circuit breaker work alone during fault condition or need
any relays ?
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Answer / pradhyumn
relays are devices that detects the fault and initiates the
operation of the circuit breaker to isolate the defective
elment from the rest of the system.(V.K. Mehta)
Is This Answer Correct ? | 11 Yes | 1 No |
Answer / avd
It depends on circuit breaker. If sensing eliment is
installed inside the CB or outside the CB. Like MCCB with
maganetic trip latch will operate. Same way MCB will also
operate as it has short ckt and O/L sensing eliment. But
large circuit breakers have relays outside.
Is This Answer Correct ? | 1 Yes | 0 No |
yes, relay is used in circuit breaker for automatic opration. without relay it is oprated manually
Is This Answer Correct ? | 1 Yes | 1 No |
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