EN IEC 60947-1:2021

Low-voltage switchgear and controlgear - Part 1: General rules

EN IEC 60947-1:2021

Name:EN IEC 60947-1:2021   Standard name:Low-voltage switchgear and controlgear - Part 1: General rules
Standard number:EN IEC 60947-1:2021   language:English language
Release Date:18-Feb-2021   technical committee:CLC/TC 121A - Low-voltage switchgear and controlgear
Drafting committee:IEC/SC 121A - Low-voltage switchgear and controlgear   ICS number:29.130.20 - Low voltage switchgear and controlgear

SLOVENSKI STANDARD
01-maj-2021
Nadomešča:
SIST EN 60947-1:2007
SIST EN 60947-1:2007/A1:2011
SIST EN 60947-1:2007/A2:2015
Nizkonapetostne stikalne naprave - 1. del: Splošna pravila (IEC 60947-1:2020)
Low-voltage switchgear and controlgear - Part 1: General rules (IEC 60947-1:2020)
Niederspannungsschaltgeräte - Teil 1: Allgemeine Festlegungen (IEC 60947-1:2020)
Appareillage à basse tension - Partie 1: Règles générales (IEC 60947-1:2020)
Ta slovenski standard je istoveten z: EN IEC 60947-1:2021
ICS:
29.130.20 Nizkonapetostne stikalne in Low voltage switchgear and
krmilne naprave controlgear
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60947-1

NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2021
ICS 29.130.20 Supersedes EN 60947-1:2007 and all of its amendments
and corrigenda (if any)
English Version
Low-voltage switchgear and controlgear - Part 1: General rules
(IEC 60947-1:2020)
Appareillage à basse tension - Partie 1: Règles générales Niederspannungsschaltgeräte - Teil 1: Allgemeine
(IEC 60947-1:2020) Festlegungen
(IEC 60947-1:2020)
This European Standard was approved by CENELEC on 2020-05-27. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60947-1:2021 E

European foreword
The text of document 121A/337/FDIS, future edition 6 of IEC 60947-1, prepared by SC 121A "Low-
voltage switchgear and controlgear" of IEC/TC 121 "Switchgear and controlgear and their assemblies
for low voltage" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2021-08-19
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2024-02-19
document have to be withdrawn
This document supersedes EN 60947-1:2007 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association, and supports essential requirements of EU Directive(s).
For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this
document.
Endorsement notice
The text of the International Standard IEC 60947-1:2020 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60034-12:2016 NOTE Harmonized as EN 60034-12:2017 (not modified)
IEC 60068 (series) NOTE Harmonized as EN 60068 (series)
IEC 60079 (series) NOTE Harmonized as EN IEC 60079 (series)
IEC 60112 NOTE Harmonized as EN IEC 60112
IEC 60364-4-44:2007 NOTE Harmonized as HD 60364-4-444:2010 (modified)
IEC 60364-4-44:2007/A1:2015 NOTE Harmonized as HD 60364-4-443:2016 (modified)
IEC 60664-3 NOTE Harmonized as EN 60664-3
IEC 60695-11-5:2016 NOTE Harmonized as EN 60695-11-5:2017 (not modified)
IEC 60721 (series) NOTE Harmonized as EN 60721 (series)
IEC 60721-3 (series) NOTE Harmonized as EN 60721-3 (series)
IEC 60721-3-0 NOTE Harmonized as EN IEC 60721-3-0
IEC 60947 (series) NOTE Harmonized as EN IEC 60947 (series)
IEC 60947-3 NOTE Harmonized as EN 60947-3
IEC 60947-4-1 NOTE Harmonized as EN IEC 60947-4-1
IEC 60947-4-3 NOTE Harmonized as EN 60947-4-3
IEC 60947-5-2 NOTE Harmonized as EN IEC 60947-5-2
IEC 60947-5-3 NOTE Harmonized as EN 60947-5-3
IEC 60947-5-5 NOTE Harmonized as EN 60947-5-5
IEC 60947-5-7 NOTE Harmonized as EN 60947-5-7
IEC 60947-6-1 NOTE Harmonized as EN 60947-6-1
IEC 60947-6-2 NOTE Harmonized as EN 60947-6-2
IEC 60947-7-1:2009 NOTE Harmonized as EN 60947-7-1:2009 (not modified)
IEC 60998-2-2:2002 NOTE Harmonized as EN 60998-2-2:2004 (modified)
IEC 61095 NOTE Harmonized as EN 61095
IEC 61293 NOTE Harmonized as EN IEC 61293
IEC 61439-1:2011 NOTE Harmonized as EN 61439-1:2011 (not modified)
IEC 61508 (series) NOTE Harmonized as EN 61508 (series)
IEC 61508-3 NOTE Harmonized as EN 61508-3
IEC 61508-6 NOTE Harmonized as EN 61508-6
IEC 62075:2012 NOTE Harmonized as EN 62075:2012 (not modified)
IEC 62208:2011 NOTE Harmonized as EN 62208:2011 (not modified)
IEC 62430:2009 NOTE Harmonized as EN 62430:2009 (not modified)
IEC 62443 (series) NOTE Harmonized as EN IEC 62443 (series)
IEC/IEEE 82079-1 NOTE Harmonized as EN IEC/IEEE 82079-1
ISO 13715:2017 NOTE Harmonized as EN ISO 13715:2019 (not modified)
ISO 14001:2015 NOTE Harmonized as EN ISO 14001:2015 (not modified)
ISO 14020 NOTE Harmonized as EN ISO 14020
ISO 14021 NOTE Harmonized as EN ISO 14021
ISO 14024 NOTE Harmonized as EN ISO 14024
ISO 14025 NOTE Harmonized as EN ISO 14025
ISO 14040:2006 NOTE Harmonized as EN ISO 14040:2006 (not modified)
ISO 14063 NOTE Harmonized as EN ISO 14063
ISO 50001:2018 NOTE Harmonized as EN ISO 50001:2018 (not modified)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the
relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60038 (mod) 2009 IEC standard voltages EN 60038 2011
IEC 60068-1 2013 Environmental testing - Part 1: General EN 60068-1 2014
and guidance
IEC 60068-2-1 2007 Environmental testing - Part 2-1: Tests - EN 60068-2-1 2007
Test A: Cold
IEC 60068-2-2 2007 Environmental testing - Part 2-2: Tests - EN 60068-2-2 2007
Test B: Dry heat
IEC 60068-2-6 2007 Environmental testing - Part 2-6: Tests - EN 60068-2-6 2009
Test Fc: Vibration (sinusoidal)
IEC 60068-2-27 2008 Environmental testing - Part 2-27: Tests - EN 60068-2-27 2009
Test Ea and guidance: Shock
IEC 60068-2-30 2005 Environmental testing - Part 2-30: Tests - EN 60068-2-30 2005
Test Db: Damp heat, cyclic (12 h + 12 h
cycle)
IEC 60068-2-52 1996 Environmental testing - Part 2: Tests - Test EN 60068-2-52 1996
Kb: Salt mist, cyclic (sodium chloride
solution)
IEC 60068-2-78 2012 Environmental testing - Part 2-78: Tests - EN 60068-2-78 2013
Test Cab: Damp heat, steady state
IEC 60073 2002 Basic and safety principles for man- EN 60073 2002
machine interface, marking and
identification - Coding principles for
indicators and actuators
IEC 60085 2007 Electrical insulation - Thermal evaluation EN 60085 2008
and designation
IEC 60092-504 2016 Electrical installations in ships - Part 504: - -
Automation, control and instrumentation
Publication Year Title EN/HD Year
IEC 60216-2 - Electrical insulating materials - Thermal EN 60216-2 2005
endurance properties - Part 2:
Determination of thermal endurance
properties of electrical insulating materials
- Choice of test criteria
IEC 60228 2004 Conductors of insulated cables EN 60228 2005
- -  +AC 2005
IEC 60269-1 2006 Low-voltage fuses - Part 1: General EN 60269-1 2007
requirements
+ A1 2009  + A1 2009
+ A2 2014  + A2 2014
IEC 60300-3-5 2001 Dependability management - Part 3-5: - -
Application guide - Reliability test
conditions and statistical test principles
IEC/TR 60344 2007 Calculation of d.c. resistance of plain and - -
coated copper conductors of low-frequency
cables and wires – Application guide
IEC 60417 - Graphical symbols for use on equipment - -
IEC 60445 2017 Basic and safety principles for man- EN 60445 2017
machine interface, marking and
identification - Identification of equipment
terminals, conductor terminations and
conductors
IEC 60447 2004 Basic and safety principles for man- EN 60447 2004
machine interface, marking and
identification – Actuating principles
IEC 60529 1989 Degrees of protection provided by EN 60529 1991
enclosures (IP Code)
+ A1 1999  + A1 2000
+ A2 2013  + A2 2013
- -  + AC 1993
- -  + AC 2016
IEC 60617 - Graphical symbols for diagrams - -
IEC 60664-1 2007 Insulation coordination for equipment EN 60664-1 2007
within low-voltage systems - Part 1:
Principles, requirements and tests
IEC 60695-2-10 2013 Fire hazard testing - Part 2-10: EN 60695-2-10 2013
Glowing/hot-wire based test methods -
Glow-wire apparatus and common test
procedure
IEC 60695-2-11 2014 Fire hazard testing - Part 2-11: EN 60695-2-11 2014
Glowing/hot-wire based test methods -
Glow-wire flammability test method for
end-products (GWEPT) (IEC 60695-2-
11:2014)
Publication Year Title EN/HD Year
IEC 60695-2-12 - Fire hazard testing - Part 2-12: EN 60695-2-12 2010
Glowing/hot-wire based test methods -
Glow-wire flammability index (GWFI) test
method for materials
- -  + A1 2014
IEC 60695-11-10 2013 Fire hazard testing - Part 11-10: Test EN 60695-11-10 2013
flames - 50 W horizontal and vertical flame
test methods
- -  + AC 2014
IEC 60947-2 2016 Low-voltage switchgear and controlgear - EN 60947-2 2017
Part 2: Circuit-breakers
+ CORR1 2016  - -
+A1 2019 -
IEC 60947-4-2 - Low-voltage switchgear and controlgear - EN 60947-4-2 2012
Part 4-2: Contactors and motor-starters -
AC semiconductor motor controllers and
starters
IEC 60947-5 all parts Low-voltage switchgear and controlgear –: EN 60947-5 series
Control circuit devices and switching
elements
IEC 60947-5-1 - Low-voltage switchgear and controlgear - EN 60947-5-1 2017
Part 5-1: Control circuit devices and
switching elements - Electromechanical
control circuit devices
IEC 60947-8 - Low-voltage switchgear and controlgear - EN 60947-8 2003
Part 8: Control units for built-in thermal
protection (PTC) for rotating electrical
machines
- -  + A1 2006
- -  + A2 2012
IEC 60981 2019 Extra heavy-duty electrical rigid steel - -
conduits
IEC 60999-1 1999 Connecting devices - Electrical copper EN 60999-1 2000
conductors - Safety requirements for
screw-type and screwless-type clamping
units - Part 1: General requirements and
particular requirements for clamping units
for conductors from 0,2 mm² up to 35 mm²
(included)
IEC 60999-2 2003 Connecting devices - Electrical copper EN 60999-2 2003
conductors - Safety requirements for
screw-type and screwless-type clamping
units - Part 2: Particular requirements for
clamping units for conductors above 35
mm² up to 300 mm² (included)
IEC 61000-4-2 2008 Electromagnetic compatibility (EMC) - Part EN 61000-4-2 2009
4-2: Testing and measurement techniques
- Electrostatic discharge immunity test
Publication Year Title EN/HD Year
IEC 61000-4-3 - Electromagnetic compatibility (EMC) - Part EN 61000-4-3 2006
4-3: Testing and measurement techniques
- Radiated, radio-frequency,
electromagnetic field immunity test
- -  + A1 2008
- -  + A2 2010
IEC 61000-4-4 - Electromagnetic compatibility (EMC) - Part EN 61000-4-4 2012
4-4: Testing and measurement techniques
- Electrical fast transient/burst immunity
test
IEC 61000-4-5 - Electromagnetic compatibility (EMC) - Part EN 61000-4-5 2014
4-5: Testing and measurement techniques
- Surge immunity test
- -  + A1 2017
IEC 61000-4-6 - Electromagnetic compatibility (EMC) - Part EN 61000-4-6 2014
4-6: Testing and measurement techniques
- Immunity to conducted disturbances,
induced by radio-frequency fields
- -  + AC 2015
IEC 61000-4-8 - Electromagnetic compatibility (EMC) - Part EN 61000-4-8 2010
4-8: Testing and measurement techniques
- Power frequency magnetic field immunity
test
IEC 61000-4-11 - Electromagnetic compatibility (EMC) - Part EN 61000-4-11 2004
4-11: Testing and measurement
techniques - Voltage dips, short
interruptions and voltage variations
immunity tests
- -  + A1 2017
IEC 61000-4-34 - Electromagnetic compatibility (EMC) - Part EN 61000-4-34 2007
4-34: Testing and measurement
techniques - Voltage dips, short
interruptions and voltage variations
immunity tests for equipment with mains
current more than 16 A per phase
+ A1 2009
IEC 61000-6-2 2016 Electromagnetic compatibility (EMC) - Part EN IEC 61000-6-2 2019
6-2: Generic standards - Immunity for
industrial environments
IEC 61000-6-
...

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