General Information

Abstract: EN following parallel vote * * D92/197: New dow * Corrigendum to EN/A1 issued June 1997 * Superseded by EN 60947-6-1:2005

Status: Withdrawn
Publication Date: 14-Nov-1994
Withdrawal Date: 30-Sep-1997

ICS: 29.130.20 - Low voltage switchgear and controlgear

Technical Committee: CLC/TC 17B - Low-voltage switchgear and controlgear including dimensional standardization
Drafting Committee: IEC/SC 17B - IEC_SC_17B
Parallel Committee: IEC/SC 17B - IEC_SC_17B

Current Stage: 9960 - Withdrawal effective - Withdrawal
Start Date: 01-Oct-2008
Completion Date: 01-Oct-2008

Directive: Not Harmonized2004/108/EC - Directive 2004/108/EC of the European Parliament and of the Council of 15 December 2004 on the approximation of the laws of the Member States relating to electromagnetic compatibility and repealing Directive 89/336/EEC
: Not Harmonized2004/108/EU - DIRECTIVE 2004/108/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 15 December 2004 on the approximation of the laws of the Member States relating to electromagnetic compatibility and repealing Directive 89/336/EEC
: Not Harmonized2006/95/EC - Directive 2006/95/EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits (codified version)
OJ Ref: C1, C144/1 OJ Date: 10-Jun-2008
: Not Harmonized73/23/EEC - Electrical equipment designed for use within certain voltage limits
OJ Ref: C 208

Ref Project: SIST EN 60947-6-1:1995 - Low-voltage switchgear and controlgear -- Part 6-1: Multiple function equipment - Automatic transfer switching equipment

Buy Documents

Standard

EN 60947-6-1:1995

English language (54 pages)

Preview

e-Library read for

AI-Chat

1 day

Create e-Library subscription and get permanent access to the document. Subscriptions are available for: 29 29.130 29.130.20

Relations

Replaced By: EN 60947-6-1:2005 - Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment
Effective Date: 28-Jan-2023

Referred By: EN 60947-6-2:2003 - Low-voltage switchgear and controlgear - Part 6-2: Multiple function equipment - Control and protective switching devices (or equipment) (CPS)
Effective Date: 03-Feb-2026

Referred By: EN 60947-6-2:2003/A1:2007 - Low-voltage switchgear and controlgear - Part 6-2: Multiple function equipment - Control and protective switching devices (or equipment) (CPS)
Effective Date: 03-Feb-2026

Buy Documents

Standard

EN 60947-6-1:1995

English language (54 pages)

Preview

e-Library read for

AI-Chat

1 day

Create e-Library subscription and get permanent access to the document. Subscriptions are available for: 29 29.130 29.130.20

Get Certified

Connect with accredited certification bodies for this standard

IMQ S.p.A. (Certification)

Italian electrical product certification.

ACCREDIA Italy Verified

Visit Website

SLG Prüf- und Zertifizierungs GmbH

German testing and certification body.

DAKKS Germany Verified

Visit Website

UL Solutions

Global safety science company with testing, inspection and certification.

ANAB United States Verified

Visit Website

Frequently Asked Questions

What is EN 60947-6-1:1991/A1:1994?

EN 60947-6-1:1991/A1:1994 is a standard published by CLC. Its full title is "Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Automatic transfer switching equipment". This standard covers: EN following parallel vote * * D92/197: New dow * Corrigendum to EN/A1 issued June 1997 * Superseded by EN 60947-6-1:2005

What is the scope of EN 60947-6-1:1991/A1:1994?

EN following parallel vote * * D92/197: New dow * Corrigendum to EN/A1 issued June 1997 * Superseded by EN 60947-6-1:2005

What ICS categories does EN 60947-6-1:1991/A1:1994 belong to?

EN 60947-6-1:1991/A1:1994 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 EN 60947-6-1:1991/A1:1994?

EN 60947-6-1:1991/A1:1994 has the following relationships with other standards: It is inter standard links to EN 60947-6-1:2005, EN 60947-6-2:2003, EN 60947-6-2:2003/A1:2007. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

Is EN 60947-6-1:1991/A1:1994 a harmonized European standard?

EN 60947-6-1:1991/A1:1994 is associated with the following European legislation: EU Directives/Regulations: 2004/108/EC, 2004/108/EU, 2006/95/EC, 73/23/EEC. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.

How can I access EN 60947-6-1:1991/A1:1994?

EN 60947-6-1:1991/A1:1994 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.

CLC

EN IEC 60947-5-5:2026(Main)

Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function

SIST EN IEC 60947-5-5:2026

IEC 60947-5-5:2026 This edition includes the following significant technical changes with respect to the previous edition: a) re-shaping the document with the clause numbers and names to be in line with other documents of the 60947 series; b) review of the test method to reasonably determine that the latch mechanism meets the requirements of the document; c) new Annex B for special requirements for illuminated push-button type emergency stop devices, including the reference to a function to distinguish between "active and inactive" by changing the colour of the push-button depending on the illumination. This part of IEC 60947-5 provides detailed specifications relating to the electrical and mechanical construction of emergency stop devices with mechanical latching function and to their testing. This document is applicable to electrical control circuit devices and switching elements which are used to initiate an emergency stop signal. Such devices can be provided with their own enclosure and will be installed according to the product documentation. This document does not apply to: – emergency stop devices for non-electrical control applications, for example hydraulic or pneumatic; – emergency stop devices without mechanical latching function. An emergency stop device conforming to this document can also be used as part of an emergency switching off means in compliance with IEC 60364-5-53. NOTE See also IEC 60204-1:2016 and IEC 60204-1:2016/AMD1:2021, 9.2.3.4. This document does not address specific requirements on acoustic noise as the noise emission of electrical emergency stop devices with mechanical latching function is not considered to be a relevant hazard. This second edition cancels and replaces the first edition published in 1997. This edition constitutes a technical revision.

Standard
30 pages
English language
e-Library read for
AI-Chat
1 day

CLC

EN IEC 60947-10:2026(Main)

Low-voltage switchgear and controlgear - Part 10: Semiconductor circuit-breakers

SIST EN IEC 60947-10:2026

IEC 60947-10:2026 applies to semiconductor circuit-breakers with a rated voltage up to 1 000 V AC or 1 500 V DC, intended to be installed and operated by instructed or skilled persons. This document covers the following different types: - semiconductor circuit-breakers (SCCBs) having semiconductor switching elements and, for isolation function, mechanical isolation contacts connected in series; - semiconductor hybrid circuit-breakers (SCHCBs) having semiconductor switching elements and mechanical switching elements in parallel and in addition, for isolation function, mechanical isolation contacts connected in series. In this document, where the term "circuit-breaker" only is used, it applies to both types. This document applies regardless of the rated currents, the method of construction or the proposed applications of the circuit-breakers. The object of this document is to state: a) the characteristics of circuit-breakers; b) the conditions with which circuit-breakers shall comply with reference to: 1) operation and behaviour in normal service; 2) operation and behaviour under specific abnormal circuit conditions (e.g. overload or short-circuit); 3) dielectric properties; 4) requirements on electromagnetic compatibility; c) tests intended for confirming that these conditions have been met and the methods to be adopted for these tests; d) information to be marked on or given with the circuit-breakers.

Standard
127 pages
English language
e-Library read for
AI-Chat
1 day

CLC

EN IEC 62683-1:2026(Main)

Switchgear, controlgear and their assemblies for low-voltage - Product data and properties for information exchange - Part 1: Catalogue data

SIST EN IEC 62683-1:2026

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.

Standard
192 pages
English language
e-Library read for
AI-Chat
1 day

04-Jun-2026
29.130.20
CLC/SR 121

CLC

EN IEC 60947-6-1:2026(Main)

Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment

SIST EN IEC 60947-6-1:2026

IEC 60947-6-1:2026 is available as IEC 60947-6-1:2026 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60947-6-1:2026 applies to transfer switching equipment (TSE), to be used in power systems for ensuring the continuity of the supply and allowing the energy management of the installation, by transferring a load between power supply sources, the rated voltage of which does not exceed 1 000 V AC or 1 500 V DC. Specific requirements for bypass/isolation transfer switch equipment are given in Annex C, ATSE having closed transition capability are given in Annex D, stand-alone ATS controllers are given in Annex E, and TSE for electric driven fire pump controllers are given in Annex F. It covers: - manually operated transfer switching equipment (MTSE); - remotely operated transfer switching equipment (RTSE); - automatic transfer switching equipment (ATSE), including the controller; - stand-alone ATS controllers; - bypass/isolation transfer switch equipment (BTSE); - ATSE having closed transition capability; - fire pump TSE. It does not cover: - TSE configurations that are not fully manufacturer type tested or marked according to this document as a complete transfer switch; - auxiliary contacts (for guidance, see IEC 60947-5-1); - transfer switches used in explosive atmospheres (for guidance, see IEC 60079 (all parts)); - embedded software design (for guidance, see IEC TR 63201); - cybersecurity aspects (for guidance, see IEC 63208); - TSE rated for direct-on-line starting asynchronous motor of design NE and HE, according to IEC 60034-12. (for guidance, see AC-3e utilisation category according to IEC 60947 4 1); - other types of TSE under consideration including overlapping neutral TSE, multi-source TSE (i.e. TSE with more than two sources of supply), TSE with load-shedding functions, bus-tie TSE, and hybrid TSE; - static transfer switches covered by IEC 62310 series. This fourth edition cancels and replaces the third edition published in 2021. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - clarification of scope; - clarification of terms and definitions; - Annex C for Bypass/Isolation Transfer Switch Equipment; - Annex D for ATSE having closed transition capability; - Annex E for Stand-alone ATS controller; - Annex F for TSE used with electric driven fire pump control equipment.

Standard
102 pages
English language
e-Library read for
AI-Chat
1 day

CLC

EN IEC 61439-8:2026(Main)

Low-voltage switchgear and controlgear assemblies - Part 8: Assemblies for use in photovoltaic installations

SIST EN IEC 61439-8:2026

IEC 61439-8:2026 specifies requirements for the design and verification of low voltage switchgear and controlgear assemblies for use in photovoltaic installations. PVAs have the following characteristics: - assemblies used for the combination of electrical energy in DC systems for which the input and output voltage does not exceed 1 500 V DC; - assemblies supplied from an AC network where the voltage does not exceed 1 000 V AC for auxiliary and control purposes; - stationary assemblies with an enclosure; - assemblies intended for operation by authorised persons (see IEC 61439 1:2020, 3.7.17), but can be located in an area accessible to ordinary persons (see IEC 61439 1:2020, 3.7.16); - suitable for indoor or outdoor installation. This document identifies definitions, specifies the service conditions, details the construction requirements, defines the technical characteristics, and provides verifications for PVAs. PVAs can also include control or signalling devices, or both, associated with the distribution of electrical energy. This document applies to all PVAs whether they are designed and manufactured on a one-off basis or fully standardized and manufactured in quantity. Either the manufacture or assembly, or both, can be carried out by an entity other than the original manufacturer (see IEC 61439 1:2020, 3.10.1). This document does not apply to: - individual devices, for example, circuit-breakers, fuse switches and self-contained components such as, motor starters, switch mode power supplies (SMPS), uninterruptable power supplies (UPS), basic drive modules (BDM), complete drive modules (CDM), adjustable speed power drives systems (PDS), stand-alone energy storage systems (battery and capacitor systems), other electronic equipment which comply with their relevant product standards, such as junction boxes of photovoltaic modules. This document describes their integration into a PVA or an empty enclosure used as a part of a PVA; - photovoltaic power conversion equipment (PCE) incorporating DC combination sub-systems, covered by the IEC 62109 series. Some applications, such as either explosive atmospheres or functional safety, or both, can be subject to the requirements of other standards or local installation rules in addition to those specified in the IEC 61439 series. This document does not apply to the specific types of assemblies covered by other parts of the IEC 61439 series.

Standard
59 pages
English language
e-Library read for
AI-Chat
1 day

CLC

EN IEC 60947-4-1:2025/AC:2026-04(Corrigendum)

Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters

SIST EN IEC 60947-4-1:2025/AC:2026

Corrigendum
4 pages
English language
e-Library read for
AI-Chat
1 day

CLC

EN 50152-3-1:2017/A1:2025(Amendment)

Railway applications - Fixed installations - Particular requirements for a.c. switchgear - Part 3-1: Measurement, control and protection devices for specific use in a.c. traction systems - Devices

SIST EN 50152-3-1:2017/A1:2026

This European Standard is applicable to new low voltage devices for measurement, control and protection which are: — for indoor or outdoor fixed installations in traction systems, and — operated in conjunction with high voltage equipment with an a.c. line voltage and frequency as specified in EN 50163. This European Standard also applies to measurement, control and protective devices other than low voltage devices and not covered by a specific railway product standard as far as reasonably possible. Requirements of this document prevail. Scope of amendment Implementation of 2 technical changes: — Modification of subclause 5.4, second item in list of protection functions. — Aligning the value for short-circuit current of 50 Hz traction systems given in Annex A subclause A.2.1 ‘Line testing – General’ with EN 50388-1:2022 Table 7

Amendment
4 pages
English language
e-Library read for
AI-Chat
1 day

CLC

EN IEC 62683-2-2:2025(Main)

Low-voltage switchgear and controlgear - Product data and properties for information exchange - Engineering data - Part 2-2: Switchgear and controlgear assembly objects for building information modelling

SIST EN IEC 62683-2-2:2026

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 – logistic information.

Standard
33 pages
English language
e-Library read for
AI-Chat
1 day

06-Nov-2025
29.130.20
CLC/SR 121

CLC

EN IEC 63208:2025(Main)

Low-voltage switchgear and controlgear and their assemblies - Security requirements

SIST EN IEC 63208:2025

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). This document does not cover security requirements for: – 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.

Standard
131 pages
English language
e-Library read for
AI-Chat
1 day

02-Oct-2025
29.130.20
CLC/SR 121

CLC

EN IEC 63119-1:2025(Main)

Information exchange for electric vehicle charging roaming service - Part 1: General

SIST EN IEC 63119-1:2025

IEC 63119-1:2025 establishes a basis for the other parts of IEC 63119, specifying the terms and definitions, general description of the system model, classification, information exchange and security mechanisms for roaming between EV charging service providers (CSPs), charging station operators (CSOs) and clearing house platforms through roaming endpoints. It provides an overview and describes the general requirements of the EV roaming service system. The IEC 63119 series is applicable to high-level communication involved in information exchange/interaction between different CSPs, as well as between a CSP and a CSO with or without a clearing house platform through the roaming endpoint. The IEC 63119 series does not specify the information exchange, either between the charging station (CS) and the charging station operator (CSO), or between the EV and the CS. This second edition cancels and replaces the first edition published in 2019. This edition includes the following significant technical changes with respect to the previous edition: a) the scope is expanded to include differentiation between home and visited service provider roles and adds an explicit definition of roaming entity; b) adds definitions for "home charging service provider (home-CSP)", "visited charging station operator (visited-CSO)", and "charging detail record (CDR)", and expands related terms such as "service" and "roaming entity"; c) introduces abbreviation variants for "home-CSP" and "visited-CSO" in the terminology, aligning with North American and European conventions; d) updates the communication protocol stack by adopting a newer TLS version (upgraded from 1.2 to 1.3); e) system architecture and communication interfaces include detailed interactions between home-CSP and visited-CSO; f) adds a definition for "service" to cover a broader range of applications such as parking and reservation management; g) adds a distinction between "charging detail record (CDR)" and "service detail record (SDR)" and clarifies their relationship in the terminology; h) enhances the description of user credential transfer methods in communication interfaces with greater diversity; i) enhances the description of the mixed mode in the classification of roaming service models, emphasizing improved user experience through faster response times.

Standard
16 pages
English language
e-Library read for
AI-Chat
1 day

General Information

Buy Documents

EN 60947-6-1:1995

Relations

Buy Documents

EN 60947-6-1:1995

Get Certified

IMQ S.p.A. (Certification)

SLG Prüf- und Zertifizierungs GmbH

UL Solutions

Frequently Asked Questions

This May Also Interest You