The IEC 61439 standard
All low-voltage switchgear and controlgear assemblies in the European Economic Area are required to comply with the IEC 61439 standard. The standard describes the design verification for controlgear assemblies and the responsibilities of the manufacturer and switchboard manufacturer.
![low-voltage switchgear controlgear IEC 61439 low-voltage switchgear controlgear IEC 61439](https://assets.new.siemens.com/siemens/assets/api/uuid:55179c4f-b823-443e-9622-bf0223bf9e2c/width:100/quality:low/low-voltage-switchgear-controlgear-IEC-61439.jpg)
All low-voltage switchgear and controlgear assemblies in the European Economic Area are required to comply with the IEC 61439 standard. The standard describes the design verification for controlgear assemblies and the responsibilities of the manufacturer and switchboard manufacturer.