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What is the maximum earth loop Impedance value for the P25M miniature circuit breaker?
The maximum earth loop Impedance figures can be found on the attached pdf file.
In order to comply with BS7671 Ammendment 3: 2015 the figure in the attachment should be multiplied by the  Cmin factor 0.95.
Calculation for Zs

Released for: Schneider Electric Ireland

Attachment(s)
P25M Zs.pdf [4.82 KB]
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Range:
P25M
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Range:
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