EN IEC 61969-3:2020

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

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

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

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

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

– 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

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 promo
...