This part 1 of IEC 61439 lays down the definitions and states the service conditions, construction requirements, technical characteristics and verification requirements for low-voltage switchgear and controlgear assemblies. This standard should be read in combination with one other part of IEC 61439, which consists of the specific requirements for a certain type of low-voltage switchgear and controlgear assembly.


DIN EN IEC 61439-1 VDE 0660-600-1:2021-10

Low-voltage switchgear and controlgear assemblies

Part 1: General rules

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