Answer / sami thamer

the value of the (KA) in (mccb) represent the resistance to
current rising occuring at the short circuit or at
earthleakaging.

Answer / utsav datta

KA denotes the s/c current breaking capacity of the circuit
breaker under s/c condition.
The improvisation is actually resistance to current rising
at s/c.

hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

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