
50 |
|||
3 | Rated lightning impulse withstand voltage(1min) | KV | 75 | |||
4 | Rated short-time power frequency withstand voltage (1min) | KV | 42 | |||
5 | Rated short-circuit breaking current | KA | 20 | 25 | 31.5 | 40 |
6 | Rated current | A | 630,1000,1250 | 630,1000,1250,1600 | 1250,1600,2000,2500 | 1600,2000,2500,3150 |
7 | Rated peak withstand current | KA | 50 | 63 | 80 | 100 |
8 | Rated shorted-time withstand current | KA | 20 | 25 | 31.5 | 40 |
9 | Rated shorted-time making current(peak) | KA | 50 | 63 | 80 | 100 |
10 | Power frequency withstand voltage of secondary circuit(1min) | V | 2000 | |||
11 | Rated operation sequence | Off-0.3s-On&Off-180s- On& Off Off -180s- On& Off -180s- On& Off* | ||||
12 | Rated breaking current of capacitor bank | A | 630/400(40kA 800/400) | |||
13 | Opening time(rated voltage) | ms | 20~50 | |||
14 | Closing time(rated voltage) | ms | 30~70 |
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