Low-voltage switchgear and controlgear - Part 5-2: Control circuit devices and switching elements - Proximity switches

IEC 60947-5-2:2019 applies to inductive and capacitive proximity switches that sense the presence of metallic and/or non-metallic objects, ultrasonic proximity switches that sense the presence of sound reflecting objects, photoelectric proximity switches that sense the presence of objects and non-mechanical magnetic proximity switches that sense the presence of objects with a magnetic field. This fourth edition cancels and replaces the third edition published in 2007 and Amendment 1:2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:  update of the scope; adaptation and update of the construction requirements according to IEC Guide 116 (e.g. material requirements, artificial optical radiation, instruction requirements, hot surface, unattended operation, foreseeable misuse…); modification of the specifications concerning the sensing range and operating distance; new definitions for photoelectric proximity switch type D with background suppression; integration of the requirements and test procedures of photoelectric proximity switch type D with background suppression; update of EMC requirements in Table 9 and Table 10; integration of environmental information requirements and environmental condition by referencing Annexes O, W and Q of IEC 60947-1:2007, IEC 60947-1:2007/AMD1:2010 and IEC 60947-1:2007/AMD2:2014; modification of impulse withstand voltage test (5.3.1.3, 9.3.3.4.5); modification of the references in the (normative) standard body to the (informative) Annex A; major update of Annex A (definitions update, new dimensions and shapes); update of C.9.1.1; update of Annex D in order to consider new connector types and normative references; update of Annex F (additional symbols for photoelectric proximity switches).

Niederspannungsschaltgeräte - Teil 5-2: Steuergeräte und Schaltelemente - Näherungsschalter

Appareillage à basse tension - Partie 5-2: Appareils et éléments de commutation pour circuits de commande - Détecteurs de proximité

L’IEC 60947-5-2:2019 s’applique aux détecteurs de proximité inductifs et capacitifs qui détectent la présence d’objets métalliques et/ou non métalliques, aux détecteurs de proximité ultrasoniques qui détectent la présence d’objets réfléchissant les ultrasons, aux détecteurs de proximité photoélectriques qui détectent la présence d’objets et aux détecteurs de proximité magnétiques non mécaniques qui détectent la présence d’objets avec un champ magnétique. Cette quatrième édition annule et remplace la troisième édition parue en 2007 et l'Amendement 1:2012. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:  mise à jour du domaine d’application; adaptation et mise à jour des exigences relatives à la construction, conformément à l’IEC Guide 116 (par exemple les exigences relatives aux matériaux, le rayonnement optique artificiel, les exigences relatives aux instructions, les surfaces chaudes, le fonctionnement sans surveillance, les cas prévisibles d’usage inapproprié…); modification des spécifications concernant le domaine de détection et la portée; nouvelles définitions pour le détecteur de proximité photoélectrique de type D à effacement d’arrière-plan; intégration des exigences et des modes opératoires d’essai relatifs au détecteur de proximité photoélectrique de type D à effacement d’arrière-plan; mise à jour des exigences de CEM dans le Tableau 9 et le Tableau 10; intégration des exigences relatives aux données d’environnement et aux conditions d’environnement, en faisant référence aux Annexes O, W et Q de l’IEC 60947-1:2007, l’IEC 60947-1:2007/AMD1:2010 et l’IEC 60947-1:2007/AMD2:2014; modification de l’essai de tension assignée de tenue aux chocs (5.3.1.3, 9.3.3.4.5); modification du statut normatif des références données dans l’Annexe A, devenant une annexe informative; mise à jour majeure de l’Annexe A (mise à jour des définitions, nouvelles dimensions et formes); mise à jour de C.9.1.1; mise à jour de l’Annexe D afin de tenir compte des nouveaux types de connecteurs et des nouvelles références normatives; mise à jour de l’Annexe F (ajout de symboles pour les détecteurs de proximité photoélectriques).

Nizkonapetostne stikalne in krmilne naprave - 5-2. del: Krmilne naprave in stikalni elementi - Približevalna stikala (IEC 60947-5-2:2019)

General Information

Status
Published
Publication Date
26-Mar-2020
Current Stage
6060 - Document made available
Due Date
27-Mar-2020
Completion Date
27-Mar-2020

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SLOVENSKI STANDARD
SIST EN IEC 60947-5-2:2020
01-junij-2020
Nadomešča:
SIST EN 60947-5-2:2009
SIST EN 60947-5-2:2009/A1:2013

Nizkonapetostne stikalne in krmilne naprave - 5-2. del: Krmilne naprave in stikalni

elementi - Približevalna stikala (IEC 60947-5-2:2019)

Low-voltage switchgear and controlgear - Part 5-2: Control circuit devices and switching

elements - Proximity switches (IEC 60947-5-2:2019)
Niederspannungsschaltgeräte - Teil 5-2: Steuergeräte und Schaltelemente -
Näherungsschalter (IEC 60947-5-2:2019)

Appareillage à basse tension - Partie 5-2: Appareils et éléments de commutation pour

circuits de commande - Détecteurs de proximité (IEC 60947-5-2:2019)
Ta slovenski standard je istoveten z: EN IEC 60947-5-2:2020
ICS:
29.130.20 Nizkonapetostne stikalne in Low voltage switchgear and
krmilne naprave controlgear
SIST EN IEC 60947-5-2:2020 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN IEC 60947-5-2:2020
---------------------- Page: 2 ----------------------
SIST EN IEC 60947-5-2:2020
EUROPEAN STANDARD EN IEC 60947-5-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2020
ICS 29.120.40; 29.130.20 Supersedes EN 60947-5-2:2007 and all of its
amendments and corrigenda (if any)
English Version
Low-voltage switchgear and controlgear - Part 5-2: Control
circuit devices and switching elements - Proximity switches
(IEC 60947-5-2:2019)

Appareillage à basse tension - Partie 5-2: Appareils et Niederspannungsschaltgeräte - Teil 5-2: Steuergeräte und

éléments de commutation pour circuits de commande - Schaltelemente - Näherungsschalter

Détecteurs de proximité (IEC 60947-5-2:2019)
(IEC 60947-5-2:2019)

This European Standard was approved by CENELEC on 2019-11-22. 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

© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN IEC 60947-5-2:2020 E
---------------------- Page: 3 ----------------------
SIST EN IEC 60947-5-2:2020
EN IEC 60947-5-2:2020 (E)
European foreword

The text of document 121A/313/FDIS, future edition 4 of IEC 60947-5-2, 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

EN IEC 60947-5-2:2020.
The following dates are fixed:
• latest date by which the document has (dop) 2020-09-27
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2023-03-27
standards conflicting with the
document have to be withdrawn

This document supersedes EN 60947-5-2:2007 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 Directives see informative Annexes ZZA and ZZB, which are an integral

part of this document.
Endorsement notice

The text of the International Standard IEC 60947-5-2:2019 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 60825 (series) NOTE Harmonized as EN 60825 (series)
IEC 61000-3-2:2018 NOTE Harmonized as EN IEC 61000-3-2:2019 (not modified)
IEC 61000-3-3:2013 NOTE Harmonized as EN 61000-3-3:2013 (not modified)

IEC 61000-3-3:2013/A1:2017 NOTE Harmonized as EN 61000-3-3:2013/A1:2019 (not modified)

IEC 61076-2-101 NOTE Harmonized as EN 61076-2-101
IEC 61076-2-104 NOTE Harmonized as EN 61076-2-104
IEC 61076-2-105 NOTE Harmonized as EN 61076-2-105
IEC 62471:2006 NOTE Harmonized as EN 62471:2008 (modified)
IEC 62683-1:2017 NOTE Harmonized as EN 62683-1:2017 (not modified)
ISO 7010 NOTE Harmonized as EN ISO 7010
---------------------- Page: 4 ----------------------
SIST EN IEC 60947-5-2:2020
EN IEC 60947-5-2:2020 (E)
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 60068-2-6 2007 Environmental testing – Part 2-6: Tests EN 60068-2-6 2008
– Test Fc: Vibration (sinusoidal)
IEC 60068-2-14 2009 Environmental testing – Part 2-14: Tests EN 60068-2-14 2009
– Test N: Change of temperature
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 60364 series Low-voltage electrical installations HD 60364 series
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 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 60695-2-12 2010 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 + A1 2014
---------------------- Page: 5 ----------------------
SIST EN IEC 60947-5-2:2020
EN IEC 60947-5-2:2020 (E)
Publication Year Title EN/HD Year
IEC 60825-1 2014 Safety of laser products - Part 1: EN 60825-1 2014
Equipment classification and
requirements
+ AC 2017
IEC 60947-1 2007 Low-voltage switchgear and controlgear EN 60947-1 2007
- Part 1: General rules
+ A1 2010 + A1 2011
+ A2 2014 + A2 2014
IEC 61000-4-2 2008 Electromagnetic compatibility (EMC) - EN 61000-4-2 2009
Part 4-2: Testing and measurement
techniques - Electrostatic discharge
immunity test
IEC 61000-4-3 2006 Electromagnetic compatibility (EMC) - EN 61000-4-3 2006
Part 4-3: Testing and measurement
techniques - Radiated, radio-frequency,
electromagnetic field immunity test
+ A1 2007 + A1 2008
+ A2 2010 + A2 2010
IEC 61000-4-4 2012 Electromagnetic compatibility (EMC) - EN 61000-4-4 2012
Part 4-4: Testing and measurement
techniques - Electrical fast
transient/burst immunity test
IEC 61000-4-6 2013 Electromagnetic compatibility (EMC) - EN 61000-4-6 2014
Part 4-6: Testing and measurement
techniques - Immunity to conducted
disturbances, induced by radio-
frequency fields
+ AC 2015
IEC 61000-4-8 2009 Electromagnetic compatibility (EMC) - EC 61000-4-8 2010
Part 4-8: Testing and measurement
techniques - Power frequency magnetic
field immunity test
IEC 61000-4-11 2004 Electromagnetic compatibility (EMC) - EN 61000-4-11 2004
Part 4-11: Testing and measurement
techniques - Voltage dips, short
interruptions and voltage variations
immunity tests
+ A1 2017 + A1 2017
IEC 61000-4-13 2002 Electromagnetic compatibility (EMC) - EN 61000-4-13 2002
Part 4-13: Testing and measurement
techniques - Harmonics and
interharmonics including mains signalling
at a.c. power port, low frequency
immunity tests
+ A1 2009 + A1 2009
+ A2 2015 + A2 2016
IEC 61076-2 series Connectors for electronic equipment – EN 61076-2 series
Product requirements – Part 2: Circular
connectors
IEC 61140 - Protection against electric shock - EN 61140 2016
Common aspects for installation
and equipment
---------------------- Page: 6 ----------------------
SIST EN IEC 60947-5-2:2020
EN IEC 60947-5-2:2020 (E)
Publication Year Title EN/HD Year
Security for industrial automation and
IEC 62443 series EN 62443 series
control systems
IEC 62471 series Photobiological safety of lamps and EN 62471 series
lamp systems
IEC TR 62471-2 2009 Photobiological safety of lamps and - -
lamp systems - Part 2: Guidance on
manufacturing requirements relating to
non-laser optical radiation safety
CISPR 11 (mod) 2015 Industrial, scientific and medical EN 55011 2016
equipment
– Radio-frequency disturbance
characteristics – Limits and methods
of measurement
+ A1 2016 + A1 2017
IEC Guide 117 2010 Electrotechnical equipment - CLC Guide 29 2007
Temperatures of touchable hot surfaces
---------------------- Page: 7 ----------------------
SIST EN IEC 60947-5-2:2020
EN IEC 60947-5-2:2020 (E)
Annex ZZA
(informative)
Relationship between this European standard and the essential
requirements of Directive 2014/30/EU [2014 OJ L96] aimed to be
covered

This European standard has been prepared under the European Commission standardisation request

C(2016) 7641 final of 30.11.2016 , ('M/552'), as regards harmonised standards in support of Directive

2014/30/EU relating to electromagnetic compatibility, to provide one voluntary means of conforming to

essential requirements of Directive 2014/30/EU of the European Parliament and of the Council of 26

February 2014 on the harmonisation of the laws of the Member States relating to electromagnetic

compatibility [2014 OJ L96].

Once this standard is cited in the Official Journal of the European Union under that Directive,

compliance with the normative clauses of this standard given in Table ZZA.1 confers, within the limits

of the scope of this standard, a presumption of conformity with the corresponding essential

requirements of that Directive, and associated EFTA regulations.
Table ZZA.1 — Correspondence between this European standard and the Essential
Requirements set out in Directive 2014/30/EU [2014 OJ L96]
Essential requirements of Clause(s) / sub-clause(s) of
Remarks / Notes
Directive 2014/30/EU this EN
Annex I. 1(a) 8.2.6.1, 8.2.6.3, 9.6.1,
Electromagnetic 9.6.3
disturbances
Annex I. 1(b) 8.2.6.1, 8.2.6.2, 9.6.1, Full coverage of
Electromagnetic immunity 9.6.2 requirements for
conducted and radiated
disturbances in the range
150 kHz to 6 GHz

WARNING 1: Presumption of conformity stays valid only as long as a reference to this European

standard is maintained in the list published in the Official Journal of the European Union. Users of this

standard should consult frequently the latest list published in the Official Journal of the European

Union.

WARNING 2: Other Union legislation may be applicable to the product(s) falling within the scope of

this standard.

COMMISSION IMPLEMENTING DECISION C(2016) 7641 final of 30.11.2016 on a standardisation request to

the European Committee for Standardisation, to the European Committee for Electrotechnical Standardisation

and to the European Telecommunications Standards Institute as regards harmonised standards in support of

Directive 2014/30/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of

the laws of the Member States relating to electromagnetic compatibility.
---------------------- Page: 8 ----------------------
SIST EN IEC 60947-5-2:2020
EN IEC 60947-5-2:2020 (E)
Annex ZZB
(informative)
Relationship between this European standard and the safety
objectives of Directive 2014/35/EU [2014 OJ L96] aimed to be
covered

This European standard has been prepared under a Commission’s standardisation request relating to

harmonised standards in the field of the Low Voltage Directive, M/511, to provide one voluntary means

of conforming to safety objectives of Directive 2014/35/EU of the European Parliament and of the

Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the

making available on the market of electrical equipment designed for use within certain voltage limits

[2014 OJ L96].

Once this standard is cited in the Official Journal of the European Union under that Directive,

compliance with the normative clauses of this standard given in Table ZZB.1 confers, within the limits

of the scope of this standard, a presumption of conformity with the corresponding safety objectives of

that Directive, and associated EFTA regulations.

Table ZZB.1 — Correspondence between this European standard and Annex I of Directive

2014/35/EU [2014 OJ L96]
Safety objectives of Directive Clause(s) / sub-clause(s) of
Remarks/note
2014/35/EU this EN
1 a) 1, 2, 3, 4, 5.3, 5.4, 6.1, 6.2,
6.3, 6.4, 7.1, 8.1, 8.2, 9.1,
9.2, 9.3, ANNEX B
1 b) 1, 2, 3, 4, 5, 6.1, 6.2, 6.3, 7,
8.1, 8.2 ANNEX B
1 c) 1, 2, 3, 4, 5, 6, 7, 8
Also refer to 2 a) to 2 d) and 3
a) to 3 c) in this table
2 a) 1, 2, 3, 4, 5.3, 6.1, 8.1, 8.2,
8.4, 9.1, 9.2, 9.3, ANNEX B,
ANNEX C
2 b) 1, 2, 3, 4, 5.3, 5.4, 6.1, 6.3, This document does not
deal with any specific
7.1, 8.1, 8.2, 9.2, 9.3
requirement on acoustic
noise.
Photobiological
radiation risk (8.1) is
covered by using the
standard informed (EN
60825- 1/EN 62471
(all parts)).
2 c) 1, 2, 3, 4, 5, 6.4, 7, 8.1, 8.4,
9.1, ANNEX B, ANNEX C
---------------------- Page: 9 ----------------------
SIST EN IEC 60947-5-2:2020
EN IEC 60947-5-2:2020 (E)
Safety objectives of Directive Clause(s) / sub-clause(s) of
Remarks/note
2014/35/EU this EN
2 d) 1, 2, 3, 4, 5.3, 5.4, 6.1 7, 8.1,
8.2, 9.1, 9.2, 9.3, ANNEX B
3 a) 1, 2, 3, 4, 5, 7, 8.4, 9.1, ANNEX B,
ANNEX C
3 b) 1, 2, 3, 4, 5, 8.1 In reference to the scope
of this document the risk
about
biological/chemical
effects and chemical
stress (8.1) is not
recognized and
therefore not covered.
3 c) 1, 2, 3, 4, 5, 7.1, 8.1, 8.2, 9.3

WARNING 1: Presumption of conformity stays valid only as long as a reference to this European

standard is maintained in the list published in the Official Journal of the European Union. Users of this

standard should consult frequently the latest list published in the Official Journal of the European

Union.

WARNING 2: Other Union legislation may be applicable to the product(s) falling within the scope of

this standard.
---------------------- Page: 10 ----------------------
SIST EN IEC 60947-5-2:2020
IEC 60947-5-2
Edition 4.0 2019-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Low-voltage switchgear and controlgear –
Part 5-2: Control circuit devices and switching elements – Proximity switches
Appareillage à basse tension –
Partie 5-2: Appareils et éléments de commutation pour circuits de commande –
Détecteurs de proximité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.120.40; 29.130.20 ISBN 978-2-8322-7445-3

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 11 ----------------------
SIST EN IEC 60947-5-2:2020
– 2 – IEC 60947-5-2:2019 © IEC 2019
CONTENTS

FOREWORD ........................................................................................................................... 9

1 Scope ............................................................................................................................ 12

2 Normative references .................................................................................................... 13

3 Terms and definitions .................................................................................................... 14

3.1 Basic terms and definitions ................................................................................... 17

3.2 Parts of a proximity switch .................................................................................... 18

3.3 Operation of a proximity switch ............................................................................. 20

3.4 Switching element characteristics ......................................................................... 22

4 Classification ................................................................................................................. 24

4.1 General ................................................................................................................. 24

4.2 Classification according to sensing means ............................................................ 26

4.3 Classification according to the mechanical installation .......................................... 26

4.4 Classification according to the construction form and size ..................................... 26

4.5 Classification according to switching element function .......................................... 26

4.6 Classification according to type of output .............................................................. 26

4.7 Classification according to method of connection .................................................. 26

5 Characteristics .............................................................................................................. 26

5.1 General ................................................................................................................. 26

5.1.1 Summary of characteristics ............................................................................ 26

5.1.2 Operation of an inductive or capacitive proximity switch ................................ 26

5.1.3 Operation of an ultrasonic proximity switch .................................................... 27

5.1.4 Operation of a photoelectric proximity switch ................................................. 27

5.1.5 Operation of a magnetic proximity switch ....................................................... 27

5.2 Operating conditions ............................................................................................. 27

5.2.1 Operating conditions of inductive and capacitive proximity switches .............. 27

5.2.2 Operating distance (s) of an ultrasonic proximity switch ................................. 28

5.2.3 Operating distance (s) of a photoelectric proximity switch .............................. 29

5.3 Rated and limiting values for the proximity switch and switching element(s) .......... 31

5.3.1 Voltages ........................................................................................................ 31

5.3.2 Currents ........................................................................................................ 31

5.3.3 Rated supply frequency ................................................................................. 32

5.3.4 Frequency of operating cycles (f) ................................................................... 32

5.3.5 Normal load and abnormal load characteristics .............................................. 32

5.3.6 Short-circuit characteristics ........................................................................... 32

5.4 Utilization categories for the switching element ..................................................... 32

6 Product information ....................................................................................................... 33

6.1 Nature of information – Identification ..................................................................... 33

6.2 Marking ................................................................................................................. 34

6.2.1 General ......................................................................................................... 34

6.2.2 Terminal identification and marking ............................................................... 34

6.2.3 Functional markings....................................................................................... 34

6.3 Instructions for installation, operation and maintenance ........................................ 34

6.4 Environmental information .................................................................................... 35

6.4.1 Environmentally conscious design process (ECD process) ............................ 35

---------------------- Page: 12 ----------------------
SIST EN IEC 60947-5-2:2020
IEC 60947-5-2:2019 © IEC 2019 – 3 –

6.4.2 Procedure to establish material declaration ................................................... 35

7 Normal service, mounting and transport conditions ........................................................ 35

7.1 Normal service conditions ..................................................................................... 35

7.1.1 General ......................................................................................................... 35

7.1.2 Ambient air temperature ................................................................................ 35

7.1.3 Altitude .......................................................................................................... 36

7.1.4 Climatic conditions ........................................................................................ 36

7.2 Conditions during transport and storage ................................................................ 36

7.3 Mounting ............................................................................................................... 36

8 Constructional and performance requirements ............................................................... 36

8.1 Constructional requirements ................................................................................. 36

8.1.1 Materials ....................................................................................................... 36

8.1.2 Current-carrying parts and their connections ................................................. 37

8.1.3 Clearances and creepage distances .............................................................. 38

8.1.4 Actuation ....................................................................................................... 38

8.1.5 Void ............................................................................................................... 38

8.1.6 Void ............................................................................................................... 38

8.1.7 Terminals ...................................................................................................... 38

8.1.8 Void ............................................................................................................... 40

8.1.9 Provisions for protective earthing ................................................................... 40

8.1.10 Degree of protection ...................................................................................... 40

8.1.11 Requirements for proximity switches with integrally connected cables ........... 40

8.1.12 Class II proximity switches ............................................................................. 41

8.1.13 Chemical stress ............................................................................................. 41

8.1.14 Equipment design .......................................................................................... 41

8.1.15 Protection against artificial optical radiation ................................................... 41

8.1.16 Biological and chemical effects ...................................................................... 42

8.1.17 Unattended operation .................................................................................... 42

8.1.18 Safety related security ................................................................................... 42

8.1.19 Requirements for embedded software ............................................................ 42

8.2 Performance requirements .................................................................................... 42

8.2.1 Operating conditions ...................................................................................... 42

8.2.2 Temperature-rise ........................................................................................... 46

8.2.3 Dielectric properties ....................................................................................... 47

8.2.4 Ability to make and break under normal load and abnormal load

conditions ...................................................................................................... 48

8.2.5 Conditional short-circuit current ..................................................................... 49

8.2.6 Electromagnetic compatibility (EMC) ............................................................. 49

8.3 Physical dimensions ............................................................................................. 53

8.4 Shock and vibration and special environmental conditions .................................... 53

8.4.1 Shock ............................................................................................................ 53

8.4.2 Vibration ........................................................................................................ 53

8.4.3 Results to be obtained ................................................................................... 53

8.4.4 Special environmental conditions – damp heat, salt mist, vibration and

shock ............................................................................................................. 54

9 Tests ............................................................................................................................. 54

9.1 Kinds of tests ........................................................................................................ 54

9.1.1 General ......................................................................................................... 54

9.1.2 Type tests ...................................................................................................... 54

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SIST EN IEC 60947-5-2:2020
– 4 – IEC 60947-5-2:2019 © IEC 2019

9.1.3 Routine tests ................................................................................................. 54

9.1.4 Sampling tests ............................................................................................... 54

9.1.5 Special tests .................................................................................................. 54

9.2 Compliance with constructional requirements ........................................................ 55

9.2.1 General ......................................................................................................... 55

9.2.2 Materials ....................................................................................................... 55

9.3 Performances ....................................................................................................... 55

9.3.1 Test sequences ............................................................................................. 55

9.3.2 General test conditions .................................................................................. 56

9.3.3 Performance under no load, normal load and abnormal load condition ........... 58

9.3.4 Performance under short-circuit current conditions ........................................ 64

9.4 Testing of operating distances .............................................................................. 65

9.4.1 Inductive, capacitive, non-mechanical magnetic and ultrasonic proxi
...

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