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  • BSI
    BS EN IEC 62271-107:2019 - TC Tracked Changes. High-voltage switchgear and controlgear - Alternating current fused circuit-switchers for rated voltages above 1 kV up to and including 52 kV
    Edition: 2020
    $736.46
    / user per year

Description of BS EN IEC 62271-107:2019 - TC 2020

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 - TC
TitleTracked Changes. High-voltage switchgear and controlgear - Alternating current fused circuit-switchers for rated voltages above 1 kV up to and including 52 kV
StatusDefinitive
Publication Date2020-02-24
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
ISBN978-0-539-07800-8
PublisherBSI
Pages0

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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