A 3-phase circuit breaker is rated at 1250 A, 2000 MVA, 33 kV, 4s. Its making current capacity will be

A 3-phase circuit breaker is rated at 1250 A, 2000 MVA, 33 kV, 4s. Its making current capacity will be  

(a) 35 kA (b) 89 kA (c) 79 kA (d) 69 kA
by

1 Answer

Answer :

89
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