EN IEC 61535:2019
(Main)Installation couplers intended for permanent connection in fixed installations
Installation couplers intended for permanent connection in fixed installations
IEC 61535:2019 is available as IEC 61535:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61535:2019 applies to two-wire, up to five-wire installation couplers, including earth, if provided, with a rated voltage up to and including 500 V AC or DC and a rated connecting capacity up to and including 10 mm2 for permanent connection in electrical installations. Installation couplers with additional contacts for voltages other than mains voltages are outside the scope of this document. This second edition cancels and replaces the first edition published in 2009 and Amendment 1:2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - enlargement of the scope to DC application; - addition of further requirements as regards DC application (marking, etc.), no additional test procedures were deemed necessary; however some modifications were necessary in the normative text; - changes and enhancement of the field of application of installation couplers into outdoor applications; - addition of a suitable temperature range; - updating of the list of normative references, modified to undated references, where possible.
Installationssteckverbinder für dauernde Verbindung in festen Installationen
Coupleurs d'installation pour connexions permanentes dans les installations fixes
IEC 61535:2019 est disponible sous forme de IEC 61535:2019 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.IEC 61535:2019 s'applique aux coupleurs d'installation comportant de deux à cinq conducteurs, y compris le conducteur de terre (le cas échéant), de tension assignée jusqu'à 500 V inclus en courant alternatif ou en courant continu et de capacité de connexion assignée jusqu'à 10 mm2 inclus, pour connexion permanente dans les installations électriques. Les coupleurs d'installation avec des contacts supplémentaires pour des tensions autres que la tension d'alimentation du réseau ne relèvent pas du domaine d'application du présent document. Cette deuxième édition annule et remplace la première édition parue en 2009 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: - extension du domaine d'application à l'application en courant continu; - ajout des exigences supplémentaires en matière d'application en courant continu (marquage, etc.), aucune procédure d'essai supplémentaire n'a été jugée nécessaire; toutefois, certaines modifications du texte normatif étaient nécessaires; - modifications et amélioration du champ d'application des coupleurs d'installation aux applications extérieures; - ajout d'une plage de températures appropriée; - mise à jour de la liste des références normatives, modifiée pour inclure des références non datées, lorsque cela était possible.
Inštalacijske spojke za trajni spoj v fiksnih napeljavah (inštalacijah) (IEC 61535:2019)
General Information
Relations
Overview
EN IEC 61535:2019 (IEC 61535:2019) is the CLC/CENELEC adoption of the international standard for installation couplers intended for permanent connection in fixed installations. It covers two‑ to five‑wire installation couplers (including earth where provided) with a rated voltage up to and including 500 V AC or DC and a rated connecting capacity up to and including 10 mm². This second edition updates and replaces the 2009 edition and its amendment, extending the scope to DC applications, enhancing outdoor application requirements, adding a specified temperature range, and updating normative references.
Key topics and technical requirements
The standard sets requirements and test methods related to:
- Scope and ratings: rated voltage (≤ 500 V AC/DC), rated current and connecting capacity (≤ 10 mm²).
- Classification and markings: identification, marking (including added DC marking requirements), documentation and symbols for safe use.
- Safety and compatibility: prevention of dangerous or unintended connections, engagement and inter-system compatibility rules.
- Protection against electric shock: degree of protection (IP), access to live parts, and safe external parts.
- Terminals and conductors: requirements for rewirable and non‑rewirable terminals, strand retention and connectable conductor types.
- Construction and mechanical design: earth connections, locking against rotation, contact mechanical strength, housings and retaining means.
- Environmental performance: ingress protection (IP), tests for outdoor use, insulation resistance and electric strength.
- Electrical performance: contact construction and pressure, resistance of connections, temperature rise and breaking capacity.
- Test regimes: conditions for type and routine tests, order of tests, and compliance criteria.
Practical applications and users
EN IEC 61535:2019 is intended for professionals involved with permanent wiring and electrical coupler products, including:
- Manufacturers and designers of installation couplers and fixed wiring accessories.
- Electrical engineers and specifiers developing building wiring, industrial installations, and outdoor fixed connections.
- Test laboratories and certification bodies performing type and routine testing to demonstrate compliance.
- Installers, procurement and compliance officers who need to select or approve couplers for low‑voltage fixed installations.
- Regulatory bodies leveraging the standard for conformity assessment under the Low Voltage Directive (see Annex ZZ for correspondence).
Related standards
EN IEC 61535 references and aligns with several IEC standards used in practice, for example:
- IEC 60309 series, IEC 60320 series
- IEC 60364 series (HD 60364)
- IEC 60999, IEC 60998 series
- IEC 60068 environmental tests, IEC 60529 (IP Code)
EN IEC 61535:2019 is essential for ensuring safe, interoperable and tested installation couplers for fixed AC and DC low‑voltage installations.
Frequently Asked Questions
EN IEC 61535:2019 is a standard published by CLC. Its full title is "Installation couplers intended for permanent connection in fixed installations". This standard covers: IEC 61535:2019 is available as IEC 61535:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61535:2019 applies to two-wire, up to five-wire installation couplers, including earth, if provided, with a rated voltage up to and including 500 V AC or DC and a rated connecting capacity up to and including 10 mm2 for permanent connection in electrical installations. Installation couplers with additional contacts for voltages other than mains voltages are outside the scope of this document. This second edition cancels and replaces the first edition published in 2009 and Amendment 1:2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - enlargement of the scope to DC application; - addition of further requirements as regards DC application (marking, etc.), no additional test procedures were deemed necessary; however some modifications were necessary in the normative text; - changes and enhancement of the field of application of installation couplers into outdoor applications; - addition of a suitable temperature range; - updating of the list of normative references, modified to undated references, where possible.
IEC 61535:2019 is available as IEC 61535:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61535:2019 applies to two-wire, up to five-wire installation couplers, including earth, if provided, with a rated voltage up to and including 500 V AC or DC and a rated connecting capacity up to and including 10 mm2 for permanent connection in electrical installations. Installation couplers with additional contacts for voltages other than mains voltages are outside the scope of this document. This second edition cancels and replaces the first edition published in 2009 and Amendment 1:2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - enlargement of the scope to DC application; - addition of further requirements as regards DC application (marking, etc.), no additional test procedures were deemed necessary; however some modifications were necessary in the normative text; - changes and enhancement of the field of application of installation couplers into outdoor applications; - addition of a suitable temperature range; - updating of the list of normative references, modified to undated references, where possible.
EN IEC 61535:2019 is classified under the following ICS (International Classification for Standards) categories: 29.100.99 - Other components for electrical equipment. The ICS classification helps identify the subject area and facilitates finding related standards.
EN IEC 61535:2019 has the following relationships with other standards: It is inter standard links to EN 61535:2009, EN 61535:2009/A1:2013, EN IEC 61535:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN IEC 61535:2019 is associated with the following European legislation: EU Directives/Regulations: 2014/35/EU; Standardization Mandates: M/511. 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.
You can purchase EN IEC 61535:2019 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CLC standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2020
Nadomešča:
SIST EN 61535:2009
SIST EN 61535:2009/A1:2013
Inštalacijske spojke za trajni spoj v fiksnih napeljavah (inštalacijah) (IEC
61535:2019)
Installation couplers intended for permanent connection in fixed installations (IEC
61535:2019)
Installationssteckverbinder für dauernde Verbindung in festen Installationen (IEC
61535:2019)
Coupleurs d'installation pour connexions permanentes dans les installations fixes (IEC
61535:2019)
Ta slovenski standard je istoveten z: EN IEC 61535:2019
ICS:
29.120.30 Vtiči, vtičnice, spojke Plugs, socket-outlets,
couplers
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 61535
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2019
ICS 29.100.99 Supersedes EN 61535:2009 and all of its amendments
and corrigenda (if any)
English Version
Installation couplers intended for permanent connection in fixed
installations
(IEC 61535:2019)
Coupleurs d'installation pour connexions permanentes dans Installationssteckverbinder für dauernde Verbindung in
les installations fixes festen Installationen
(IEC 61535:2019) (IEC 61535:2019)
This European Standard was approved by CENELEC on 2019-11-20. 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
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 61535:2019 E
European foreword
The text of document 23/792/CDV, future edition of IEC 61535:2019, prepared by IEC/TC 23
"Electrical accessories" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC
as EN IEC 61535:2019.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-08-20
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-11-20
document have to be withdrawn
This document supersedes EN 61535:2009 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 61535:2019 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 60309 (series) NOTE Harmonized as EN 60309-4:2007/A1 (series)
IEC 60320 (series) NOTE Harmonized as EN 60320 (series)
IEC 60364 (series) NOTE Harmonized as HD 60364 (series)
IEC 60364-4-41:2005 NOTE Harmonized as HD 60364-4-41:2017
IEC 60364-5-52:2009 NOTE Harmonized as HD 60364-5-52:2011
IEC 61995 (series) NOTE Harmonized as EN 61995-2:2009/A1 (series)
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 60068-2-31 2008 Environmental testing - Part 2-31: Tests - EN 60068-2-31 2008
Test Ec: Rough handling shocks, primarily
for equipment-type specimens
IEC 60112 - Method for the determination of the proof EN 60112 2003
and the comparative tracking indices of
solid insulating materials
+ A1 2009
IEC 60529 1989 Degrees of protection provided by EN 60529 1991
enclosures (IP Code)
+ A1 1999 + A1 2000
+ A2 2013 + A2 2013
IEC 60664-1 2007 Insulation coordination for equipment EN 60664-1 2007
within low-voltage systems - Part 1:
Principles, requirements and tests
IEC 60695-2-11 - Fire hazard testing - Part 2-11: EN 60695-2-11 -
Glowing/hot-wire based test methods -
Glow-wire flammability test method for
end-products (GWEPT)
IEC 60998-2-3 - Connecting devices for low-voltage circuits EN 60998-2-3 -
for household and similar purposes - Part
2-3: Particular requirements for connecting
devices as separate entities with
insulation-piercing clamping units
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 61032 1997 Protection of persons and equipment by EN 61032 1998
enclosures - Probes for verification
Annex ZZ
(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 ZZ.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 ZZ.1 — Correspondence between this European standard and Annex I of
Directive 2014/35/EU [2014 OJ L96]
Safety objectives of Clause(s) / sub-clause(s)
Remarks / Notes
Directive 2014/35/EU of this EN
(1)(a)
Clauses 1, 7, 8, Annex D, Annex
E
(1)(b)
Clauses 6.2, 6.3, 8.3, 8.4, 9, 11,
12, 19, 22, Annex A, Annex E
(1)(c)
Clause 4
(2)(a) Clauses 9, 10, 12, 14, 16, 19.5,
20, 21, 23, Annex A
(2)(b) Clauses 11.2, 12.9, 15, 16, 17,
21.5
(2)(c) Clauses 10.1, 12, 24
(2)(d)
Clauses 6, 10, 14, 21, 23, 24
(3)(a)
Clauses 9.1, 12, 13, 18, 19.2,
19.3, 19.4, 20, 21.3, 21.4, 22
(3)(b) Clauses 13, 21, 24, 25
(3)(c) Clauses 11.2, 12.2, 12.3
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.
IEC 61535 ®
Edition 2.0 2019-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Installation couplers intended for permanent connection in fixed installations
Coupleurs d'installation pour connexions permanentes dans les installations
fixes
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.120.99 ISBN 978-2-8322-7428-6
– 2 – IEC 61535:2019 © IEC 2019
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms and definitions . 10
4 General requirements . 12
5 Conditions for tests . 12
5.1 General . 12
5.2 Test conditions . 13
5.3 Tests on non-rewirable installation couplers . 13
5.4 Order of tests . 13
5.5 Specification of tests . 13
5.6 Compliance requirements . 13
5.7 Routine tests for non-rewirable installation couplers . 13
6 Ratings . 13
6.1 Rated voltage . 13
6.2 Rated current . 14
6.3 Rated connecting capacity . 14
6.4 Tests . 15
7 Classification . 15
8 Marking and documentation . 15
8.1 General . 15
8.2 Use of symbols or letters . 16
8.3 Markings . 16
8.4 Documentation . 17
9 Dangerous compatibility . 17
9.1 Unintended or improper connection . 17
9.2 Engagement . 18
9.3 Compatibility of different installation coupler systems . 18
9.4 Compatibility with standard systems . 18
10 Protection against electric shock . 18
10.1 Degree of protection against ingress of solid foreign objects . 18
10.2 Access to live parts . 19
10.3 External parts . 19
11 Terminals, terminations and connectable conductors . 19
11.1 Terminals and terminations . 19
11.1.1 General . 19
11.1.2 Terminals of rewirable installation couplers . 19
11.1.3 Terminations of non-rewirable installation couplers . 20
11.2 Connectable conductors. 20
12 Construction . 20
12.1 Earth connection . 20
12.2 Locking against rotation . 21
12.3 Mechanical strength of contacts . 21
12.4 Housing of rewirable installation couplers . 21
IEC 61535:2019 © IEC 2019 – 3 –
12.5 Housing of non-rewirable installation couplers . 21
12.6 Dismantling and opening of rewirable installation couplers . 21
12.7 Earthing contact and earthing terminal . 22
12.8 Loose conductor strands . 22
12.8.1 General . 22
12.8.2 Strand test for rewirable installation couplers . 22
12.8.3 Strand test for non-rewirable installation couplers . 23
12.8.4 Strand test for non-rewirable moulded-on installation couplers . 23
12.9 Incorporation of electrical devices . 23
12.10 Retaining means . 23
12.11 Distribution blocks . 24
12.12 Shrouds . 24
12.13 Factory wiring . 24
12.14 Stress test . 24
12.14.1 General . 24
12.14.2 Stress test of rewirable installation couplers . 24
12.14.3 Stress test of non-rewirable installation couplers . 24
12.15 Separation of non-rewirable installation couplers . 25
13 Protection against harmful ingress of solid foreign objects and against harmful
ingress of water . 25
13.1 General . 25
13.2 Protection against harmful ingress of solid foreign objects . 25
13.3 Protection against harmful ingress of water . 25
14 Insulation resistance and electric strength . 25
14.1 General . 25
14.2 Insulation resistance . 26
14.3 Electric strength . 26
15 Construction of contacts . 27
15.1 Resiliency . 27
15.2 Resistance of connections . 27
15.3 Contact pressure . 27
16 Temperature rise . 27
17 Breaking capacity . 28
18 Forces necessary to disengage the parts of the installation coupler . 29
19 Cables and their connection . 29
19.1 Capability of being fitted . 29
19.2 Relief from pull, thrust and torsion . 30
19.3 Relief . 30
19.4 Capability to connect cables with different cross-sectional area . 30
19.5 Sharp edges . 33
20 Mechanical strength . 33
21 Resistance to heat and ageing. 34
21.1 Resistance to heat . 34
21.2 Dry heat storage . 34
21.3 Ball pressure test . 34
21.4 Ageing of elastomeric and thermoplastic material . 35
21.5 Current cycling test . 35
22 Screws, current-carrying parts and connections . 36
– 4 – IEC 61535:2019 © IEC 2019
22.1 Screws and nuts . 36
22.2 Screws and insulating material . 37
22.3 Screws and rivets for electrical and mechanical connections. 38
22.4 Metals of current-carrying parts . 38
23 Clearances, creepage distances and distances through solid insulation . 38
24 Resistance to abnormal heat and to tracking . 41
24.1 Resistance to abnormal heat . 41
24.2 Resistance to tracking . 43
25 Resistance to rusting . 43
Annex A (normative) Routine earth (PE) continuity tests . 45
Annex B (normative) Test circuits for temperature rise test . 46
Annex C (normative) Number of sets of test samples used for the tests and sequence
of tests for each set . 49
Annex D (informative) Guide to use . 50
D.1 General . 50
D.2 Applications . 50
D.3 Use of installation couplers . 50
Annex E (normative) Warning symbol used in DC applications . 52
Bibliography . 53
Figure 1 – Apparatus for testing the cable anchorage . 32
Figure 2 – Apparatus for measuring the distortion (example) . 33
Figure 3 – Ball-pressure apparatus . 35
Figure 4 – Explanation of "small part" . 43
Figure B.1 – 1P + N + PE installation couplers, including N (left figure), including PE
(right figure) . 46
Figure B.2 – 3P + N + PE installation couplers, 3 phases loaded (left figure), N and PE
loaded (right figure) . 46
Figure B.3 – 1P + N + PE distribution block, phase and N loaded . 47
Figure B.4 – 1P + N + PE distribution block, phase and PE loaded . 47
Figure B.5 – 3P + N + PE to 1P + N + PE distribution block, 3 phases loaded . 48
Figure B.6 – 3P + N + PE to 1P + N + PE distribution block, N and PE loaded . 48
Figure D.1 – Examples of use of installation couplers . 51
Figure E.1 – Symbol "DO NOT CONNECT OR DISCONNECT UNDER LOAD" . 52
Table 1 – Voltage rating for installation couplers in AC application . 14
Table 2 – Voltage rating for installation couplers in DC application . 14
Table 3 – Classes of installation couplers . 15
Table 4 – Test currents for installation couplers . 28
Table 5 – Forces to be applied to cable anchorages . 31
Table 6 – Torque applied for the tightening and loosening test . 37
Table 7 – Installation couplers intended for use in supply systems with a maximum
voltage to earth of 150 V AC, rated impulse voltage 2,5 kV . 38
Table 8 – Installation couplers intended for use in supply systems with a maximum
voltage to earth of 300 V AC, rated impulse voltage 4,0 kV . 39
IEC 61535:2019 © IEC 2019 – 5 –
Table 9 – Installation couplers intended for use in single-phase two-wire systems
50 V DC and single-phase three-wire systems 60 V DC, rated impulse voltage 0,8 kV . 39
Table 10 – Installation couplers intended for use in single-phase two-wire systems
120 V DC and single-phase three-wire systems 240 V DC, rated impulse voltage
2,5 kV . 40
Table 11 – Installation couplers intended for use in single-phase two-wire systems
220 V DC and single-phase three-wire systems 440 V DC, rated impulse voltage
4,0 kV . 41
Table C.1 – Sets of samples . 49
– 6 – IEC 61535:2019 © IEC 2019
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INSTALLATION COUPLERS INTENDED FOR PERMANENT
CONNECTION IN FIXED INSTALLATIONS
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC
Publication(s)"). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 61535 has been prepared by IEC technical committee 23:
Electrical accessories.
This second edition cancels and replaces the first edition published in 2009 and
Amendment 1:2012. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) enlargement of the scope to DC application;
b) addition of further requirements as regards DC application (marking, etc.), no additional
test procedures were deemed necessary; however some modifications were necessary in
the normative text;
c) changes and enhancement of the field of application of installation couplers into outdoor
applications;
d) addition of a suitable temperature range;
IEC 61535:2019 © IEC 2019 – 7 –
e) updating of the list of normative references, modified to undated references, where
possible.
The text of this International Standard is based on the following documents:
CDV Report on voting
23/792/CDV 23/848/RVC
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
In this standard, the following print types are used:
• requirements proper: in roman type;
• test specifications: in italic type;
• explanatory matter: in smaller roman type.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
– 8 – IEC 61535:2019 © IEC 2019
INTRODUCTION
AC and DC installation couplers according to this document may be used, for example, in
prefabricated buildings, commercial showrooms, installation cavities, such as suspended
floors and ceilings, in partition walls and in any similar applications, or cable tray systems,
cable ladder systems, cable ducting systems and cable trunking systems or in furniture
complying with IEC 60364-7-713.
This document may be used as a guide for installation couplers with additional contacts for
voltages other than mains voltages.
Particular requirements for installation couplers, for example, for use at higher ambient
temperatures, with higher mechanical durability (e.g. metal housings), with higher fire
resistance and for use in control circuits (e.g. SELV), are under consideration.
National rules can have requirements concerning the accessibility of installation couplers.
National rules can specify who is allowed to carry out the connection and disconnection of
installation couplers.
National rules can have requirements concerning installation couplers with metal conduits.
IEC 61535:2019 © IEC 2019 – 9 –
INSTALLATION COUPLERS INTENDED FOR PERMANENT
CONNECTION IN FIXED INSTALLATIONS
1 Scope
This document applies to two-wire, up to five-wire installation couplers, including earth, if
provided, with a rated voltage up to and including 500 V AC or DC and a rated connecting
capacity up to and including 10 mm for permanent connection in electrical installations.
Installation couplers with additional contacts for voltages other than mains voltages are
outside the scope of this document.
An installation coupler consists of an installation female connector and an installation male
connector for permanent connection not intended to be engaged or disengaged under load
nor to be engaged or disengaged other than during first installation or during reconfiguration
or maintenance of the wiring system in which installation couplers have been installed. This
means that installation couplers are only intended for infrequent use.
Installation couplers are not suitable for use in place of socket-outlet systems. Installation
couplers are not suitable for use in place of devices for connecting luminaires (DCLs)
according to IEC 61995 (all parts) or in place of luminaire supporting couplers (LSCs).
Installation couplers complying with this document are suitable for use at ambient
temperatures not normally exceeding +40 °C, but their average over a period does not exceed
+35 °C, with a lower limit of the ambient air temperature of −5 °C, either for indoor or outdoor
use.
NOTE 1 Additional tests for use in cold climates are under consideration.
NOTE 2 For other temperatures, necessary information can be given in the manufacturer's installation
instructions.
In locations where special conditions prevail, as in ships, vehicles and the like and in
hazardous locations, for example where explosions are liable to occur, special constructions
can be required.
NOTE 3 Installation couplers are intended to be installed by instructed or skilled persons.
2 Normative references
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.
IEC 60068-2-31:2008, Environmental testing – Part 2-31: Tests – Test Ec: Rough handling
shocks, primarily for equipment-type specimens
IEC 60112, Method for the determination of the proof and the comparative tracking indices of
solid insulating materials
IEC 60529:1989, Degrees of protection provided by enclosures (IP Code)
IEC 60529:1989/AMD1:1999
IEC 60529:1989/AMD2:2013
– 10 – IEC 61535:2019 © IEC 2019
IEC 60664-1:2007, Insulation coordination for equipment within low-voltage systems – Part 1:
Principles, requirements and tests
IEC 60695-2-11, Fire hazard testing – Part 2-11: Glowing/hot-wire based test methods –
Glow-wire flammability test method for end-products (GWEPT)
IEC 60998-2-3, Connecting devices for low-voltage circuits for household and similar
purposes – Part 2-3: Particular requirements for connecting devices as separate entities with
insulation-piercing clamping units
IEC 60999-1:1999, Connecting devices – Electrical copper conductors – Safety requirements
for screw-type and screwless-type clamping units – Part 1: General requirements and
2 2
particular requirements for clamping units for conductors from 0,2 mm up to 35 mm
(included)
IEC 61032:1997, Protection of persons and equipment by enclosures – Probes for verification
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
Where the terms "voltage" and "current" are used in this document, they are RMS values,
unless otherwise specified.
3.1
rated voltage
voltage assigned to the installation coupler by the manufacturer
3.2
rated current
maximum current assigned to the installation coupler by the manufacturer
Note 1 to entry: Rated current refers to the installation coupler itself and not to an electric circuit.
3.3
rated connecting capacity
cross-sectional area of the largest conductor(s) to be connected as stated by the
manufacturer of the installation coupler
3.4
permanent connection
connecting method in an installation which is only opened for maintenance or wiring system
re-configuration
Note 1 to entry: The expression "permanent connection" is to be understood as a connection which is maintained
as long as an installation exists.
3.5
installation coupler
connecting device consisting of an installation female connector and an installation male
connector provided with retaining means for permanent connection not intended to be
engaged or disengaged under load nor to be engaged or disengaged other than during first
IEC 61535:2019 © IEC 2019 – 11 –
installation, during maintenance of the wiring system or during re-configuration of the wiring
system
3.6
installation male connector
load side portion of an installation coupler which contains the male contacts
3.7
installation female connector
supply side portion of an installation coupler which contains the female contacts
3.8
installation coupler system
family of installation couplers consisting of one or more installation female connectors
compatible by mechanical coding features with one or more installation male connectors, with
the same ratings produced according to the specification of one manufacturer
Note 1 to entry: The meaning of one manufacturer is in this case of one and the same manufacturer.
3.9
wiring system
assembly made up of a cable or cables or busbars and the parts which secure and if
necessary enclose the cables or busbars
[SOURCE: IEC 60364-5-52:2009, 520.3.1, modified – "bare or insulated conductors" has
been replaced with "a cable".]
3.10
rewirable installation coupler
installation coupler so constructed that the cable can be replaced
3.11
non-rewirable installation coupler
installation coupler so constructed that it forms a complete unit with the cable after connection
and assembly by the manufacturer
Note 1 to entry: See also 12.14.
3.12
non-rewirable moulded-on installation coupler
non-rewirable installation coupler so constructed that the contacts, terminals or connections
and the attached cable ends are surrounded by insulating material manufactured by a
moulding process
3.13
non-rewirable non-moulded-on installation coupler
non-rewirable installation coupler so constructed that the contacts, terminals or connections
and the attached cable ends are surrounded by separate parts of insulating material
3.14
distribution block
device intended for branching of circuits
3.15
retaining means
arrangement by which an installation female connector and an installation male connector are
held in position when they are properly engaged and prevents unintentional disengagement
Note 1 to entry: The disengagement may be done by hand or by the use of a tool.
– 12 – IEC 61535:2019 © IEC 2019
3.16
cap
removable barrier to prevent ready accessibility to an unused installation female connector
3.17
routine test
test to which each device is subjected during and/or after manufacture to ascertain whether it
complies with certain criteria
3.18
type test
test of one or more devices made to a certain design to show that the design meets certain
requirements
3.19
readily accessible
accessibility to touch extending from any point on a surface where persons usually stand or
move about to the limits which a person can reach with the hand, in any direction without
assistance
Note 1 to entry: See IEC 60364-4-41:2005, Annex B.
3.20
terminal
part of an accessory to which a conductor is attached, providing a reusable connection
3.21
termination
part of an accessory to which a conductor is permanently attached
[SOURCE: IEC 60050-442:1998, 442-06-06]
4 General requirements
Installation couplers shall be so designed and constructed that, in normal use, their
performance is reliable and without danger to the user or damage to the surroundings.
Compliance is checked by carrying out all the relevant tests specified.
NOTE In the USA, these installation couplers are not permitted to be used where they will not be visible after
installation.
5 Conditions for tests
5.1 General
Tests shall be carried out to check compliance with the relevant requirements of this
document.
Only connectors (male and female) of one installation coupler system according to the
specification of one and the same manufacturer shall be mated together for carrying out the
test.
Tests are as follows:
– type tests shall be made on representative specimens of each type of installation coupler;
– routine tests shall be made on each installation coupler as required in this document.
IEC 61535:2019 © IEC 2019 – 13 –
Tests of 5.2 to 5.6 are applicable to type tests and 5.7 to routine tests.
NOTE In the UK, where installation couplers have more than 5 wires, they shall meet the requirements of
IEC 61535 as though they were included in the scope and shall be tested in such a way that all of the mains
voltage pins are subjected to the same level of testing.
5.2 Test conditions
Unless otherwise specified, the tests shall be carried out on specimens as delivered and
under conditions of normal use at an ambient temperature between 15 °C and 35 °C.
Where the value of the temperature is of importance, the test shall be carried out at
20 °C ± 5 °C.
5.3 Tests on non-rewirable installation couplers
For testing purposes, non-rewirable installation couplers shall be provided with cables of at
least 1 m length unless otherwise specified in this document.
5.4 Order of tests
...
제목: EN IEC 61535:2019 - 고정 설치용 영구 연결을 위한 설치 커플러 내용: IEC 61535:2019는 이전 판과 기술적 내용의 변경 사항을 보여주는 Redline 버전을 포함한 국제 표준을 담고있는 IEC 61535:2019 RLV로 사용할 수 있습니다. IEC 61535:2019는 정격 전압이 500V 이하이며 10mm² 이하의 정격 연결 용량을 가진 2선에서 5선까지의 설치 커플러에 적용됩니다. 만약 제공되는 경우 어는에 대해서도 해당됩니다. 메인 전압 외의 전압을 가진 추가적인 접점을 가진 설치 커플러는 이 문서의 범위에서 제외됩니다. 이번 두 번째 판은 2009년에 출판된 첫 번째 판과 2012년 개정안을 취소하고 대체합니다. 이번 판은 기술적 개정을 포함하고 있습니다. 다음은 이전 판과 비교하여 이번 판에서의 주요 기술적 변경 사항입니다: - DC 적용 범위의 확대 - DC 응용에 관한 추가 요구 사항 (마킹 등), 추가적인 시험 절차는 필요하지 않았으나 규정 텍스트에 일부 수정이 필요했습니다. - 설치 커플러를 실외 응용에 대한 변경 및 향상 - 적합한 온도 범위의 추가 - 참조 규격 목록의 업데이트, 가능한 경우 날짜 없는 참조로 수정됨.
記事のタイトル：EN IEC 61535:2019 - 固定設置向け永久接続用インストールカプラー 記事の内容：IEC 61535:2019は、国際規格とそのテクニカルコンテンツの変更点を示すRedlineバージョンを含んでいるIEC 61535:2019 RLVとして利用できます。IEC 61535:2019は、定格電圧が500V ACまたはDC以下で、定格接続容量が10mm²以下の2-5本のワイヤを含む設置カプラーに適用されます。地線がある場合も対象です。本文書の範囲外では、メイン電圧以外の電圧を持つ追加の接点を持つ設置カプラーは対象外です。この2版は、2009年に発行された初版と、改訂1:2012を取り消して置き換えます。この版は技術的な改訂を行っており、以下の主な技術的な変更があります：- DC適用範囲の拡大- DC適用に関する追加要件（マーキングなど）。追加の試験手順は必要ないが、規定テキストに一部の修正が必要でした。-設置カプラーの屋外アプリケーションへの変更と強化- 適切な温度範囲の追加-参考規格のリストの更新、可能な限り日付を付けない参照に変更します。
The article discusses the EN IEC 61535:2019 standard, which applies to installation couplers used in fixed electrical installations. This standard covers couplers with two to five wires, including the earth wire, with a rated voltage of up to 500 V AC or DC and a rated connecting capacity of up to 10 mm². The second edition of the standard includes changes such as the inclusion of DC application, additional requirements for DC marking, and updates to the field of application for outdoor use. It also updates the list of normative references. This edition replaces the previous edition published in 2009 and its amendment.
글 제목: EN IEC 61535:2019 - 고정 설치에 대한 영구 연결을 위한 설치 커플러 글 내용: IEC 61535:2019은 이전 판과 기술적 내용의 변경 사항을 나타내는 Redline 버전인 IEC 61535:2019 RLV을 포함한 국제 표준으로 사용 가능하다. IEC 61535:2019은 지속적인 전기 설치에서 영구 연결을 위한 최대 다선까지의 설치 커플러를 대상으로 하며, 최대 500V AC 또는 DC의 정격 전압과 최대 10mm2의 정격 연결 용량을 가진다. 본 문서에는 소금약 전압 외에도 부가적인 접촉을 가진 설치 커플러는 포함되지 않는다. 이번 개정판은 2009년에 발표된 초판과 2012년 개정안을 대체한다. 본 판에는 다음과 같은 중요한 기술적 변경 사항이 포함되어 있다: - DC 응용 분야를 포함하기 위한 범위 확대; - DC 응용에 관한 추가 요구 사항(표시 등)의 추가, 추가적인 시험 절차가 필요하지 않았지만 일부 규정 텍스트 수정이 필요했다; - 설치 커플러의 야외 응용 분야의 변경 및 개선; - 적합한 온도 범위의 추가; - 참고용 참조 목록의 업데이트, 가능한 한 일자 없는 참조로 수정되었다.
The article discusses EN IEC 61535:2019, which is an international standard for installation couplers intended for permanent connection in fixed electrical installations. The standard applies to two to five-wire couplers with a rated voltage up to 500 V AC or DC and a rated connecting capacity up to 10 mm2. This second edition of the standard replaces the previous edition published in 2009 and includes technical revisions. Some of the changes include the inclusion of DC applications, additional requirements for DC application marking, changes to the field of application for outdoor use, and an updated list of normative references.
記事のタイトル：EN IEC 61535:2019 -- 固定設置のための設置カプラー 記事の内容：IEC 61535:2019は、以前のバージョンとの技術的内容の変更点を示すRedlineバージョンであるIEC 61535:2019 RLVを含む国際規格で利用可能です。IEC 61535:2019は、電気設備の永久的な接続のための2本から5本のワイヤーを含む設置カプラーに適用され、定格電圧は500V ACまたはDCまで、定格接続能力は10mm2までです。本文書は、主要電圧以外の電圧に対応するための追加の接点を持つ設置カプラーには適用されません。第2版は、2009年に発行された初版と改正1:2012を取り消し、代わりに発行されました。この版には、以下の主な技術的変更が含まれています：- DC応用のための範囲の拡大：- DC応用に関する追加要件（マーキングなど）の追加。追加の試験手順は不要でしたが、いくつかの規定テキストの変更が必要でした。- 屋外応用における設置カプラーの適用範囲の変更と強化- 適切な温度範囲の追加- 正規の参照リストの更新。可能な限り日付を指定しない参照に修正されました。
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