IEC 61439-1-2020 cor1-2021 PDF

Full title and description

St IEC 61439-1:2020 COR1:2021 — Corrigendum 1 to "Low-voltage switchgear and controlgear assemblies — Part 1: General rules". This corrigendum provides published corrections and clarifications to the international standard IEC 61439-1:2020 (Edition 3.0), updating text, editorial items and a small number of technical clarifications to the Part 1 general rules for low-voltage assemblies.

Abstract

Corrigendum 1 (issued December 2021) to IEC 61439-1:2020 is a one‑page corrigenda document that identifies and corrects specific editorial and technical inaccuracies found in the 2020 edition of Part 1. It is published in the IEC official languages (English/French) and is intended to be read together with IEC 61439-1:2020; the corrigendum does not replace the main publication but amends it where marked.

General information

• Status: Published (corrigendum to IEC 61439-1:2020).
• Publication date: 7 December 2021 (Corrigendum 1 issuance date).
• Publisher: International Electrotechnical Commission (IEC).
• ICS / categories: 29.130.20 — Low-voltage switchgear and controlgear.
• Edition / version: Edition 3.0 (corrigendum to IEC 61439-1:2020).
• Number of pages: 1 (corrigendum document).

Scope

IEC 61439-1:2020 sets out the general definitions, service conditions, construction requirements, technical characteristics and verification requirements for low‑voltage switchgear and controlgear assemblies (assemblies with rated voltages up to 1 000 V AC or 1 500 V DC). Corrigendum 1 amends specific clauses of that Part 1 text to correct errors and to clarify wording; it applies wherever IEC 61439-1:2020 is referenced. For full technical scope and application of Part 1, consult IEC 61439-1:2020 together with its corrigenda and the applicable Part 2+ documents.

Key topics and requirements

• Published corrections to the text of IEC 61439-1:2020 (editorial and limited technical corrections).
• Clarifications that affect interpretation and verification of assemblies under Part 1 rules (as itemised in the corrigendum document).
• Confirms that Part 1 works in conjunction with Part 2 onward for conformity verification of specific assembly types.
• Issued bilingually (English/French) as an official IEC corrigendum record for the 2020 edition.

Typical use and users

Corrigendum 1 is used by standards managers, product certification bodies, testing laboratories, manufacturers of low‑voltage switchgear and controlgear assemblies, electrical design engineers and procurement/specification teams to ensure that the 2020 edition of IEC 61439‑1 is interpreted and applied correctly. Users should apply the corrigendum alongside the main 2020 text when performing design verification, type testing, routine testing and conformity assessment.

Related standards

IEC 61439-1 is the general part of the IEC 61439 series. Relevant related documents include the other parts of the IEC 61439 series (Part 2 onwards, which cover specific assembly types), EN/EN IEC adoptions (for example EN IEC 61439-1:2021), and later corrigenda or amendments (for example Corrigendum 2 published subsequently). Normative references in Part 1 include environmental and test standards such as IEC/EN 60068 series referenced by the standard.

Keywords

IEC 61439-1, COR1, corrigendum, low-voltage switchgear, controlgear assemblies, general rules, verification, type testing, group rated current, temperature-rise, edition 3.0, 2020.

FAQ

Q: What is this standard?

A: This document is Corrigendum 1 to IEC 61439‑1:2020 — a one‑page official correction/clarification published by the IEC that amends specific text in the 2020 edition of Part 1 (General rules) for low‑voltage switchgear and controlgear assemblies.

Q: What does it cover?

A: It lists editorial and limited technical corrections to the main IEC 61439‑1:2020 publication. The main Part 1 document itself covers definitions, service conditions, construction and verification requirements that apply to low‑voltage assemblies; the corrigendum only modifies or clarifies particular passages of that main text.

Q: Who typically uses it?

A: Standards users including manufacturers of switchgear and controlgear assemblies, test laboratories, certification bodies, electrical engineers, compliance officers and procurement/specification teams — anyone who relies on IEC 61439‑1:2020 for design, testing or conformity assessment should apply the corrigendum.

Q: Is it current or superseded?

A: Corrigendum 1 (Dec 7, 2021) is an amendment to IEC 61439‑1:2020 and remains valid as part of the 2020 edition until formally superseded by a later edition or amendment. Note that further corrigenda or amendments (for example Corrigendum 2) may also exist and should be checked in the official IEC publications. Users should consult the IEC webstore or their national standards body for the latest status.

Q: Is it part of a series?

A: Yes — IEC 61439‑1 is Part 1 (General rules) of the IEC 61439 series, which includes Part 2 and subsequent parts that address requirements for specific types of low‑voltage assemblies. The corrigendum amends Part 1 only.

Q: What are the key keywords?

A: Low‑voltage switchgear, controlgear assemblies, IEC 61439, Part 1, corrigendum, COR1, general rules, verification, testing, conformity.