Corrigendum 2 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules

Corrigendum 2 - Ensembles d'appareillage à basse tension - Partie 1: Règles générales

General Information

Status: Published
Publication Date: 28-Sep-2023

ICS: 29.130.20 - Low voltage switchgear and controlgear

Technical Committee: SC 121B - Low-voltage switchgear and controlgear assemblies
Drafting Committee: MT 2 - TC 121/SC 121B/MT 2

Current Stage: PPUB - Publication issued
Start Date: 29-Sep-2023
Completion Date: 01-Dec-2023

Relations

Corrects: IEC 61439-1:2020 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules
Effective Date: 15-Sep-2023

Corrects: IEC 61439-1:2020/COR1:2021 - Corrigendum 1 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules
Effective Date: 15-Sep-2023

IEC 61439-1:2020/COR2:2023 - Corrigendum 2 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules
Released:9/29/2023 - Page 1 preview

IEC 61439-1:2020/COR2:2023 - Corrigendum 2 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules
Released:9/29/2023 - Page 2 preview

IEC 61439-1:2020/COR2:2023 - Corrigendum 2 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules
Released:9/29/2023 - Page 3 preview

Standard

IEC 61439-1:2020/COR2:2023 - Corrigendum 2 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules Released:9/29/2023

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Frequently Asked Questions

What is IEC 61439-1:2020/COR2:2023?

IEC 61439-1:2020/COR2:2023 is a standard published by the International Electrotechnical Commission (IEC). Its full title is "Corrigendum 2 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules". This standard covers: Corrigendum 2 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules

What is the scope of IEC 61439-1:2020/COR2:2023?

Corrigendum 2 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules

What ICS categories does IEC 61439-1:2020/COR2:2023 belong to?

IEC 61439-1:2020/COR2:2023 is classified under the following ICS (International Classification for Standards) categories: 29.130.20 - Low voltage switchgear and controlgear. The ICS classification helps identify the subject area and facilitates finding related standards.

What standards are related to IEC 61439-1:2020/COR2:2023?

IEC 61439-1:2020/COR2:2023 has the following relationships with other standards: It is inter standard links to IEC 61439-1:2020, IEC 61439-1:2020/COR1:2021. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

How can I access IEC 61439-1:2020/COR2:2023?

IEC 61439-1:2020/COR2:2023 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)

IEC 61439-1:2020/COR2:2023 - C...

© IEC 2023
INTERNATIONAL ELECTROTECHNICAL COMMISSION
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________
IEC 61439-1 IEC 61439-1
Edition 3.0 2020-05 Édition 3.0 2020-05

Low-voltage switchgear and controlgear Ensembles d'appareillage à basse tension –
assemblies –
Partie 1: Règles générales
Part 1: General rules
CO RRI G E NDUM 2
The correction applies
...

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IEC

IEC 61439-5:2023/COR1:2025(Corrigendum)

Corrigendum 1 - Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks

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IEC TS 63290:2024(Main)

Supplementary requirements for intelligent assemblies

IEC TS 63290:2024 provides additional requirements for assemblies in accordance with the product standards of the IEC 61439 series (Part 2 onwards) that incorporate digital functions and communication, in addition to the conventional electromechanical features of assemblies to reflect what is defined within this document as intelligence. It specifies the definitions, service conditions, constructional requirements, technical characteristics and verification requirements that can be carried out in addition to the IEC 61439 series for intelligent low-voltage switchgear and controlgear assemblies.

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IEC 61439-3:2024(Main)

Low-voltage switchgear and controlgear assemblies - Part 3: Distribution boards intended to be operated by ordinary persons (DBO)

IEC 61439-3:2024 defines the specific requirements for distribution boards intended to be operated by ordinary persons (abbreviated DBO throughout this document, see 3.1.101) as follows:
- assemblies intended to be operated by ordinary persons (e.g. switching operations and replacing fuse-links), e.g. in domestic (household) applications;
- assemblies containing outgoing circuits with protective devices intended to be operated by ordinary persons, complying e.g. with IEC 60898-1, the IEC 61008 series, the IEC 61009 series, IEC 62606, IEC 62423 and IEC 60269-3;
- assemblies for applications where the nominal voltage to earth does not exceed 300 V AC (see Table G.1 of IEC 61439-1:2020);
NOTE The voltage limits for DC applications are under consideration.
- assemblies with a rated current (Inc) of the outgoing circuits not exceeding 125 A and a rated current (InA) not exceeding 250 A;
- assemblies intended for use in connection with the generation, transmission, distribution and conversion of electrical energy, and for the control of equipment consuming electrical energy and for associated data processing;
- enclosed, stationary assemblies;
- assemblies for indoor or outdoor use.
This second edition cancels and replaces the first 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) alignment with the structure of IEC 61439-1:2020;
b) inclusion in the scope of more examples of the type of protection and control devices;
c) deletion of type A and Type B DBOs;
d) addition of a new Annex BB related to DBOs used in a prosumer’s electrical installation (PEI);
e) addition of a new Annex CC related to rated current of a DBO with additional source of supply in parallel/simultaneously with another source that is connected to the DBO e.g. PV.

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IEC 61439-4:2023(Main)

Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies for construction sites (ACS)

IEC 61439-4:2023 defines the specific requirements of ACS as follows:
- assemblies for which the rated voltage does not exceed 1 000 V in case of AC or 1 500 V in case of DC;
- assemblies where the nominal primary voltage and the nominal secondary voltage of transformers incorporated in ACS are within the limits specified above;
- assemblies intended for use on construction sites, both indoors and outdoors, i.e. temporary places of work to which the public do not generally have access and where building construction, installation, repairs, alteration or demolition of property (buildings) or civil engineering (public works) or excavation or any other similar operations are carried out;
- transportable (semi-fixed) or mobile ASSEMBLIES with enclosure.
This second edition of IEC 61439-4 cancels and replaces the first 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) alignment with IEC 61439-1:2020 regarding the structure and technical content, as applicable.

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IEC 62208:2023(Main)

Empty enclosures for low-voltage switchgear and controlgear assemblies - General requirements

IEC 62208:2023 applies to empty enclosures, as provided by the enclosure manufacturer, prior to the incorporation of switchgear and controlgear components by the assembly manufacturer. This document specifies general definitions, classifications, characteristics and test requirements of enclosures to be used as part of switchgear and controlgear assemblies (e.g. in accordance with the product standard in the IEC 61439 series), the rated voltage of which does not exceed 1 000 V AC or 1 500 V DC, and suitable for general use for either indoor or outdoor applications. This third edition cancels and replaces the second edition published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) consideration of the modifications introduced in IEC 61439-1:2020;
b) alignment of test procedures with the newest relevant standards.

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31-May-2023
29.130.20
SC 121B

IEC

IEC 61439-5:2023(Main)

Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks

IEC 61439-5:2023 defines the specific requirements for public electricity network distribution assemblies (PENDAs). PENDAs have the following criteria:
- used for the distribution of electrical energy in three phase systems for which the rated voltage does not exceed 1 000 V AC (see Figure 101 for a typical distribution network) and DC systems not exceeding 1 500 V DC;
- stationary;
- open type assemblies are not covered by this document;
- suitable for installation in places where only skilled persons have access for their use, however, outdoor types can be installed in situations that are accessible to ordinary persons
- intended for use in energy distribution in public power grids;
- indoor use: assemblies for installation inside of electric power substations;
- outdoor use: assemblies containing an enclosure suitable for open air installation.
This third edition cancels and replaces the second edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) omission of the requirement to conduct mechanical tests at -25 °C when enclosures are made of a metallic material;
b) addition of assumed loading factors generation supplies and electric vehicle charging applications;
c) additional dielectric tests when a PENDA is used in a distribution substation with separate HV and LV earths;
d) further clarification of representative samples for design verification.
The content of the corrigendum 1 (2025-02) has been included in this copy.

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03-May-2023
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IEC

IEC TR 60890:2022(Main)

A method of temperature-rise verification of low-voltage switchgear and controlgear assemblies by calculation

IEC TR 60890:2022 specifies a method of air temperature-rise calculation inside enclosures for low-voltage switchgear and controlgear assemblies or similar products in accordance with their respective standard. The method is primarily applicable to enclosed assemblies or partitioned sections of assemblies without forced ventilation. This third edition cancels and replaces the second edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- alignment with IEC 61439-1:2020;
- addition of individual annexes for guidance of technical explanations related to:
--- effect of an uneven power distribution;
--- additional temperature-rise due to solar radiation;
--- effect of different enclosure materials;
--- effect of different natural ventilation management;
--- forced ventilation management;
--- power losses calculation;
--- impact of an adjacent wall can have on the assembly cooling surface(s);
- maximum internal ambient temperature limit into an assembly;
- validity area of the calculation extended from 3 150 A to 3 200 A;
- addition of an algebraic equation to the different curves included in the document.

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117 pages
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28-Sep-2022
29.130.20
SC 121B

IEC

IEC TR 61439-0:2022(Main)

Low-voltage switchgear and controlgear assemblies- Part 0: Guidance to specifying assemblies

SIST-TP IEC TR 61439-0:2023

IEC TR 61439-0:2022 standards for low-voltage switchgear and controlgear assemblies, there are system and application details that are specified by the specifier to enable the manufacturer to produce an assembly that meets the needs and expectations of the specifier.
IEC/TR 61439-0:2022, identifies from the specifier’s perspective those functions and characteristics that are defined when specifying assemblies. It provides:
an explanation of the assembly characteristics and options within the IEC 61439 series;
a guidance on how to select the appropriate options and define characteristics so as to meet specific application needs; and
an assistance in the specification of assemblies. References within this document to the interface characteristics of an assembly and the requirements with which they will comply assume that the assembly is designed, manufactured, and verified in accordance with the relevant part of the IEC 61439 series.
This third edition cancels and replaces the second edition published in 2013. It constitutes a technical revision.
This third edition includes the following significant technical changes with respect to the previous edition:
alignment with IEC 61439-1:2020;
addition of new content in Clause 13 regarding current ratings;
addition of a new subclause 12.8.1 detailing the fundamentals of the forms of internal separation;
alignment of Annex B with Annex AA of 61439-2:2020;
removal of the annexes detailing items subject to agreement between specifier and manufacturer for all product parts as not all of them can always be up to date

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21-Jul-2022
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IEC 61439-7:2022(Main)

Low-voltage switchgear and controlgear assemblies - Part 7: Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicle charging stations

IEC 61439-7:2022 defines the specific requirements for assemblies for the following applications: marinas, camping sites, market squares and electric vehicle charging stations as follows:
- assemblies for which the rated voltage does not exceed 1 000 V AC or 1 500 V DC;
- assemblies intended for use in connection with the generation, transmission, distribution and conversion of electric energy, and for the control of electric energy consuming equipment;
- assemblies operated by ordinary persons (e.g. to plug and unplug of electrical equipment);
- assemblies intended to be installed and used in market squares, marinas, camping sites and other similar sites accessible to the public including temporary installations;
- assemblies intended for charging stations for electric vehicles (AEVCS) for Mode 3 and Mode 4. They are designed to integrate the functionality and additional requirements for electric vehicle conductive charging systems according to IEC 61851-1:2017.
This second edition cancels and replaces the first edition published in 2018. It constitutes a technical revision. This edition includes the following changes with respect to the previous technical specification:
- a general editorial review and a technical revision.