Answer / pillay

MCB is magnetic or thermal protected over current protection
device. that means if the current flowing through this mcb
exceeds the rating of the mcb it would trip. how fast it
trips depends on how much more than the rated current is
flowing through
ELCB is a device to detect any earth leakage current only.
If the leakage current exceeds the rated current the elcb
would trip off the circuit . The ELCB does not give
protection against overcurrent.

Answer / saravanan.p

MCB - Miniature circuit breaker:- Which helps to avoid over current or fault current enter into the circuit.It protect the circuits by tripping operation.This is available up to 63A.

ELCB - Earth leakage circuit breaker:- Which helps to avoid the running current enter into the earth by means of tripping operation.This is available up to 63A.



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