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What is the maximum earth loop impedance values (Zs) for ILine and Square D MCCB's CDAE, CNAE, CHAE, FA, SLA, SFA, SKA?

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 (Square D)
* 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 UK

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