prEN IEC 60721-3-6:2024
(Main)Classification of environmental conditions. part 3: Classification of groups of environmental parameters and their severities - Ship environment
Classification of environmental conditions. part 3: Classification of groups of environmental parameters and their severities - Ship environment
Classification des conditions d'environnement - Partie 3: Classification des groupements des agents d'environnement et de leurs sévérités - Environnement des navires
Klasifikacija okoljskih pogojev - 3. del: Razvrščanje skupin okoljskih parametrov in njihove resnosti - Ladijsko okolje
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SLOVENSKI STANDARD
01-oktober-2024
Klasifikacija okoljskih pogojev - 3. del: Razvrščanje skupin okoljskih parametrov
in njihove resnosti - Ladijsko okolje
Classification of environmental conditions. part 3: Classification of groups of
environmental parameters and their severities - Ship environment
Classification des conditions d'environnement - Partie 3: Classification des groupements
des agents d'environnement et de leurs sévérités - Environnement des navires
Ta slovenski standard je istoveten z: prEN IEC 60721-3-6:2024
ICS:
19.040 Preskušanje v zvezi z Environmental testing
okoljem
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
104/1059/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60721-3-6 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-07-12 2024-10-04
SUPERSEDES DOCUMENTS:
104/998/CD, 104/1031A/CC
IEC TC 104 : ENVIRONMENTAL CONDITIONS, CLASSIFICATION AND METHODS OF TEST
SECRETARIAT: SECRETARY:
Sweden Mr Henrik Lagerström
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
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The attention of IEC National Committees, members of
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for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
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This document is still under study and subject to change. It should not be used for reference purposes.
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Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some
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final stage for submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).
TITLE:
Classification of environmental conditions. Part 3: Classification of groups of environmental
parameters and their severities - Ship environment
PROPOSED STABILITY DATE: 2035
NOTE FROM TC/SC OFFICERS:
download this electronic file, to make a copy and to print out the content for the sole purpose of preparing National
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IEC CDV 60721-3-6 © IEC 2024 2 104/1059/CDV
1 CONTENTS
2 CONTENTS . 2
3 FOREWORD . 3
4 1 Scope and object . 5
5 2 Normative references. 5
6 3 Terms and definitions . 5
7 4 General . 6
8 5 Classification of groups of environmental parameters and their severities . 7
9 5.1 General . 7
10 5.2 Climatic conditions (K) . 7
11 5.3 Biological conditions (B) . 11
12 5.4 Chemically active substances (C) . 11
13 5.5 Mechanically active substances (S) . 12
14 5.6 Mechanical conditions (M) . 13
15 Bibliography. 15
17 Figure 1 – Stationary vibration, sinusoidal . 15
18 Figure 2 – Non-stationary shock Conditions . 15
20 Table 1 – Classification of climatic conditions . 9
21 Table 2 – Classification of biological conditions . 11
22 Table 3 – Classification of chemically active substances . 12
23 Table 4 − Classification of mechanically active substances . 13
24 Table 5 – Classification of mechanical conditions . 14
IEC CDV 60721-3-6 © IEC 2024 3 104/1059/CDV
27 INTERNATIONAL ELECTROTECHNICAL COMMISSION
28 ____________
30 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS –
32 Part 3-6: Classification of groups of environmental parameters and their
33 severities – Ship Environments
35 FOREWORD
36 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
37 all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
38 co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
39 in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
40 Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
41 preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
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43 with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
44 Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
45 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
46 consensus of opinion on the relevant subjects since each technical committee has representation from all
47 interested IEC National Committees.
48 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
49 Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
50 Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
51 misinterpretation by any end user.
52 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
53 transparently to the maximum extent possible in their national and regional publications. Any divergence between
54 any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
55 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
56 assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
57 services carried out by independent certification bodies.
58 6) All users should ensure that they have the latest edition of this publication.
59 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
60 members of its technical committees and IEC National Committees for any personal injury, property damage or
61 other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
62 expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
63 Publications.
64 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
65 indispensable for the correct application of this publication.
66 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
67 rights. IEC shall not be held responsible for identifying any or all such patent rights.
68 International Standard IEC 60721-3-6 has been prepared by IEC technical committee 104:
69 Environmental conditions, classification, and methods of test.
70 This third edition cancels and replaces the second edition, published in 1997, and constitutes
71 a technical revision.
72 This edition includes the following significant changes with respect to the previous edition:
73 a) Most classes have been replaced by completely by new classes based on the use of new
74 information obtained from referenced Technical Reports.
75 b) Table 1 through to Table 5 have been updated.
76 c) The content of Annex A and B has either been incorporated into main body text or deleted.
IEC CDV 60721-3-6 © IEC 2024 4 104/1059/CDV
78 The text of this International Standard is based on the following documents:
FDIS Report on voting
xxx xxx
80 Full information on the voting for the approval of this International Standard can be found in the
81 report on voting indicated in the above table.
82 This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
83 A list of all parts in the IEC 60721 series, published under the general title Classification of
84 environmental conditions, can be found on the IEC website.
85 The committee has decided that the contents of this document will remain unchanged until the
86 stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
87 the specific document. At this date, the document will be
88 • reconfirmed,
89 • withdrawn,
90 • replaced by a revised edition, or
91 • amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this document using a colour printer.
IEC CDV 60721-3-6 © IEC 2024 5 104/1059/CDV
94 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS –
96 Part 3-6: Classification of groups of environmental parameters and their
97 severities – Ship Environments
98 1 Scope and object
99 This part of IEC 60721 classifies the groups of environmental parameters and their severities
100 to which a product is subjected when installed aboard a ship.
101 Ships where electrotechnical products may be permanently or temporarily installed include :
102 • Ships propelled by mechanical means, including mobile offshore units;
103 • Ships not propelled by mechanical means, including sailing boats and life rafts.
104 The classes defined apply to all sizes of ship from pleasure craft to trawlers, ferry boats,
105 icebreakers, cargo ships including tankers.
106 The areas in which ships normally navigate are:
107 • inland waterways (canals, rivers, lakes etc.);
108 • coastal waters:
109 • oceans.
110 Areas where ships have to navigate in ice are also included.
111 The environmental conditions specified in this document are those that the product can be
112 exposed to whilst permanently or temporarily installed for the running, handling and safety of
113 the ship. The environmental conditions may also be used for other products, installed in a similar
114 way at similar locations.
115 Accidental incidents are not included but their occurrence may need to be taken into account
116 for products vital to the safety of the ship. The classification also does not cover the effects of
117 water pressure on submerged products.
118 Classification of storage and transportation environmental conditions are given in other parts of
119 IEC 60721-3(all parts).
120 2 Normative references
121 The following documents are referred to in the text in such a way that some or all of their content
122 constitutes requirements of this document. For dated references, only the edition cited applies.
123 For undated references, the latest edition of the referenced document (including any
124 amendments) applies.
125 IEC 60721-1, Classification of environmental conditions − Part 1: Environmental parameters
126 and their severities
127 3 Terms and definitions
128 For the purposes of this document, the terms and definitions given in IEC 60721-1 and the
129 following apply.
130 3.1
131 weather-protected
132 protected from the influences of meteorological conditions
IEC CDV 60721-3-6 © IEC 2024 6 104/1059/CDV
133 3.2
134 non-weather-protected
135 not protected from the influences of meteorological conditions
136 ISO and IEC maintain terminological databases for use in standardization at the following
137 addresses:
138 • IEC Electropedia: available at http://www.electropedia.org/
139 • ISO Online browsing platform: available at http://www.iso.org/obp
140 4 General
141 A product may be subjected to a range of environmental conditions during its lifetime. These
142 conditions have been separated into classes described in IEC 60721-3-0. The classes given
143 may be used for defining the maximum short-term environmental stresses on a product.
144 However, they do not provide information regarding the long-term or total lifetime environmental
145 stresses a
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