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Overview IEC 61439-2:2011 is an international standard published by the International Electrotechnical Commission (IEC) that specifies the requirements for low-voltage power switchgear and controlgea…
Overview IEC 61439-2:2020 is the International Electrotechnical Commission standard that specifies specific requirements for power switchgear and controlgear assemblies (PSC-assemblies). This third e…
1 Scope This part of IEC 61439 defines the specific requirements for the power switchgear and controlgear assembly (abbreviated ‘PSC-assembly’ throughout this document see 3.1.101) as follows: assemb…