Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part 3: Environmental requirements, tests and safety aspects (IEC 61969-3:2020)

This part of IEC 61969 specifies a set of basic environmental requirements and tests, as well
as safety aspects for outdoor enclosures under conditions of non-weather protected locations
above ground.
The purpose of this document is to define a minimum level of environmental performance in
order to meet requirements of storage, transport and final installation. The intention is to
establish basic environmental performance criteria for outdoor enclosure compliance.

Mechanische Bauweisen für elektronische Einrichtungen - Außengehäuse - Teil 3: Umgebungsanforderungen, Prüfungen und Sicherheitsaspekte (IEC 61969-3:2020)

Structures mécaniques pour équipment électronique - Enveloppes de plein air - Partie 3: Exigences environnementales, essais et aspects de la sécurité (IEC 61969-3:2020)

IEC 61969-3:2020 est disponible sous forme de IEC 61969-3:2020 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.L'IEC 61969-3: 2020 spécifie un ensemble d’exigences et d’essais d’environnement de base, ainsi que les aspects liés à la sécurité relatifs aux enveloppes de plein air placées dans les conditions suivantes: emplacement non protégé contre les intempéries, au-dessus du sol. L’objet du présent document est de définir un niveau minimal de performances environnementales, afin de répondre aux exigences de stockage, de transport et d’installation finale. Il s’agit d’établir des critères de performances environnementales de base en vue de la conformité des enveloppes de plein air. Cette troisième édition annule et remplace la deuxième édition parue en 2011. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: - alignement avec le contenu des dernières éditions des séries ETSI EN 300 019 et IEC 60721, en particulier concernant l’actualisation des conditions climatiques; - ajout de nouvelles exigences pour refléter celles du marché relatives aux questions environnementales; - amélioration de la terminologie et modifications éditoriales générales.

Mehanske strukture za električno in elektronsko opremo - Ohišja na prostem - 3. del: Okoljevarstvene zahteve, preskusi in varnostni vidiki (IEC 61969-3:2020)

General Information

Status
Published
Publication Date
16-Aug-2020
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
12-Aug-2020
Due Date
17-Oct-2020
Completion Date
17-Aug-2020

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SLOVENSKI STANDARD
SIST EN IEC 61969-3:2020
01-oktober-2020
Nadomešča:
SIST EN 61969-3:2012
Mehanske strukture za električno in elektronsko opremo - Ohišja na prostem - 3.
del: Okoljevarstvene zahteve, preskusi in varnostni vidiki (IEC 61969-3:2020)

Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part

3: Environmental requirements, tests and safety aspects (IEC 61969-3:2020)
Mechanische Bauweisen für elektronische Einrichtungen - Außengehäuse - Teil 3:
Umgebungsanforderungen, Prüfungen und Sicherheitsaspekte (IEC 61969-3:2020)

Structures mécaniques pour équipment électronique - Enveloppes de plein air - Partie 3:

Exigences environnementales, essais et aspects de la sécurité (IEC 61969-3:2020)
Ta slovenski standard je istoveten z: EN IEC 61969-3:2020
ICS:
31.240 Mehanske konstrukcije za Mechanical structures for
elektronsko opremo electronic equipment
SIST EN IEC 61969-3:2020 en

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

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SIST EN IEC 61969-3:2020
---------------------- Page: 2 ----------------------
SIST EN IEC 61969-3:2020
EUROPEAN STANDARD EN IEC 61969-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2020
ICS 31.240 Supersedes EN 61969-3:2012 and all of its amendments
and corrigenda (if any)
English Version
Mechanical structures for electrical and electronic equipment -
Outdoor enclosures - Part 3: Environmental requirements, tests
and safety aspects
(IEC 61969-3:2020)

Structures mécaniques pour équipement électrique et Mechanische Bauweisen für elektronische Einrichtungen -

électronique - Enveloppes de plein air - Partie 3: Exigences Außengehäuse - Teil 3: Umgebungsanforderungen,

et essais d'environnement, et aspects liés à la sécurité Prüfungen und Sicherheitsaspekte

(IEC 61969-3:2020) (IEC 61969-3:2020)

This European Standard was approved by CENELEC on 2020-07-13. CENELEC members are bound to comply with the CEN/CENELEC

Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC

Management Centre or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation

under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the

same status as the official versions.

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

Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the

Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

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

Ref. No. EN IEC 61969-3:2020 E
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SIST EN IEC 61969-3:2020
EN IEC 61969-3:2020 (E)
European foreword

The text of document 48D/721/FDIS, future edition 3 of IEC 61969-3, prepared by SC 48D

"Mechanical structures for electrical and electronic equipment" of IEC/TC 48 "Electrical connectors

and mechanical structures for electrical and electronic equipment" was submitted to the IEC-

CENELEC parallel vote and approved by CENELEC as EN IEC 61969-3:2020.
The following dates are fixed:

• latest date by which the document has to be implemented at national (dop) 2021-04-13

level by publication of an identical national standard or by endorsement

• latest date by which the national standards conflicting with the (dow) 2023-07-13

document have to be withdrawn

This document supersedes EN 61969-3:2012 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.

Endorsement notice

The text of the International Standard IEC 61969-3:2020 was approved by CENELEC as a European

Standard without any modification.

In the official version, for Bibliography, the following notes have to be added for the standards

indicated:
IEC 60068-2-5 NOTE Harmonized as EN IEC 60068-2-5
IEC 60695-11-10 NOTE Harmonized as EN 60695-11-10
IEC 60721-3-2 NOTE Harmonized as EN IEC 60721-3-2
IEC 60721-3-4 NOTE Harmonized as EN IEC 60721-3-4
IEC 60825-1 NOTE Harmonized as EN 60825-1
IEC 61587-3 NOTE Harmonized as EN 61587-3
IEC 62194 NOTE Harmonized as EN 62194
IEC 62262 NOTE Harmonized as EN 62262
IEC 62305-4 NOTE Harmonized as EN 62305-4
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SIST EN IEC 61969-3:2020
EN IEC 61969-3:2020 (E)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments)

applies.

NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevant

EN/HD applies.

NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:

www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60068-2-1 - Environmental testing - Part 2-1: Tests - EN 60068-2-1 -
Test A: Cold
IEC 60068-2-2 - Environmental testing - Part 2-2: Tests - EN 60068-2-2 -
Test B: Dry heat
IEC 60068-2-6 - Environmental testing - Part 2-6: Tests - EN 60068-2-6 -
Test Fc: Vibration (sinusoidal)
IEC 60068-2-10 - Environmental testing - Part 2-10: Tests - EN 60068-2-10 -
Test J and guidance: Mould growth
IEC 60068-2-11 - Basic environmental testing procedures - EN 60068-2-11 -
Part 2-11: Tests - Test Ka: Salt mist
IEC 60068-2-14 - Environmental testing - Part 2-14: Tests - EN 60068-2-14 -
Test N: Change of temperature
IEC 60068-2-27 - Environmental testing - Part 2-27: Tests - EN 60068-2-27 -
Test Ea and guidance: Shock
IEC 60068-2-30 - Environmental testing - Part 2-30: Tests - EN 60068-2-30 -
Test Db: Damp heat, cyclic (12 h + 12 h
cycle)
IEC 60068-2-31 - Environmental testing - Part 2-31: Tests - EN 60068-2-31 -
Test Ec: Rough handling shocks, primarily
for equipment-type specimens
IEC 60068-2-60 - Environmental testing - Part 2-60: Tests - EN 60068-2-60 -
Test Ke: Flowing mixed gas corrosion test
IEC 60068-2-78 - Environmental testing - Part 2-78: Tests - EN 60068-2-78 -
Test Cab: Damp heat, steady state
IEC 60529 - Degrees of protection provided by - -
enclosures (IP Code)
IEC 60950-1 - Information technology equipment - Safety EN 60950-1 -
- Part 1: General requirements
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SIST EN IEC 61969-3:2020
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SIST EN IEC 61969-3:2020
IEC 61969-3
Edition 3.0 2020-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Mechanical structures for electrical and electronic equipment – Outdoor
enclosures –
Part 3: Environmental requirements, tests and safety aspects
Structures mécaniques pour équipement électrique et électronique –
Enveloppes de plein air –
Partie 3: Exigences et essais d'environnement, et aspects liés à la sécurité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.240 ISBN 978-2-8322-8339-4

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

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

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
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SIST EN IEC 61969-3:2020
– 2 – IEC 61969-3:2020 © IEC 2020
CONTENTS

FOREWORD ........................................................................................................................... 3

INTRODUCTION ..................................................................................................................... 5

1 Scope .............................................................................................................................. 6

2 Normative references ...................................................................................................... 6

3 Terms and definitions ...................................................................................................... 7

4 Coordination dimensions ................................................................................................. 7

5 Environmental requirements, tests and safety aspects – Classification of

environmental conditions ................................................................................................. 7

6 Test conditions ................................................................................................................ 8

6.1 General ................................................................................................................... 8

6.2 Climatic tests .......................................................................................................... 8

6.3 Biological tests ....................................................................................................... 9

6.4 Tests of resistance against chemically active substances ....................................... 9

6.5 Tests of resistance against mechanically active substances .................................... 9

7 Mechanical tests ............................................................................................................ 10

7.1 General ................................................................................................................. 10

7.2 Transport tests ...................................................................................................... 10

7.3 Lifting and stiffness test ........................................................................................ 11

8 Safety aspects ............................................................................................................... 11

8.1 General ................................................................................................................. 11

8.2 Locking devices .................................................................................................... 11

8.3 Vandalism resistance ............................................................................................ 11

8.4 Firearms resistance (optional) ............................................................................... 11

9 Seismic requirements .................................................................................................... 12

10 Electromagnetic shielding performance ......................................................................... 12

11 Thermal management .................................................................................................... 12

12 Noise emission .............................................................................................................. 12

Bibliography .......................................................................................................................... 13

Table 1 – Climatic conditions for environmental classes 1 and 2 ............................................. 8

Table 2 – Biological tests ........................................................................................................ 9

Table 3 – Tests of resistance against chemically active substances ........................................ 9

Table 4 – Tests of resistance against mechanically active substances .................................... 9

Table 5 – Vibration and shock test ........................................................................................ 10

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SIST EN IEC 61969-3:2020
IEC 61969-3:2020 © IEC 2020 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
MECHANICAL STRUCTURES FOR ELECTRICAL AND
ELECTRONIC EQUIPMENT – OUTDOOR ENCLOSURES –
Part 3: Environmental requirements, tests and safety aspects
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 61969-3 has been prepared by subcommittee 48D: Mechanical

structures for electrical and electronic equipment, of IEC technical committee 48: Electrical

connectors and mechanical structures for electrical and electronic equipment.

This third edition cancels and replaces the second edition published in 2011. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:

a) alignment with the content of ETSI EN 300 019 and IEC 60721 series latest editions,

particularly with the actualization of climate conditions;

b) new requirements added to reflect market requirements on environmental issues;

c) improvement on terminology and overall editorial improvement.
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SIST EN IEC 61969-3:2020
– 4 – IEC 61969-3:2020 © IEC 2020
The text of this International Standard is based on the following documents:
FDIS Report on voting
48D/721/FDIS 48D/724/RVD

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.

This International Standard is to be used in conjunction with IEC 61969-1:2020.

A list of all parts in the IEC 61969 series, published under the general title Mechanical structures

for electrical and electronic equipment – Outdoor enclosures, can be found on the IEC website.

Future standards in this series will carry the new general title as cited above. Titles of existing

standards in this series will be updated at the time of the next edition.

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.
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SIST EN IEC 61969-3:2020
IEC 61969-3:2020 © IEC 2020 – 5 –
INTRODUCTION

The products covered by IEC 61969 (all parts) are empty enclosures for outdoor locations, to

be equipped with application-specific combinations of electrical and electronic equipment, and

to be used at non-weather protected locations above ground.
IEC 61969 (all parts) consists of:
– a desi
...

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