Low-voltage switchgear and controlgear assemblies - Distribution boards intended to be operated by ordinary persons (DBO) Ingestion-build-95349 change of supplier

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This European Standard specifies the chemical composition limits of wrought aluminium and aluminium alloys

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and of the remedies required to maintain efficiency and maximize the life of the hot water central heating system

Low-voltage switchgear and controlgear assemblies - Distribution boards intended to be operated by ordinary persons (DBO) Ingestion-build-95349 change of supplierWhat is this standard about? This part of IEC 61439 defines the specific requirements for distribution boards intended to be operated by ordinary persons (DBO). DBOs have the following criteria: intended to be operated by ordinary persons (e. g. switching operations and replacing fuse links), e. g. in domestic (household) applications; outgoing circuits contain protective devices, intended to be operated by ordinary persons, complying e. g. with IEC