Think of Part 1 as the "dictionary" and the "foundation." It contains the definitions, service conditions, construction requirements, technical characteristics, and verification requirements applicable to types of low-voltage switchgear and controlgear assemblies. Key areas covered in Part 1:
Includes additional requirements for internal separation (Forms 1 to 4) to protect operators and equipment. Schneider Electric Blog IEC 61439-1:2020 - Standard | IECEE iec 614391 and 2 pdf
Defines verification requirements for all low-voltage switchgear and controlgear assemblies. Think of Part 1 as the "dictionary" and the "foundation
IEC 61439 is the international standard that defines requirements for low-voltage switchgear and controlgear assemblies (LV assemblies). It is split into a series of documents; the two core parts are: the two core parts are: