Low-voltage switchgear and controlgear assemblies - Distribution boards intended to be operated by ordinary persons (DBO) Ingestion-build-63114 This Published Document addresses the

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Low-voltage switchgear and controlgear assemblies - Distribution boards intended to be operated by ordinary persons (DBO) Ingestion-build-63114 This Published Document addresses theWhat 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