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IEC/TR 61641 Ed. 2.0 b:2008

Enclosed low-voltage switchgear and controlgear assemblies - Guide for testing under conditions of arcing due to internal fault

This technical report applies to enclosed low-voltage switchgear and controlgear assemblies hereafter called ASSEMBLIES manufactured according to IEC 60439-1. This second edition cancels and replaces the first edition (1996) and constitutes a technical revision. The main change introduced in this new edition is the following: the concept of ASSEMBLY protection under arcing conditions has been introduced.

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