SIST HD 60364-5-52:2011/oprA1:2023

SLOVENSKI STANDARD
SIST HD 60364-5-52:2011/oprA1:2023
01-maj-2023
Nizkonapetostne električne inštalacije - 5-52. del: Izbira in namestitev električne
opreme - Inštalacijski sistemi - Dopolnilo A1
Low-voltage electrical installations - Part 5-52: Selection and erection of electrical
equipment - Wiring systems
Errichten von Niederspannungsanlagen - Teil 5-52: Auswahl und Errichtung elektrischer
Betriebsmittel - Kabel- und Leitungsanlagen
Installations électriques à basse-tension - Partie 5-52: Choix et mise en oeuvre des
matériels électriques - Canalisations
Ta slovenski standard je istoveten z: HD 60364-5-52:2011/prA1:2023
ICS:
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
SIST HD 60364-5-52:2011/oprA1:2023 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST HD 60364-5-52:2011/oprA1:2023

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SIST HD 60364-5-52:2011/oprA1:2023
64/2588/CDV

COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60364-5-52/AMD1 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2023-03-03 2023-05-26
SUPERSEDES DOCUMENTS:
64/2511/CD, 64/2575/CC

IEC TC 64 : ELECTRICAL INSTALLATIONS AND PROTECTION AGAINST ELECTRIC SHOCK
SECRETARIAT: SECRETARY:
Germany Mr Wolfgang Niedenzu
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:
TC 20,TC 23,SC 23A,SC 23B,SC 23E,SC 23H,SC
23K,TC 32,SC 32A,SC 32B,TC 34,TC 44,TC
Other TC/SCs are requested to indicate their interest, if any, in
82,TC 121,SC 121A,SC 121B
this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.

This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of
• any relevant patent rights of which they are aware and to provide supporting documentation ,
• any relevant “in some countries” clauses to be included should this proposal proceed. Recipients are remin ded
that the enquiry stage is the final stage for submitting "in some countries" clauses. See AC/22/2007.

TITLE:
Amendment 1 - Low-voltage electrical installations - Part 5-52: Selection and erection of electrical
equipment - Wiring systems

PROPOSED STABILITY DATE: 2027

Copyright © 2023 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to download
this electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee
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without permission in writing from IEC.

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SIST HD 60364-5-52:2011/oprA1:2023
IEC CDV 60364-5-52 ED3.1 © IEC 2023   – 2 –     64/2588/CDV
NOTE FROM TC/SC OFFICERS:

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SIST HD 60364-5-52:2011/oprA1:2023
64/2588/CDV – 3 – IEC CDV 60364-5-52 ED3.1 © IEC 2023
1 CONTENTS
2
3 FOREWORD . 4
4 524.2 Cross-sectional area of the neutral conductor . 6
5 524.3 Cross-sectional area of live conductors with triplen harmonics . 6
6 Annex E (normative) Effect of harmonic currents on balanced three-phase systems . 7
7 E.1 General . 7
8 E.2 Reduction factors . 7
9 E.3 Examples of the application of reduction factors for harmonic currents . 10
10
11 Table E.1 – Reduction factors . 8
12

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SIST HD 60364-5-52:2011/oprA1:2023
IEC CDV 60364-5-52 ED3.1 © IEC 2023   – 4 –     64/2588/CDV
13 INTERNATIONAL ELECTROTECHNICAL COMMISSION
14 ____________
15
16 LOW-VOLTAGE ELECTRICAL INSTALLATIONS –
17
18 Part 5-52: Selection and erection of electrical equipment - Wiring systems
19
20 FOREWORD
21 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
22 all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
23 co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
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29 Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
30 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
31 consensus of opinion on the relevant subjects since each technical committee has representation from all
32 interested IEC National Committees.
33 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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37 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
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43 6) All users should ensure that they have the latest edition of this publication.
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48 Publications.
49 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
50 indispensable for the correct application of this publication.
51 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
52 rights. IEC shall not be held responsible for identifying any or all such patent rights.
53 IEC 60364-5-52 has been prepared by subcommittee MT2: Current carrying capacity of
54 conductors and related overcurrent protection, of IEC technical committee TC64: Electrical
55 installations and protection against electrical shock. It is an International Standard.
rd rd
56 This 3 edition and its amendment 1, cancels and replaces the 3 edition published in [2009-
57 10]. This edition constitutes a technical revision
58 This edition includes the following significant changes with respect to the previous edition:
59 a) New clause 524.2, and
60 b) New Annex 52E,
61 based in the revision of IEC 60346-4-43:2023.

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SIST HD 60364-5-52:2011/oprA1:2023
64/2588/CDV – 5 – IEC CDV 60364-5-52 ED3.1 © IEC 2023
62 The text of this International Standard is based on the following documents:
Draft Report on voting
XX/XX/FDIS XX/XX/RVD
63
64 Full information on the voting for its approval can be found in the report on voting indicated in
65 the above table.
66 The language used for the development of this International Standard is English.
67 This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
68 accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
69 at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
70 described in greater detail at www.iec.ch/standardsdev/publications.
71 The committee has decided that the contents of this document will remain unchanged until the
72 stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
73 the specific document. At this date, the document will be
74 • reconfirmed,
75 • withdrawn,
76 • replaced by a revised edition, or
77 • amended.
78

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SIST HD 60364-5-52:2011/oprA1:2023
IEC CDV 60364-5-52 ED3.1 © IEC 2023
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