Discuss RCD Tripping times in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

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AA410

Hi good people am i right in thinking that a 30 ma rcd must trip below 40 ms at 5x not at 1x if i understand what it says in the onsite guide hope you can help
 
That's right. 40ms at 5x , and 200ms at 1x (for an RCBO it is 300ms for 1x)
 

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