IEC 61439-1 Low-voltage switchgear and controlgear assemblies
IEC 61439-1 Low-voltage switchgear and controlgear assemblies – Part 1: General rules Applicable standards BS EN 61439-1 IEC 61439-1 IS 8623-1 Scope: These standards deploy the constructional requirements, technical requirements for low voltage switchgear and controlgear assemblies only when required by the relevant Assemblies standard as follows. ASSEMBLIES for which the rated voltage does not exceed…