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  • BSI
    BS EN IEC 61439-1:2021 - TC Tracked Changes. Low-voltage switchgear and controlgear assemblies - General rules
    Edition: 2021
    $798.15
    / user per year

Description of BS EN IEC 61439-1:2021 - TC 2021

IEC 61439-1:2020 is available as IEC 61439-1:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61439-1:2020 lays down the general definitions and service conditions, construction requirements, technical characteristics and verification requirements for low-voltage switchgear and controlgear assemblies. NOTE Throughout this document, the term assembly(s) (see 3.1.1) is used for a low-voltage switchgear and controlgear assembly(s). For the purpose of determining assembly conformity, the requirements of the relevant part of the IEC 61439 series, Part 2 onwards, apply together with the cited requirements of this document. For assemblies not covered by Part 3 onward, Part 2 applies. This third edition cancels and replaces the second edition published in 2011. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) clarification that power electric converter systems, switch mode power supplies, uninterruptable power supplies and adjustable speed power drive systems are tested to their particular products standard, but when they are incorporated in assemblies the incorporation is in accordance with the IEC 61439 series of standards;
b) introduction of a group rated current for circuits within a loaded assembly and the refocusing of temperature-rise verification on this new characteristic;
c) addition of requirements in respect of DC;
d) introduction of the concept of class I and class II assemblies regarding protection against electric shock.



Standard NumberBS EN IEC 61439-1:2021 - TC
TitleTracked Changes. Low-voltage switchgear and controlgear assemblies - General rules
StatusWithdrawn
Publication Date2021-06-08
Withdrawn Date2022-08-25
DescriptorsRated current, Dielectric properties, Circuits, Inspection, Testing conditions, Environment (working), Verification, Electric control equipment, Name plates, Electrical properties of materials, Electrical protection equipment, Performance testing, Electromagnetic compatibility, Switchgear, Electric shocks, Instructions for use, Rated frequencies, Temperature measurement, Approval testing, Dielectric-strength tests, Impulse-voltage tests, Electric terminals, Temperature rise, Electronic equipment and components, Electrical safety, Installation, Rated voltage, Clearances, Voltage measurement, Electrical testing, Marking, Electrical insulation, Low-voltage equipment, Electric conductors, Electrical connections, Leakage paths, Access, Electrical equipment, Type testing, Classification systems
ICS29.130.20 Low voltage switchgear and controlgear
CommitteePEL/121/2
ISBN978 0 539 18001 5
PublisherBSI
Pages380

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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