IEC60439-1-2004 Low-voltage switchgear and controlgear assemblies – Part 1: Type-tested and partially type-tested assemblies http://bbs.infoeach.com/thread-45170-1-1.html IEC60439-2-2005 Low-voltage switchgear and controlgear assemblies – Part 2: Particular requirements for busbar trunking systems (busways) http://bbs.infoeach.com/thread-45171-1-1.html IEC60439-3-2001 Low-voltage switchgear and controlgear assemblies – Part 3: Particular requirements for low-voltage switchgear and controlgear assemblies intended to be installed in places where unskilled persons have access for their use – Distribution boards http://bbs.infoeach.com/thread-45172-1-1.html
IEC 60439-4-2004 Low-voltage switchgear and controlgear assemblies – Part 4: Particular requirements for assemblies for construction sites (ACS) http://bbs.infoeach.com/thread-87367-1-1.html
IEC 60439-5-2006 Low-voltage switchgear and controlgear assemblies – Part 5: Particular requirements for assemblies for power distribution in public networks http://bbs.infoeach.com/thread-87368-1-1.html