IEC/TR 62271-321-ed.1.0

Detail information

Designation: IEC/TR 62271-321-ed.1.0

Publication date: 23/03/2026

Pages: 97

Country: International technical standard

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Anotation

IEC TR 62271-321:2026 relates to high-voltage switchgear and controlgear for all rated voltage levels above 1 kV AC and 1,5 kV DC and assemblies thereof and provides materials for the reference dictionary for all products covered by the IEC 62271 series. This dictionary is a preliminary work which can be used to facilitate exchanges in digital format of data related to high-voltage switchgear and controlgear components, devices, equipment, and assemblies of the power systems. Such a dictionary improves the interoperability of the power systems required for these data exchanges along the power system lifetime and over its life cycle. Each property has an unambiguously defined meaning and name, and where relevant, a defined value list, a defined format, and a defined unit. This document defines, digitalizes and then summarizes the properties related to high-voltage switchgear and controlgear nameplates and information usually exchanged during the enquiries, tenders, and orders life phases defined by IEC TC 17 standards of physical elements. The intention is not to cover manufacturer specific features. The intention is not to cover IEC TC 17 standards dealing only with assessment methodology (calculation, tests, rules, etc.).