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MCCB 400 Amps 50KA 430Volt AC
What is mean by 50KA
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Answer Posted / shakeel ahmed
50KA is the breaking capacity. which means that for all fault currents below 50KA, the circuit breaker can de-energize the circuit successfully. if the fault current comes more than 50KA then this circuit breaker will not be able to break, but itself will get damaged.
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