Can an upstream fault cause an RCBO to trip? | Page 3 | on ElectriciansForums

Can an upstream fault cause an RCBO to trip?

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Discuss Can an upstream fault cause an RCBO to trip? in the Australia area at ElectriciansForums.net

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LlandrilloSpark

Fellas

Scenario - 1 main three phase board feeding 3 further three phase boards with each of those feeding 15 single phase boards containing only two final circuits each.

The fault is on the final circuits, ive tested the final circuits and all clear, can a fault on the distribution circuits upstream cause the RCBO to operate?

cheers
 
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