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Answer Posted / atul pradhan
VCB means vaccum ckt breaker it can be used at any voltage
but due to its high cost it is generally used at HT side.
contacts of vcb operates in vaccum chamber.
It have spring charge moter,spring is used to operate
moving contacts.
It have closing & tripping coils & auxillery contact switch.
Can be operated manually also
| Is This Answer Correct ? | 22 Yes | 6 No |
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