CENELEC - European Committee for Electrotechnical Standardization
Latest
EN 60439-4:2004
EN 60439-4:2004 history
2004EN 60439-4:2004 Low-voltage switchgear and controlgear assemblies Part 4: Particular requirements for assemblies for construction sites (ACS)
1991EN 60439-4:1991 Low-voltage switchgear and controlgear assemblies; part 4: particular requirements for assemblies for construction sites (ACS) (IEC 439-4:1990)