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  • BSI
    BS EN IEC 62271-107:2019 High-voltage switchgear and controlgear - Alternating current fused circuit-switchers for rated voltages above 1 kV up to and including 52 kV
    Edition: 2019
    $497.46
    / user per year

Description of BS EN IEC 62271-107:2019 2019

IEC 62271-107:2019 is available as /2 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 62271-107:2019 applies to three-pole-operated fused circuit-switchers designed with rated voltages above 1 kV up to and including 52 kV for use on three-phase alternating current systems of either 50 Hz or 60 Hz. 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:
a) technical changes introduced by the second edition of IEC 62271-1 are applied, where relevant;
b) rated TRV is removed and TRV is now treated as a test parameter), as in IEC 62271-100;
c) the term "thermal current" is no longer used; the rated continuous current is linked to the installed fuse-links, and values shall be provided by the manufacturer together with the list of the acceptable fuse-links; for tests purpose, the highest rated continuous current listed is referred, where previously the wording was "rated maximum thermal current", for consistency with IEC 62271-105;
d) making and breaking test duties are independent type tests (as some may be omitted if the switching device has been validated as a load-break switch). However, TDIt0 and TDIlow are kept as a sequence as they are linked to the same rated value (It0);
e) differentiation has been introduced between requirements expressed for fulfilling the function expected from a fused circuit-switcher, 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.

Standard NumberBS EN IEC 62271-107:2019
TitleHigh-voltage switchgear and controlgear - Alternating current fused circuit-switchers for rated voltages above 1 kV up to and including 52 kV
StatusDefinitive
Publication Date2019-07-22
ReplacesBS EN 60034-34:2020, BS EN 62271-107:2012
Identical National Standard OfIEC 62271-107 Ed.3.0, EN 62271-107 Ed.3.0
DescriptorsFuses, Ratings, Switchgear, Rated voltage, Circuits, Alternating current, Rated current, High-voltage equipment, Tri-pole circuit-breakers, Type testing, Circuit-breakers, Electrical protection equipment, Electrical equipment, Electric control equipment
ICS29.130.10 High voltage switchgear and controlgear
CommitteePEL/17
ISBN978 0 580 51798 3
PublisherBSI
Pages60

The following editions for this book are also available...

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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