Cable management - Cable tray systems and cable ladder systems

This International Standard specifies requirements and tests for cable tray systems and cable ladder systems intended for the support and accommodation of cables and possibly other electrical equipment in electrical and/or communication systems installations. Where necessary, cable tray systems and cable ladder systems may be used for the division or arrangement of cables into groups.

Führungssysteme für Kabel und Leitungen - Kabelträgersysteme für elektrische Installationen

Systèmes de câblage - Systèmes de chemin de câbles et systèmes d'échelle à câbles

Cette Norme internationale spécifie les exigences et les essais pour les systèmes de chemin de câbles et les systèmes d'échelle à câbles prévus pour le support, le logement des câbles et éventuellement d'autres équipements électriques dans des installations électriques et/ou des systèmes de communication. Si nécessaire, les systèmes de chemin de câbles et les systèmes d'échelle à câbles peuvent être utilisés pour la séparation ou le regroupement de câbles.

Urejanje okablenja – Sistemi kabelskih polic in kabelskih lestvic (IEC 61537:2006)

Ta mednarodni standard je osredotočen na zahteve in preskuse za sisteme kabelskih polic in kabelskih lestev namenjenih za nošenje in polaganje kablov in morda tudi druge električne opreme v električnih in/ali komunikacijskih sistemih inštalacij. Kjer je potrebno so lahko sistemi kabelskih polic in kabelskih lestvic uporabljeni za ločitev ali razporeditev kablov v skupine. Ta standard se ne nanaša na cevne sisteme, sisteme kabelskih korit in kabelskih kanalov ali kakšne druge prenašalce toka.

General Information

Status
Published
Publication Date
04-Jan-2007
Drafting Committee
Parallel Committee
Current Stage
6060 - Document made available
Due Date
05-Jan-2007
Completion Date
05-Jan-2007

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SLOVENSKI SIST EN 61537:2007
STANDARD
marec 2007
Urejanje okablenja – Sistemi kabelskih polic in kabelskih lestvic (IEC
61537:2006)
Cable management - Cable tray systems and cable ladder systems (IEC
61537:2006)
ICS 29.120.10 Referenčna številka
SIST EN 61537:2007(en)

© Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

---------------------- Page: 1 ----------------------
EUROPEAN STANDARD
EN 61537
NORME EUROPÉENNE
January 2007
EUROPÄISCHE NORM
ICS 29.120.10 Supersedes EN 61537:2001
English version
Cable management -
Cable tray systems and cable ladder systems
(IEC 61537:2006)
Systèmes de câblage - Führungssysteme für Kabel
Systèmes de chemin de câbles und Leitungen -
et systèmes d'échelle à câbles Kabelträgersysteme
(CEI 61537:2006) für elektrische Installationen
(IEC 61537:2006)

This European Standard was approved by CENELEC on 2006-12-01. 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 Central Secretariat 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 Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech

Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,

Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 61537:2007 E
---------------------- Page: 2 ----------------------
EN 61537:2007 - 2 -
Foreword

The text of document 23A/513/FDIS, future edition 2 of IEC 61537, prepared by SC 23A, Cable

management systems, of IEC TC 23, Electrical accessories, was submitted to the IEC-CENELEC parallel

vote and was approved by CENELEC as EN 61537 on 2006-12-01.
This European Standard supersedes EN 61537:2001.

It incorporates additional tables, annexes and figures as well as revisions to such that appeared in

EN 61537:2001. In places, the text has been substantially altered including:
– the classification system,
– tests for resistance against corrosion,
– re-written SWL test procedure,
– re-written section on electrical non-conductivity.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
(dop) 2007-09-01
national standard or by endorsement
– latest date by which the national standards conflicting
(dow) 2009-12-01
with the EN have to be withdrawn
Annexes ZA and ZB have been added by CENELEC.
__________
Endorsement notice

The text of the International Standard IEC 61537:2006 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 60093 NOTE Harmonized as HD 429 S1:1983 (not modified).
ISO 14713 NOTE Harmonized as EN ISO 14713:1999 (not modified).
__________
---------------------- Page: 3 ----------------------
- 3 - EN 61537:2007
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application 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 When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD

applies.
Publication Year Title EN/HD Year
IEC 60068-2-75 1997 Environmental testing EN 60068-2-75 1997
Part 2-75: Tests - Test Eh: Hammer tests
IEC 60364-5-52 2001 Electrical installations of buildings - -
Part 5-52: Selection and erection of electrical
equipment - Wiring systems
IEC 60695-2-11 2000 Fire hazard testing EN 60695-2-11 2001
Part 2-11: Glowing/hot-wire based test
methods - Glow-wire flammability test method
for end-products
IEC 60695-11-2 2003 Fire hazard testing EN 60695-11-2 2003
Part 11-2: Test flames - 1 kW nominal pre-
mixed flame - Apparatus, confirmatory test
arrangement and guidance
ISO 1461 1999 Hot dip galvanized coatings on fabricated EN ISO 1461 1999
iron and steel articles - Specifications and test
methods
ISO 2178 1982 Non-magnetic coatings on magnetic EN ISO 2178 1995
substrates - Measurement of coating
thickness - Magnetic method
ISO 2808 1997 Paints and varnishes - Determination of film EN ISO 2808 1999
thickness
ISO 4046 Series Paper, board, pulp and related terms - - -
Vocabulary
1990 Corrosion tests in artificial atmospheres - Salt - -
ISO 9227
spray tests
ISO 10289 1999 Methods for corrosion testing of metallic and EN ISO 10289 2001
other inorganic coatings on metallic
substrates - Rating of test specimens and
manufactured articles subjected to corrosion
tests
ISO 9227 is superseded by ISO 9227:2006.
---------------------- Page: 4 ----------------------
EN 61537:2007 - 4 -
Annex ZB
(informative)
A-deviations

A-deviation: National deviation due to regulations, the alteration of which is for the time being outside the

competence of the CENELEC member.
This European Standard falls under Directive 73/23/EEC.

NOTE (from CEN/CENELEC IR Part 2:2006, 2.17) Where standards fall under EC Directives, it is the view of the Commission of

the European Communities (OJ No C 59, 1982-03-09) that the effect of the decision of the Court of Justice in case 815/79

Cremonini/Vrankovich (European Court Reports 1980, p. 3583) is that compliance with A-deviations is no longer mandatory and that

the free movement of products complying with such a standard should not be restricted except under the safeguard procedure

provided for in the relevant Directive.

A-deviations in an EFTA-country are valid instead of the relevant provisions of the European Standard in

that country until they have been removed.
Clause Deviation

6.2.1 France (Decree from Equipment and Accommodation Minister for low voltage installations

dated 22 October 1969)
Classification not allowed.

Annex C France (Decree from Equipment and Accommodation Minister for low voltage installations

dated 22 October 1969)

The use of cable tray systems and cable ladder systems as a PE conductor is not allowed.

__________
---------------------- Page: 5 ----------------------
NORME CEI
INTERNATIONALE
IEC
61537
INTERNATIONAL
Deuxième édition
STANDARD
Second edition
2006-10
Systèmes de câblage –
Systèmes de chemin de câbles
et systèmes d’échelle à câbles
Cable management –
Cable tray systems and
cable ladder systems
© IEC 2006 Droits de reproduction réservés ⎯ Copyright - all rights reserved

Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in any

utilisée sous quelque forme que ce soit et par aucun procédé, form or by any means, electronic or mechanical, including

électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from

microfilms, sans l'accord écrit de l'éditeur. the publisher.

International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland

Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch

CODE PRIX
PRICE CODE
Commission Electrotechnique Internationale
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
Pour prix, voir catalogue en vigueur
For price, see current catalogue
---------------------- Page: 6 ----------------------
61537 © IEC:2006 – 3 –
CONTENTS

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

1 Scope.............................................................................................................................13

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

3 Terms and definitions .....................................................................................................15

4 General requirements .....................................................................................................19

5 General conditions for tests ............................................................................................21

6 Classification ..................................................................................................................23

7 Marking and documentation ............................................................................................29

8 Dimensions.....................................................................................................................31

9 Construction ...................................................................................................................33

10 Mechanical properties.....................................................................................................35

11 Electrical properties ........................................................................................................59

12 Thermal properties .........................................................................................................63

13 Fire hazards ...................................................................................................................63

14 External influences .........................................................................................................67

15 Electromagnetic compatibility (EMC) ...............................................................................71

Annex A (informative) Sketches of typical cable tray lengths and cable ladder lengths ........ 107

Annex B (informative) Sketches of typical support devices.................................................. 109

Annex C (informative) Protective earth (PE) function .......................................................... 113

Annex D (normative) Methods of applying and distributing a UDL for SWL tests using

load distribution plates ........................................................................................................ 115

Annex E (informative) Typical methods of applying a UDL for SWL tests............................. 131

Annex F (informative) Example for the determination of TDF .............................................. 135

Annex G (informative) Example for clarification of allowed creep ........................................ 139

Annex H (informative) Information for a safe installation of pendants with cantilever

brackets.............................................................................................................................. 141

Annex I (informative) Summary of compliance checks ........................................................ 145

Annex J (normative) Compliance checks to be carried out for cable tray systems and

cable ladder systems already complying with IEC 61537:2001 ............................................. 149

Annex K (informative) Environmental categories and corrosion rates for zinc only

galvanising.......................................................................................................................... 153

Annex L (informative) Illustrative flow chart for the SWL tests............................................. 155

Bibliography ........................................................................................................................ 161

Figure 1 – Safe working load test − General arrangement......................................................73

Figure 2 – Safe working load test types I, II and III (see 10.3.1 to 10.3.3)...............................77

Figure 3 – Safe working load test IV (see 10.3.4)...................................................................79

Figure 4 – Safe working load for single span test (see 10.4) ..................................................79

---------------------- Page: 7 ----------------------
61537 © IEC:2006 – 5 –

Figure 5 – Safe working load test for fittings ..........................................................................85

Figure 6 – Test set-up for cantilever brackets ........................................................................91

Figure 7 – Test set-up for pendants.......................................................................................93

Figure 8 – Impact test stroke arrangement ............................................................................95

Figure 9 – Test set-up for electrical continuity........................................................................97

Figure 10 – Arrangement for the flame test............................................................................99

Figure 11 – Enclosure for the flame test .............................................................................. 101

Figure 12 – Load and temperature diagrams with respect to time for test 10.2.1.3................ 103

Figure 13 – Typical arrangement of surface resistivity test ................................................... 105

Figure A.1 – Solid bottom cable tray lengths ........................................................................ 107

Figure A.2 – Perforated cable tray lengths ........................................................................... 107

Figure A.3 – Mesh cable tray lengths................................................................................... 107

Figure A.4 – Cable ladder lengths........................................................................................ 107

Figure B.1 – Cantilever brackets.......................................................................................... 109

Figure B.2 – Pendants......................................................................................................... 111

Figure B.3 – Fixing brackets................................................................................................ 111

Figure D.1 – Examples of distribution load points across the width....................................... 115

Figure D.2 – Typical arrangement of load distribution plates ................................................ 117

Figure D.3 – Example of equispaced point loads along the length ........................................ 119

Figure D.4 – Examples of test load distribution on cable ladder lengths................................ 121

Figure D.5 – n rungs............................................................................................................ 123

Figure D. 6 – Example of loading on three rungs ................................................................. 125

Figure D.7 – Two rungs ....................................................................................................... 127

Figure D.8 – One rung......................................................................................................... 127

Figure D.9 – Cantilever with extension................................................................................. 129

Figure E.1 – Point loads applied through a mechanical linkage (testing upside down)........... 131

Figure E.2 – Point loads applied individually ........................................................................ 133

Figure E.3 – Block loads ..................................................................................................... 133

Figure G.1 – Example for clarification of allowed creep........................................................ 139

Figure H.1 – Forces on pendant and cantilever bracket........................................................ 141

Figure H.2 – Illustration of the safe area.............................................................................. 143

Table 1 – classification for resistance against corrosion.........................................................25

Table 2 – Minimum temperature classification .......................................................................25

Table 3 – Maximum temperature classification ......................................................................27

Table 4 – Perforation base area classification........................................................................27

Table 5 – Free base area classification .................................................................................27

Table 6 – Impact test values..................................................................................................59

Table 7 – System component compliance and classification for resistance against

corrosion...............................................................................................................................67

Table 8 – Zinc coating thickness of reference materials .........................................................69

---------------------- Page: 8 ----------------------
61537 © IEC:2006 – 7 –

Table 9 – Salt spray test duration ..........................................................................................71

Table D.1 – Number of point loads across the width ............................................................ 115

Table D.2 – Number of point loads along the length............................................................. 117

Table F.1 – Manufacturer’s declared sizes........................................................................... 135

Table F.2 – Cable tray length, 100 mm wide ........................................................................ 135

Table F.3 – Cable tray, 400 mm wide .................................................................................. 137

Table I.1 – Summary of compliance checks ......................................................................... 145

Table J.1 – Required compliance checks............................................................................. 149

Table K.1 – Environmental categories and corrosion rates for zinc only galvanising ............. 153

---------------------- Page: 9 ----------------------
61537 © IEC:2006 – 9 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
CABLE MANAGEMENT −
CABLE TRAY SYSTEMS AND CABLE LADDER SYSTEMS
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 provides no marking procedure to indicate its approval and cannot be rendered responsible for any

equipment declared to be in conformity with an IEC Publication.

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 61537 has been prepared by subcommittee 23A: Cable manage-

ment systems, of IEC technical committee 23: Electrical accessories.

This second edition cancels and replaces the first edition published in 2001. This edition

constitutes a technical revision. It incorporates additional tables, annexes and figures as well

as revisions to such that appeared in the first edition. In places, the text has been substantially

altered including:
– the classification system,
– tests for resistance against corrosion,
– re-written SWL test procedure,
– re-written section on electrical non-conductivity.
---------------------- Page: 10 ----------------------
61537 © IEC:2006 – 11 –
The text of this standard is based on the following documents:
FDIS Report on voting
23A/513/FDIS 23A/524/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

The following differences exist in some countries:

In the USA it is permitted to use cable tray systems and cable ladder systems as a PE

conductor, in which case national wiring regulations have to be adhered to.

In France it is not permitted to use cable tray systems and cable ladder systems as a PE

conductor.

In France the use of flame propagating cable tray and cable ladder systems is not permitted.

The committee has decided that the contents of this publication will remain unchanged until the

maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in the data

related to the specific publication. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
---------------------- Page: 11 ----------------------
61537 © IEC:2006 – 13 –
CABLE MANAGEMENT −
CABLE TRAY SYSTEMS AND CABLE LADDER SYSTEMS
1 Scope

This International Standard specifies requirements and tests for cable tray systems and cable

ladder systems intended for the support and accommodation of cables and possibly other

electrical equipment in electrical and/or communication systems installations. Where

necessary, cable tray systems and cable ladder systems may be used for the division or

arrangement of cables into groups.

This standard does not apply to conduit systems, cable trunking systems and cable ducting

systems or any current-carrying parts.

NOTE Cable tray systems and cable ladder systems are designed for use as supports for cables and not as

enclosures.
2 Normative references

The following referenced documents are indispensable for the application 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 60068-2-75:1997, Environmental testing – Part 2-75: Tests – Test Eh: Hammer tests

IEC 60364-5-52:2001, Electrical installations of buildings – Part 5-52: Selection and erection of

electrical equipment – Wiring systems

IEC 60695-2-11:2000,: Fire hazard testing - Part 2-11:Glowing/hot-wire based test methods –

Glow-wire flammability test method for end-products

IEC 60695-11-2:2003, Fire hazard testing - Part 11-2: Test flames - 1 kW nominal pre-mixed

flame - Apparatus, confirmatory test arrangement and guidance

ISO 1461:1999, Hot dip galvanized coatings on fabricated iron and steel articles –

Specifications and test methods

ISO 2178:1982, Non-magnetic coatings on magnetic substrates - Measurement of coating

thickness - Magnetic method
ISO 2808:1997, Paints and varnishes - Determination of film thickness
ISO 4046 (all parts), Paper, board, pulp and related terms – Vocabulary
ISO 9227:1990, Corrosion tests in artificial atmospheres – Salt spray tests

ISO 10289:1999, Methods for corrosion testing of metallic and other inorganic coatings on

metallic substrates - Rating of test specimens and manufactured articles subjected to corrosion

tests
---------------------- Page: 12 ----------------------
61537 © IEC:2006 – 15 –
3 Terms and definitions
For the purpose of this document, the following definitions apply.
3.1
cable tray system or cable ladder system

assembly of cable supports consisting of cable tray lengths or cable ladder lengths and other

system components
3.2
system component
part used within the system. System components are as follows:
a) cable tray length or cable ladder length
b) cable tray fitting or cable ladder fitting
c) support device
d) mounting device
e) system accessory

NOTE System components may not necessarily be included together in a system. Different combinations of

system components may be used.
3.3
cable tray length

system component used for cable support consisting of a base with integrated side members

or a base connected to side members
NOTE Typical examples of cable tray types are shown in Figures A.1 to A.3.
3.4
cable ladder length

system component used for cable support consisting of supporting side members, fixed to each

other by means of rungs
NOTE Typical examples of cable ladder types are shown in Figure A.4.
3.5
fitting

system component used to join, change direction, change dimension or terminate cable tray

lengths or cable ladder lengths
NOTE Typical examples are couplers, bends, tees, crosses.
3.6
cable runway

assembly comprised of cable tray lengths or cable ladder lengths and fittings only

3.7
support device

system component designed to provide mechanical support and which may limit movement of a

cable runway
NOTE Typical examples of support devices are shown in Annex B.
3.8
mounting device
system component used to attach or fix other devices to the cable runway
---------------------- Page: 13 ----------------------
61537 © IEC:2006 – 17 –
3.9
apparatus mounting device

part used to accommodate electrical apparatus like switches, socket outlets, circuit- breakers,

telephone outlets, etc. which can be an integral part of the electrical apparatus and which is not

part of the cable tray system and cable ladder system
3.10
system accessory

system component used for a supplementary function such as cable retention, and covers, etc.

3.11
BLANK
3.12
metallic system component

system component which consists of metal only. Screws for connections and other fasteners

are not considered
3.13
non-metallic system component

system component which consists of non-metallic material only. Screws for connections and

other fasteners are not considered
3.14
composite system component

system component which consists of both metallic and non-metallic materials. Screws for

connections and other fasteners are not considered
3.15
non-flame propagating system component

system component which may catch fire as a result of an applied flame and the resulting flame

does not propagate and extinguishes itself within a limited time after the applied flame is

removed
3.16
external influence

presence of water, oil, building materials, corrosive and polluting substances, and external

mechanical forces such as snow, wind, and other environmental hazards
3.17
safe working load
SWL
maximum load that can be applied safely in normal use
3.18
...

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