fhp
As a follow-up question, neglecting the possibility of a fault occuring between the breaker and the fuse, the situation described above would therefore protect the power CB? To: MDOM; fuse has a 200,000 AIC rating: To GordS: Thanks, but per catalogue of power CB, withstand rating is 75kA.
I intend to use a 4,000A current limiting fuse to be installed right after the load terminals of a power CB with a 75kAIC rating in an existing switchboard (there is no space available to install the CLF at the line terminals of the breaker). Will the CLF protect the breaker for a 110kA...