kSIST FprEN IEC 61535:2023
(Main)Installation couplers intended for permanent connection in fixed installations
Installation couplers intended for permanent connection in fixed installations
IEC 61535:2023 is available as IEC 61535:2023 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61535:2023 applies to two-wire, up to five-wire installation couplers, with or without earthing contact, if provided, with a rated voltage up to and including 500 V AC or 500 V DC and a rated connecting capacity up to and including 10 mm2 and a rated current not exceeding 32 A 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 third edition cancels and replaces the second edition published in 2019. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) inclusion of a definition for "live part" based on IEC 61140;
b) additional optional cross medial documentation, e.g. marking with QR-Code;
c) corrections on the consistent use of the expressions "earth", "earthing contact", "earthing circuit" and "protective earth(ing)" throughout the document;
d) addition of missing compliance provisions to 13.3;
e) update of Figure D.1 of Annex D;
f) inclusion of new Annex F for cold climate requirements.
Installationssteckverbinder für dauernde Verbindung in festen Installationen
Coupleurs d'installation pour connexions permanentes dans les installations fixes
IEC 61535:2023 est disponible sous forme de IEC 61535:2023 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.
L'IEC 61535:2023 s'applique aux coupleurs d'installation qui comportent deux à cinq conducteurs, avec ou sans contact de terre (le cas échéant), de tension continue ou alternative assignée jusqu'à 500 V inclus et de capacité assignée de connexion jusqu'à 10 mm2 inclus, avec un courant assigné qui ne dépasse pas 32 A, 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 troisième édition annule et remplace la deuxième édition parue en 2019. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) inclusion d'une définition issue de l'IEC 61140 pour "partie active";
b) documentation facultative supplémentaire disponible sur plusieurs supports, par exemple marquage avec QR code;
c) corrections relatives à l'utilisation cohérente des expressions "terre", "contact de terre", "circuit de terre" et "(mise à la) terre de protection" dans l'ensemble du document;
d) ajout de dispositions de conformité manquantes au 13.3;
e) mise à jour de la Figure D.1 de l'Annexe D;
f) ajout d'une nouvelle Annexe F pour les exigences relatives aux climats froids.
Inštalacijske spojke za trajni spoj v fiksnih napeljavah (inštalacijah)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN IEC 61535:2022
01-marec-2022
Inštalacijske spojke za trajni spoj v fiksnih napeljavah (inštalacijah)
Installation couplers intended for permanent connection in fixed installations
Installationssteckverbinder für dauernde Verbindung in festen Installationen
Coupleurs d'installation pour connexions permanentes dans les installations fixes
Ta slovenski standard je istoveten z: prEN IEC 61535:2022
ICS:
29.120.99 Druga električna dodatna Other electrical accessories
oprema
oSIST prEN IEC 61535:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN IEC 61535:2022
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oSIST prEN IEC 61535:2022
23/991/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 61535 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2022-01-07 2022-04-01
SUPERSEDES DOCUMENTS:
23/964/CD, 23/971A/CC
IEC TC 23 : ELECTRICAL ACCESSORIES
SECRETARIAT: SECRETARY:
Belgium Mr Wim De Kesel
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:
Other TC/SCs are requested to indicate their interest, if
any, in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
TITLE:
Installation couplers intended for permanent connection in fixed installations
PROPOSED STABILITY DATE: 2027
NOTE FROM TC/SC OFFICERS:
The comments to this CDV will be discussed during the next meeting of TC 23 MT6 which is scheduled
for May 3rd/4th 2022.
Copyright © 2021 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to
download this electronic file, to make a copy and to print out the content for the sole purpose of preparing National
Committee positions. You may not copy or "mirror" the file or printed version of the document, or any part of it,
for any other purpose without permission in writing from IEC.
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1 CONTENTS
2 CONTENTS . 2
3 FOREWORD . 6
4 INTRODUCTION . 8
5 1 Scope . 9
6 2 Normative references. 9
7 3 Terms and definitions . 10
8 4 General requirements . 12
9 5 Conditions for tests . 12
10 5.1 General . 12
11 5.2 Test conditions . 13
12 5.3 Tests on non-rewirable installation couplers . 13
13 5.4 Order of tests . 13
14 5.5 Specification of tests . 13
15 5.6 Compliance requirements . 13
16 5.7 Routine tests for non-rewirable installation couplers . 13
17 6 Ratings . 14
18 6.1 Rated voltage . 14
19 6.2 Rated current . 14
20 6.3 Rated connecting capacity . 15
21 6.4 Tests . 15
22 7 Classification . 15
23 8 Marking and documentation . 16
24 8.1 General . 16
25 8.2 Use of symbols or letters . 16
26 8.3 Markings . 16
27 8.4 Documentation . 17
28 9 Dangerous compatibility . 18
29 9.1 Unintended or improper connection . 18
30 9.2 Engagement . 18
31 9.3 Compatibility of different installation coupler systems . 18
32 9.4 Compatibility with standard systems . 18
33 10 Protection against electric shock . 19
34 10.1 Degree of protection against ingress of solid foreign objects . 19
35 10.2 Access to live parts . 19
36 10.3 External parts . 19
37 11 Terminals, terminations and connectable conductors . 19
38 11.1 Terminals and terminations . 19
39 11.1.1 General . 19
40 11.1.2 Terminals of rewirable installation couplers . 20
41 11.1.3 Terminations of non-rewirable installation couplers . 20
42 11.2 Connectable conductors . 20
43 12 Construction . 21
44 12.1 Connection between earthing contacts . 21
45 12.2 Locking against rotation . 21
46 12.3 Mechanical strength of contacts . 21
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47 12.4 Housing of rewirable installation couplers . 21
48 12.5 Housing of non-rewirable installation couplers . 22
49 12.6 Dismantling and opening of rewirable installation couplers . 22
50 12.7 Earthing contact and earthing terminal . 22
51 12.8 Loose conductor strands . 22
52 12.8.1 General . 22
53 12.8.2 Strand test for rewirable installation couplers . 23
54 12.8.3 Strand test for non-rewirable non-molded-on installation couplers . 23
55 12.8.4 Strand test for non-rewirable moulded-on installation couplers . 23
56 12.9 Incorporation of electrical devices . 23
57 12.10 Retaining means . 24
58 12.11 Distribution blocks . 24
59 12.12 Shrouds . 24
60 12.13 Factory wiring . 24
61 12.14 Stress test . 24
62 12.14.1 General . 24
63 12.14.2 Stress test of rewirable installation couplers . 24
64 12.14.3 Stress test of non-rewirable installation couplers . 25
65 12.15 Separation of non-rewirable installation couplers . 25
66 13 Protection against harmful ingress of solid foreign objects and against harmful
67 ingress of water . 25
68 13.1 General . 25
69 13.2 Protection against harmful ingress of solid foreign objects. 25
70 13.3 Protection against harmful ingress of water . 25
71 14 Insulation resistance and electric strength . 26
72 14.1 General . 26
73 14.2 Insulation resistance . 26
74 14.3 Electric strength . 26
75 15 Construction of contacts . 27
76 15.1 Resiliency . 27
77 15.2 Resistance of connections . 27
78 15.3 Contact pressure . 28
79 16 Temperature rise . 28
80 17 Breaking capacity . 29
81 18 Forces necessary to disengage the parts of the installation coupler . 29
82 19 Cables and their connection . 30
83 19.1 Capability of being fitted . 30
84 19.2 Relief from pull, thrust and torsion . 30
85 19.3 Cable anchorage . 30
86 19.4 Capability to connect cables with different cross-sectional area . 30
87 19.5 Sharp edges . 33
88 20 Mechanical strength . 33
89 21 Resistance to heat and ageing . 34
90 21.1 Resistance to heat . 34
91 21.2 Dry heat storage . 34
92 21.3 Ball pressure test . 34
93 21.4 Ageing of elastomeric and thermoplastic material . 35
94 21.5 Current cycling test . 35
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95 22 Screws, current-carrying parts and connections . 36
96 22.1 Screws and nuts . 36
97 22.2 Screws and insulating material . 37
98 22.3 Screws and rivets for electrical and mechanical connections . 38
99 22.4 Metals of current-carrying parts . 38
100 23 Clearances, creepage distances and distances through solid insulation . 38
101 24 Resistance to abnormal heat and to tracking . 41
102 24.1 Resistance to abnormal heat . 41
103 24.2 Resistance to tracking . 43
104 25 Resistance to rusting . 43
105 (normative) Routine protective earth continuity tests . 45
106 (normative) Test circuits for temperature rise test . 46
107 (normative) Number of sets of test samples used for the tests and sequence
108 of tests for each set . 49
109 Annex D (informative) Guide to use . 50
110 D.1 General . 50
111 D.2 Applications . 50
112 D.3 Use of installation couplers . 50
113 (normative) Warning symbol used in DC applications . 53
114 Bibliography . 54
115
116 Figure 1 – Apparatus for testing the cable anchorage . 32
117 Figure 2 – Apparatus for measuring the distortion (example) . 33
118 Figure 3 – Ball-pressure apparatus . 35
119 Figure 4 – Explanation of "small part" . 43
120 Figure B.1 – 1P + N + PE installation couplers, including N . 46
121 Figure B.2 – 1P + N + PE installation couplers, including PE . 46
122 Figure B.3 – 3P + N + PE installation couplers, 3 phases loaded . 46
123 Figure B.4 – 3P + N + PE installation couplers, N and PE loaded . 46
124 Figure B.5 – 1P + N + PE distribution block, phase and N loaded . 47
125 Figure B.6 – 1P + N + PE distribution block, phase and PE loaded . 47
126 Figure B.7 – 3P + N + PE to 1P + N + PE distribution block, 3 phases loaded . 48
127 Figure B.8 – 3P + N + PE to 1P + N + PE distribution block, N and PE loaded . 48
128 Figure D.1 – Examples of use of installation couplers . 51
129 Figure D.2 – Magnified area of figure D.1 to show installation couplers . 52
130 Figure E.1 – Symbol "DO NOT CONNECT OR DISCONNECT UNDER LOAD" . 53
131
132 Table 1 – Voltage rating for installation couplers in AC application . 14
133 Table 2 – Voltage rating for installation couplers in DC application . 14
134 Table 3 – Classification of installation couplers . 15
135 Table 4 – Test currents for installation couplers . 28
136 Table 5 – Forces to be applied to cable anchorages . 31
137 Table 6 – Torque applied for the tightening and loosening test . 37
138 Table 7 – Installation couplers intended for use in supply systems with a maximum
139 voltage to earth of 150 V AC, rated impulse voltage 2,5 kV . 38
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140 Table 8 – Installation couplers intended for use in supply systems with a maximum
141 voltage to earth of 300 V AC, rated impulse voltage 4,0 kV . 39
142 Table 9 – Installation couplers intended for use in single-phase two-wire systems
143 50 V DC and single-phase three-wire systems 60 V DC, rated impulse voltage 0,8 kV . 39
144 Table 10 – Installation couplers intended for use in single-phase two-wire systems
145 120 V DC and single-phase three-wire systems 240 V DC, rated impulse voltage
146 2,5 kV . 40
147 Table 11 – Installation couplers intended for use in single-phase two-wire systems
148 220 V DC and single-phase three-wire systems 440 V DC, rated impulse voltage
149 4,0 kV . 41
150 Table C.1 – Sets of samples . 49
151
152
153
154
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155 INTERNATIONAL ELECTROTECHNICAL COMMISSION
156 ____________
157
158 INSTALLATION COUPLERS INTENDED FOR PERMANENT
159 CONNECTION IN FIXED INSTALLATIONS
160
161 FOREWORD
162 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
163 all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
164 co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
165 in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
166 Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). Their
167 preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
168 may participate in this preparatory work. International, governmental and non-governmental organizations liaising
169 with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
170 Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
171 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
172 consensus of opinion on the relevant subjects since each technical committee has representation from all
173 interested IEC National Committees.
174 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
175 Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
176 Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
177 misinterpretation by any end user.
178 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
179 transparently to the maximum extent possible in their national and regional publications. Any divergence between
180 any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
181 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
182 assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
183 services carried out by independent certification bodies.
184 6) All users should ensure that they have the latest edition of this publication.
185 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
186 members of its technical committees and IEC National Committees for any personal injury, property damage or
187 other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
188 expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
189 Publications.
190 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
191 indispensable for the correct application of this publication.
192 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
193 rights. IEC shall not be held responsible for identifying any or all such patent rights.
194 International Standard IEC 61535 has been prepared by IEC technical committee 23: Electrical
195 accessories.
196 This third edition cancels and replaces the second edition published in 2019. This edition
197 constitutes a technical revision.
198 This edition includes the following significant technical changes with respect to the previous
199 edition:
200 a) Inclusion of definition for “live part” based on IEC 61140;
201 b) Additional optional marking with QR-Code;
202 c) Corrections on the consistent use of the expressions “earth”, “earth contact”, “earthing
203 circuit” and “protective earth(ing)” throughout the document;
204 d) Addition of missing compliance clause to clause 13.3;
205 e) Update of figure D.1 of Annex D;
206 f) Editorial corrections and alignments throughout the document.
207 The text of this International Standard is based on the following documents:
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CDV Report on voting
… …
208
209 Full information on the voting for the approval of this International Standard can be found in the
210 report on voting indicated in the above table.
211 This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
212 In this standard, the following print types are used:
213 • requirements proper: in roman type;
214 • test specifications: in italic type;
215 • explanatory matter: in smaller roman type.
216 The committee has decided that the contents of this document will remain unchanged until the
217 stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
218 the specific document. At this date, the document will be
219 • reconfirmed,
220 • withdrawn,
221 • replaced by a revised edition, or
222 • amended.
223
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224 INTRODUCTION
225 AC and DC installation couplers according to this document may be used, for example, in
226 prefabricated buildings, commercial showrooms, installation cavities, such as suspended floors
227 and ceilings, in partition walls and in any similar applications, or cable tray systems, cable
228 ladder systems, cable ducting systems and cable trunking systems or in furniture complying
229 with IEC 60364-7-713.
230 This document may be used as a guide for installation couplers with additional contacts for
231 voltages other than mains voltages.
232 Particular requirements for installation couplers, for example, for use at higher ambient
233 temperatures, with higher mechanical durability (e.g. metal housings), with higher fire
234 resistance and for use in control circuits (e.g. SELV), are under consideration.
235 National rules can have requirements concerning the accessibility of installation couplers.
236 National rules can specify who is allowed to carry out the connection and disconnection of
237 installation couplers.
238 National rules can have requirements concerning installation couplers with metal conduits.
239
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240 INSTALLATION COUPLERS INTENDED FOR PERMANENT
241 CONNECTION IN FIXED INSTALLATIONS
242
243
244
245 1 Scope
246 This document applies to two-wire, up to five-wire installation couplers, with or without earthing
247 contact, if provided, with a rated voltage up to and including 500 V AC or DC and a rated
2
248 connecting capacity up to and including 10 mm and a rated current not exceeding 32 A for
249 permanent connection in electrical installations. Installation couplers with additional contacts
250 for voltages other than mains voltages are outside the scope of this document.
251 An installation coupler consists of an installation female connector and an installation male
252 connector for permanent connection not intended to be engaged or disengaged under load nor
253 to be engaged or disengaged other than during first installation or during reconfiguration or
254 maintenance of the wiring system in which installation couplers have been installed. This means
255 that installation couplers are only intended for infrequent use.
256 Installation couplers are not suitable for use in place of socket-outlet systems. Installation
257 couplers are not suitable for use in place of devices for connecting luminaires (DCLs) according
258 to IEC 61995 (all parts) or in place of luminaire supporting couplers (LSCs).
259 Installation couplers complying with this document are suitable for use at ambient temperatures
260 not normally exceeding +40 °C, but their average over a period of 24 h does not exceed +35 °C,
261 with a lower limit of the ambient air temperature of −5 °C, either for indoor or outdoor use.
262 NOTE 1 Additional tests for use in cold climates are under consideration.
263 NOTE 2 For other temperatures, necessary information can be given in the manufacturer's installation instructions.
264 In locations where special conditions prevail, as in ships, vehicles and the like and in hazardous
265 locations, for example where explosions are liable to occur, special constructions can be
266 required.
267 NOTE 3 Installation couplers are intended to be installed by instructed or skilled persons.
268 NOTE 4 As a guide to use installation coupl
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