circuit breaker work alone during fault condition or need
any relays ?
Answers were Sorted based on User's Feedback
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 / syed
it need relay otherwise it will not work at all
|Is This Answer Correct ?||4 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|
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