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What is mean A32 B32 C32 D32 in mcb(miniature circuit breaker)
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Answer Posted / manikandan krishnan
First Digit A denotes tripping Curve and second two digits are rating of the breaker..Normally C curve withstand 7-10 time of FLC,D - 10-14 TIMES AND B CURVE is 3.2-4.8 TIMES OF FLC.
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