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EN IEC 62271-105:2023

Current

Current

The latest, up-to-date edition.

High-voltage switchgear and controlgear - Part 105: Alternating current switch-fuse combinations for rated voltages above 1 kV up to and including 52 kV

Published date

10-11-2023

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IEC 62271-105:2021 is available as IEC 62271-105:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 62271-105:2021 applies to three-pole units for public and industrial distribution systems which are functional assemblies of switches composed of switches or switch-disconnectors and current-limiting fuses designed so as to be capable of- breaking, at the rated voltage, any current up to and including the rated short-circuit breaking current;- making, at the rated voltage, circuits to which the rated short-circuit breaking current applies.This third edition cancels and replaces the second edition published in 2012. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition:- the document has been updated to be in alignment with the second edition of IEC 62271-1:2017;- rated TRV has been removed (TRV is only a test parameter), as in the latest revision of IEC 62271-100;- differentiation has been introduced between requirements expressed for fulfilling the function expected from a switch-fuse combination, from requirements only relevant when the function is performed by a stand-alone device. The goal is to avoid duplication or conflicts of requirements with a standard dealing with assemblies, when the function is implemented within such an assembly.

Committee
CLC/TC 17AC
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

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