Short circuit capacity & max zs | on ElectriciansForums

Short circuit capacity & max zs

Discuss Short circuit capacity & max zs in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

J

JGG

Hi all. I tested a building last week where they had used bs 3871 and also bs 4293 rcbos/mcb's. I can't seem to find the ka of these and also the max zs permitted.
 

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