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What is the maximum earth loop impedance values(Zs) for ILine MCCB's CDAE, CNAE, CHAE? FA,SLA
Please find attached Zs values for CDAE. CNAE and DH range of ILine MCCB.

In order to comply with BS7671 Ammendment 3: 2015 the figure in the attachment should be multiplied by Cmin .95

Zs Calculation

Also Attached SLA (FA) values
* For old FA range use 16 for 15A, 32 for 30A, 63 for 60A, 80 for 70A and 100A for 90A rated circuit breaker

Released for:Schneider Electric Ireland

Attachment(s)
Trip curve Zs SF,K,L,M,N,P.pdf [26.1 KB]
TRIP curve Zs CD, CN,DH.pdf [44.92 KB]
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CNXAE34000S10
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