IEC TR 63482:2024/COR1:2024
(Corrigendum)Corrigendum 1 - Maintenance of low voltage switchgear and controlgear and their assemblies
General Information
- Abstract
- Status
- Published
- Publication Date
- 25-Nov-2024
- Technical Committee
- TC 121 - Switchgear and controlgear and their assemblies for low voltage
- Current Stage
- PPUB - Publication issued
- Start Date
- 26-Nov-2024
- Completion Date
- 23-Jan-2025
Relations
- Corrects
IEC TR 63482:2024 - Maintenance of low voltage switchgear and controlgear and their assemblies - Effective Date
- 08-Nov-2024
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Frequently Asked Questions
IEC TR 63482:2024/COR1:2024 is a technical report published by the International Electrotechnical Commission (IEC). Its full title is "Corrigendum 1 - Maintenance of low voltage switchgear and controlgear and their assemblies". This standard covers: Corrigendum 1 - Maintenance of low voltage switchgear and controlgear and their assemblies
Corrigendum 1 - Maintenance of low voltage switchgear and controlgear and their assemblies
IEC TR 63482:2024/COR1:2024 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.
IEC TR 63482:2024/COR1:2024 has the following relationships with other standards: It is inter standard links to IEC TR 63482:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
IEC TR 63482:2024/COR1:2024 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 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
IEC TR 63482
Edition 1.0 2024-07
MAINTENANCE OF LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR AND THEIR ASSEMBLIES
CO RRI G E NDUM 1
In Annex B, in the
...
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IEC 62683-1:2026 establishes the reference dictionary of the general description of classes of low-voltage switchgear and controlgear and their assemblies based on defined properties. This dictionary is used to facilitate the exchange in electronic format of data describing low voltage switchgear and controlgear, their accessories and their assemblies. This document provides clear and unambiguous definitions of a limited number of properties and classes which are mainly used for presentation, selection and identification of products particularly in electronic catalogues. Each property has an unambiguously defined meaning and name, and where relevant, a defined value list, a defined format, and a defined unit. Manufacturer specific features are not covered. This second edition cancels and replaces the first edition published in 2017. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition for reflecting the content of the IEC CDD 62683DB which has been updated with the change requests C00073, C00074, C00081, C00087, C00089, C00098, C00100, C00107, C00111, C00116, C00119, C00122, C00146, C00148, C00159, C00167, C00174 and C00135:
a) New device class descriptions: ACC304, ACC305, ACC413, ACC417, ACC503, ACC504, ACC505, ACC512, ACC516, ACC536, ACC537, ACC538, ACC540, ACC541, ACC542, ACC543, ACC544, ACC545, ACC546, ACC547, ACC548.
b) New associated properties.
c) New assembly class structure: ACC101, ACC102, ACC103, ACC104, ACC106, ACC110, ACC111, ACC112, ACC113, ACC114, ACC115, ACC116, ACC117, ACC118, ACC119, ACC120, ACC121, ACC123, ACC124, ACC125, ACC126, ACC127, ACC131, ACC132, ACC133, ACC135, ACC141, ACC142, ACC143, ACC144, ACC145, ACC146, ACC147, ACC148, ACC150, ACC151, ACC152, ACC153, ACC154, ACC155, ACC156, ACC157, ACC158, ACC159, ACC160, ACC161, ACC162, ACC163, ACC164, ACC165, ACC166, ACC167, ACC170, ACC171, ACC172, ACC173, ACC174, ACC175.
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IEC 62683-2-2:2025 specifies the building information modelling (BIM) with the physical characteristics and technical services of low-voltage switchgear and controlgear assemblies to be used mainly for the construction phase of the building and also for delivering data for operation.
This document covers all types of assemblies covered by the IEC 61439 series which can be installed in a building.
Busbar trunking systems defined by IEC 61439-6 are under consideration for a next edition.
These BIM object models, registered in IEC CDD, are intended to supply the process defined by ISO 16739 series.
This document does not cover:
– the build-in components included within the assembly such as switchgear and controlgear,
– safety related control system of machinery,
– the detailed electrical and mechanical configuration of the assembly
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IEC 63208:2025 This document applies to the main functions of switchgear and controlgear and their assemblies, called equipment, in the context of operational technology (OT 3.1.34). It is applicable to equipment with wired or wireless data communication means and their physical accessibility, within their limits of environmental conditions. It is intended to achieve the appropriate physical and cybersecurity mitigation against vulnerabilities to security threats.
This document provides requirements on the appropriate:
– security risk assessment to be developed including the attack levels, the typical threats, the impact assessment and the relationship with safety;
– levels of exposure of the communication interface and the determination of the equipment security level;
– assessment of the exposure level of the communication interfaces;
– assignment of the required security measures for the equipment;
– countermeasures for the physical access and the environment derived from ISO/IEC 27001;
– countermeasures referring to IEC 62443-4-2 with their criteria of applicability;
– user instructions for installation, operation and maintenance;
– conformance verification and testing, and – security protection profiles by family of equipment (Annex E to Annex I).
In particular, it focuses on potential vulnerabilities to threats resulting in:
– unintended operation, which can lead to hazardous situations;
– unavailability of the protective functions (overcurrent, earth fault, etc.);
– other degradation of main function.
It also provides guidance on the cybersecurity management with the:
– roles and responsibilities (Table 4);
– typical architectures (Annex A);
– use cases (Annex B);
– development methods (Annex C);
– recommendations to be provided to users and for integration into an assembly (Annex D);
– bridging references to cybersecurity management systems (Annex K).
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– information technology (IT);
– industrial automation and control systems (IACS), engineering workstations and their software applications;
– critical infrastructure or energy management systems;
– network device (communication network switch or virtual private network terminator), or
– data confidentiality other than for critical security parameters;
– design lifecycle management. For this aspect, see IEC 62443-4-1, ISO/IEC 27001 or other security lifecycle management standards.
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IEC 62683-2:2024 specifies the functional safety and reliability data model descriptions for low‑voltage switchgear and controlgear to be used by engineering tools for the design of safety related control systems according to IEC 62061, IEC 61508-2 and ISO 13849-1, and for dependability analysis of electrotechnical systems.
This dictionary is used to facilitate the exchange between computers of data characterizing low-voltage switchgear and controlgear.
Each property has an unambiguously defined meaning and naming, and where relevant, a defined value list, a defined format and a defined unit.
The data models described in this document are intended to complement the product catalogue data defined by IEC 62683-1.
This document does not cover:
- exchange format such as defined in VDMA 66413,
- explosive atmosphere applications,
- manufacturer specific features.
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IEC TR 63482:2024 provides guidance for the specification and selection of the appropriate approach and for the planning and the execution of the maintenance of low-voltage switchgear and controlgear and their assemblies having a rated voltage up to and including 1 000 V AC or 1 500 V DC, and designed for a nominal frequency of the incoming supply or supplies not exceeding 1 000 Hz.
The content of the corrigendum 1 (2024-11) has been included in this copy.
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IEC TS 61641:2026 identifies methods used to verify the ability of the assembly:
– to limit the risk of injury to personnel during an internal arc-fault;
– to limit the damage to an acceptable level as a result of an internal arc-fault;
– to improve the power availability following an internal arc-fault.
This document takes into consideration:
– the effects of the internal overpressure acting on covers, doors, etc.;
– the thermal effects of the internal arc-fault or its roots on the enclosures and of ejected hot gases and glowing particles.
– the correct function of the IAMS within the assembly;
– the prevention of unintended operation of the IAMS within the assembly, for example caused by switching arcs;
– the functioning behaviour of the IAMS immediately after the assembly is energized.
This document describes different methods to assess the performance of an assembly or zones of an assembly in respect of arcing in air due to an internal failure:
– with "passive" arc-fault protection (provided by mechanical construction, e.g. suitable door locks, hinges, pressure relief devices, barriers);
NOTE 1 This approach corresponds to the method according to IEC TR 61641:2014.
– with "active" arc-fault protection (with the integration of IAMS);
NOTE 2 This approach corresponds to the method according to IEC TS 63107:2020.
– with the use of an arc ignition protected zone (to make the ignition of an arc-fault an extremely remote possibility).
NOTE 3 This approach corresponds to the method according to IEC TR 61641:2014.
IAMS consist of internal arc-fault control devices (IACD), e.g. optical-based IACD's in accordance with IEC 60947-9-2 and internal arc-fault reduction devices (IARD), e.g. arc quenching devices (AQDs) in accordance with IEC 60947-9-1 and short-circuit protection devices SCPD's in accordance with IEC 60947-2 (see Figure EE.1). IAMS can be provided by a combined-type device according to IEC 60947-9-2.
IEC 60364-4-42:2024 (Clause 427) provides guidance on the need for internal arc-fault protection.
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This document does not apply to integration of arc fault detection devices (AFDD) according to IEC 62606.
Informative Annex AA gives guidance for the user (see IEC 61439-1:2020, 3.11) on internal arc-fault mitigation.
Informative Annex BB gives guidance for the user (see IEC 61439-1:2020, 3.11) of assemblies with "active" arc-fault protection (with the integration of IAMS).
Informative Annex CC gives guidance for the original manufacturer of an assembly when incorporating an integrated IAMS.
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This edition includes the following significant technical changes with respect to the previous edition:
a) Introduction of the term "arcing class zone", using the term "arcing classes" from the previous document IEC TR 61641:2014.
b) Structured using of the terms "zone" and "area". "Area" is used to describe the place of installation and the accessibility of the assembly (macro-environment). "Zone" is used in this document to describe a defined space within the assembly (micro-environment).
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This document does not apply to protective equipment to directly detect the presence of persons, that are covered by the IEC 61496 series or IEC TS 62998 series.
NOTE 1 A PDDB device can be used to detect indirectly the presence of a person, for example by detecting the position of a platform on which the operator stands (example, garbage trucks).
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– IEC 61508 series;
– IEC 62061;
– ISO 13849 series.
NOTE 2 The Functional safety device type classification regarding functional safety correlates with IEC 62683-2-3.
This document includes requirements for PDDB when designed for use as part of an interlocking device according to ISO 14119.
This document does not consider aspects of:
– software updates and self-evolving behaviour;
– explosive atmospheres.
This third edition cancels and replaces the second edition published in 2013. This edition constitutes a technical revision.
This third edition includes the following significant technical changes with respect to the previous edition:
a) Update of the scope, refined fault performance aspects and relation to standards of functional safety.
b) The ‘safe state’ is generally determined as ‘OFF-state’ (see 3.1.8).
c) Update of EMC requirements in 8.2.6 with references to IEC 60947-5-2:2019 for acceptance criteria A, B and C and requirements of Table 17 for acceptance criterion DS.
d) Interface types for binary interfaces are introduced (see 4.6.2 and Annex B).
e) Functional safety device types according to ISO 13849-1:2023 Annex O (see 4.9).
f) Interlocking device type and coding level according to ISO 14119 are adapted (see 4.10 and 4.11).
g) The operating modes target present (4.12.2) and target absent (4.12.3) are introduced.
h) The ‘switching distance’ replaces the terms ‘release’ and ‘operating’. The behaviour of the PDDB is described according to the operating mode (4.12).
i) The context and verification of the switching distances are considered according to ISO/IEC Guide 98-3:2008 (GUM) and IEC TR 63649 (see 8.2.1.3 and 9.4.2).
j) Requirements for electrical equipment class III are refined.
k) The risk time is replaced with the safety response time (3.1.11).
l) Annex A gives a new example of safety related control system.
m) The test sequences (see 9.3.1) are updated for the specific behaviour of a PDDB.
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