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IEC 61439
IEC 61439 is a series of international standards that govern the design, construction, testing, and operation of low-voltage switchgear and controlgear assemblies. The standard is issued by the International Electrotechnical Commission (IEC) and applies to electrical switchgear assemblies that operate at up to 1,000 V AC or 1,500 V DC. It is widely used in the electrical industry for ensuring safety, reliability, and compatibility of switchgear and controlgear systems.The IEC 61439 series is important because it provides a set of rules to design switchboards, panelboards, and other control systems, ensuring they function effectively and safely in various environments. The series is broken down into different parts that focus on specific aspects of switchgear assemblies.
IEC TR 61439-0:2022
Low-voltage switchgear and controlgear assemblies- Part 0: Guidance to specifying assemblies
IEC 61439-1:2020
Low-voltage switchgear and controlgear assemblies - Part 1: General rules
IEC 61439-2:2020
Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies
IEC 61439-3:2024
Low-voltage switchgear and controlgear assemblies - Part 3: Distribution boards intended to be operated by ordinary persons (DBO)
IEC 61439-4:2023
Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies for construction sites (ACS)
IEC 61439-5:2023
Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks
IEC 61439-6:2012
Low-voltage switchgear and controlgear assemblies - Part 6: Busbar trunking systems (busways)
IEC 61439-7:2022
Low-voltage switchgear and controlgear assemblies - Part 7: Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicle charging stations