Classification of environmental conditions - Part 3-1: Classification of groups of environmental parameters and their severities - Storage (IEC 60721-3-1:2018)

This part of IEC 60721 classifies the groups of environmental parameters and their severities
to which products together with their packaging, if any, are subjected when stored.
The environmental conditions specified in this document are limited to those which can directly
affect the products or their ultimate performance. Only environmental conditions as such are
considered. No special description of the effects of these conditions on the products is given.
Environmental conditions directly related to fire or explosions are not included.
Conditions of stationary use, portable and non-stationary use, use in vehicles and ships, and
conditions of transportation are given in other subparts of the IEC 60721-3 series.
The object of this document is to classify environmental parameters and their severities to
which a product can be exposed during storage. Transfer and handling during storage and
transport are addressed in IEC 60721-3-2.

Klassifizierung von Umweltbedingungen - Teil 3: Klassen von Umwelteinflußgrößen und deren Grenzwerte - Hauptabschnitt 1: Langzeitlagerung (IEC 60721-3-1:2018)

Classification des conditions d'environnement - Partie 3-1: Classification des groupements des agents d'environnement et de leurs sévérités - Stockage (IEC 60721-3-1:2018)

NEW!IEC 60721-3-1:2018 est disponible sous forme de IEC 60721-3-1:2018 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.

L’IEC 60721-3-1:2018 classifie les groupements d’agents d’environnement et leurs sévérités auxquels des produits, éventuellement emballés, sont soumis lorsqu’ils sont stockés. Les conditions d’environnement spécifiées dans le présent document se limitent à celles qui sont susceptibles d’influencer directement les produits ou leur comportement ultérieur. Seules de telles conditions sont prises en considération, aucune description particulière de leurs effets sur les produits n’étant donnée. Les conditions d’environnement directement liées aux risques d’incendie ou d’explosion ne sont pas incluses. Les conditions pour une utilisation à poste fixe ou en déplacement, à bord de véhicules ou de navires, et les conditions de transport sont données dans d’autres sous-parties de la série IEC 60721-3. Cette troisième édition annule et remplace la deuxième édition, parue en 1997. Elle constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l’édition précédente:
a. Article 3: reformulé et simplifié.
b. Article 4: reformulé et simplifié.
c. Article 5: l’Annexe C a été intégrée dans l’Article 5.
d. 5.2: toutes les catégories climatiques existantes ont été remplacées par des catégories complètement nouvelles. Les nouvelles catégories ont été divisées en 3 groupes. Ces catégories nouvelles ont été créées en raison de l’intégration de nouveaux types de climats dans la dernière révision de l’IEC 60721-2-1,
e. 5.3: nouvelles catégories pour le rayonnement solaire et la charge de neige.
f. 5.6: toutes les catégories existantes de substances mécaniquement actives ont été remplacées par des catégories complètement nouvelles.
g. 5.7: toutes les catégories de conditions mécaniques existantes ont été remplacées par des catégories complètement nouvelles.
h. Tableau 1: nouvelles catégories climatiques avec de nouvelles sévérités.
i. Tableau 2: nouvelles catégories pour le rayonnement solaire et la charge de neige.
j. Tableau 5: nouvelles catégories de substances mécaniquement actives.
k. Tableau 6: nouvelles catégories de conditions mécaniques.

Klasifikacija okoljskih pogojev - 1-3. del: Razvrščanje skupin okoljskih parametrov in njihove resnosti - Skladiščenje (IEC 60721-3-1:2018)

Ta del standarda IEC 60721 razvršča skupine okoljskih parametrov in njihove resnosti, ki so jim proizvodi in njihova embalaža lahko izpostavljeni v času skladiščenja.
Okoljski pogoji, navedeni v tem dokumentu, so omejeni na tiste, ki lahko neposredno vplivajo na proizvode ali njihovo končno učinkovitost. Obravnavajo se samo okoljski pogoji, ki ustrezajo zgornjemu opisu. Na izdelkih ni podan poseben opis vplivov teh pogojev.
Okoljski pogoji, ki so neposredno povezani z ognjem ali eksplozijami, niso vključeni.
Pogoji stacionarne, prenosne ali nepremične uporabe, uporabe v vozilih in na ladjah ter pogoji transporta so podani v drugih poddelih skupine standardov IEC 60721-3.
Namen tega dokumenta je razvrščanje okoljskih parametrov in njihove resnosti, ki so jim proizvodi lahko izpostavljeni v času skladiščenja. Transport in ravnanje sta obravnavana v standardu IEC 60721-3-2.

General Information

Status
Published
Publication Date
09-May-2018
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
19-Apr-2018
Due Date
24-Jun-2018
Completion Date
10-May-2018

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SIST EN IEC 60721-3-1:2018
01-junij-2018
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SIST EN 60721-3-1:2001
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Classification of environmental conditions - Part 3-1: Classification of groups of
environmental parameters and their severities - Storage (IEC 60721-3-1:2018)
Klassifizierung von Umweltbedingungen - Teil 3: Klassen von Umwelteinflußgrößen und
deren Grenzwerte - Hauptabschnitt 1: Langzeitlagerung (IEC 60721-3-1:2018)
Classification des conditions d'environnement - Partie 3-1: Classification des
groupements des agents d'environnement et de leurs sévérités - Stockage (IEC 60721-3
-1:2018)
Ta slovenski standard je istoveten z: EN IEC 60721-3-1:2018
ICS:
19.040 Preskušanje v zvezi z Environmental testing
okoljem
SIST EN IEC 60721-3-1:2018 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 60721-3-1:2018

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SIST EN IEC 60721-3-1:2018


EUROPEAN STANDARD EN IEC 60721-3-1

NORME EUROPÉENNE

EUROPÄISCHE NORM
April 2018
ICS 19.040 Supersedes EN 60721-3-1:1997
English Version
Classification of environmental conditions - Part 3-1:
Classification of groups of environmental parameters and their
severities - Storage
(IEC 60721-3-1:2018)
Classification des conditions d'environnement - Partie 3-1: Klassifizierung von Umgebungsbedingungen - Teil 3-1:
Classification des groupements des agents Klassen von Umwelteinflussgrößen und deren Grenzwerte -
d'environnement et de leurs sévérités - Stockage Langzeitlagerung
(IEC 60721-3-1:2018) (IEC 60721-3-1:2018)
This European Standard was approved by CENELEC on 2018-03-30. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, 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
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN IEC 60721-3-1:2018 E

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SIST EN IEC 60721-3-1:2018
EN IEC 60721-3-1:2018 (E)
European foreword
The text of document 104/772/FDIS, future edition 3 of IEC 60721-3-1, prepared by IEC/TC 104
"Environmental conditions, classification, and methods of test" was submitted to the IEC-CENELEC
parallel vote and approved by CENELEC as EN IEC 60721-3-1:2018.

The following dates are fixed:
(dop) 2018-12-30
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2021-03-30
standards conflicting with the
document have to be withdrawn

This document supersedes EN 60721-3-1:1997.

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 60721-3-1:2018 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 60721-2 (series) NOTE Harmonized as EN 60721-2 (series).
IEC 60721-2-1 NOTE Harmonized as EN 60721-2-1.
IEC 60721-2-2 NOTE Harmonized as EN 60721-2-2.
IEC 60721-2-3 NOTE Harmonized as EN 60721-2-3.
IEC 60721-3 (series) NOTE Harmonized as EN 60721-3 (series).
IEC 60721-3-0 NOTE Harmonized as EN 60721-3-0.
IEC 60721-3-2 NOTE Harmonized as EN 60721-3-2.
2

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SIST EN IEC 60721-3-1:2018
EN IEC 60721-3-1:2018 (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 60721-1 -  Classification of environmental conditions - EN 60721-1 -
Part 1: Environmental parameters and their
severities


3

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SIST EN IEC 60721-3-1:2018



IEC 60721-3-1

®


Edition 3.0 2018-02




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE











Classification of environmental conditions –

Part 3-1: Classification of groups of environmental parameters and their

severities – Storage




Classification des conditions d’environnement –

Partie 3-1: Classification des groupements des agents d’environnement et de


leurs sévérités – Stockage












INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 19.040 ISBN 978-2-8322-5375-5



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 60721-3-1:2018
– 2 – IEC 60721-3-1:2018 © IEC 2018
CONTENTS
FOREWORD . 3
1 Scope and object . 5
2 Normative references . 5
3 Terms and definitions. 5
4 General . 6
5 Classification of groups of environmental parameters and their severities . 7
5.1 General . 7
5.2 Climatic conditions (K) . 7
5.3 Special climatic conditions (Z) . 10
5.4 Biological conditions (B) . 10
5.5 Chemically active substances (C) . 11
5.6 Mechanically active substances (S) . 12
5.7 Mechanical conditions (M) . 12
Annex A (informative) Chemically active substances . 13
Bibliography . 14

Table 1 – Classification of climatic conditions . 9
Table 2 – Classification of special climatic conditions . 10
Table 3 – Classification of biological conditions . 11
Table 4 – Classification of chemically active substances . 11
Table 5 – Classification of mechanically active substances . 12
Table 6 − Classification of mechanical conditions . 12

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SIST EN IEC 60721-3-1:2018
IEC 60721-3-1:2018 © IEC 2018 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

CLASSIFICATION OF ENVIRONMENTAL CONDITIONS –

Part 3-1: Classification of groups of environmental
parameters and their severities – Storage

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 60721-3-1 has been prepared by IEC technical committee 104:
Environmental conditions, classification, and methods of test.
This third edition cancels and replaces the second edition, published in 1997, and constitutes a
technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) Clause 3: reworded and simplified.
b) Clause 4: reworded and simplified.
c) Clause 5: Annex C has been incorporated in Clause 5.

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SIST EN IEC 60721-3-1:2018
– 4 – IEC 60721-3-1:2018 © IEC 2018
d) 5.2: all existing climate classes have been replaced by completely new classes. The new
classes are divided into 3 groups. The reason for the new classes is the latest revision of
IEC 60721-2-1 which incorporated new climate types.
e) 5.3: new classes for solar radiation and snow load.
f) 5.6: all existing classes for mechanically active substances have been replaced by
completely new classes.
g) 5.7: all existing classes for mechanical conditions have been replaced by completely new
classes.
h) Table 1: new climatic classes with new severities.
i) Table 2: new classes for solar radiation and snow load.
j) Table 5 new mechanically active substances classes.
k) Table 6: new mechanical conditions classes.
The text of this International Standard is based on the following documents:
FDIS Report on voting
104/772/FDIS 104/782/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.
A list of all parts in the IEC 60721 series, published under the general title Classification of
environmental conditions, can be found on the IEC website.
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 60721-3-1:2018
IEC 60721-3-1:2018 © IEC 2018 – 5 –
CLASSIFICATION OF ENVIRONMENTAL CONDITIONS –

Part 3-1: Classification of groups of environmental
parameters and their severities – Storage



1 Scope and object
This part of IEC 60721 classifies the groups of environmental parameters and their severities
to which products together with their packaging, if any, are subjected when stored.
The environmental conditions specified in this document are limited to those which can directly
affect the products or their ultimate performance. Only environmental conditions as such are
considered. No special description of the effects of these conditions on the products is given.
Environmental conditions directly related to fire or explosions are not included.
Conditions of stationary use, portable and non-stationary use, use in vehicles and ships, and
conditions of transportation are given in other subparts of the IEC 60721-3 series.
The object of this document is to classify environmental parameters and their severities to
which a product can be exposed during storage. Transfer and handling during storage and
transport are addressed in IEC 60721-3-2.
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 60721-1, Classification of environmental conditions − Part 1: Environmental parameters
and their severities
3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 60721-1 and the
following 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
3.1
enclosed location
location or structure that is covered on all sides in such a manner as to provide a degree of
protection

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SIST EN IEC 60721-3-1:2018
– 6 – IEC 60721-3-1:2018 © IEC 2018
3.2
non-weather-protected location
location at which the product is not protected from direct meteorological conditions
3.3
open-air location
location that is unenclosed that provides no protection from meteorological conditions
3.4
storage
a product kept in a place when not being operated
3.5
sheltered location
location or structure that provides limited protection from direct meteorological conditions such
as rain and wind
3.6
weather-protected location
location at which the product is protected from meteorological conditions
4 General
A product may be subjected to a range of environmental conditions during its lifetime. These
conditions have been separated into classes described in IEC 60721-3-0. The classes given
may be used for defining the maximum short-term environmental stresses of a product.
However, they do not provide information regarding the long-term or total lifetime
environmental stresses a product may experience. This means that no reliability or lifetime
assessment is possible based on these classes alone. Refer to IEC 60721-2 (all parts) and
applicable technical reports (IEC TR 62130 and IEC TR 62131-5) for further information on
actual environmental conditions.
A product will be simultaneously exposed to a number of environmental parameters. For
example, solar radiation and temperature, temperature and humidity, as well as vibration and
temperature change. Combinations of the environmental parameters given may increase the
effect on a product. Therefore, combined conditions should be considered in the design and
evaluation of a product.
Products should be designed to survive and operate in different enviro
...

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