HD 60364-5-52:2011/prA1:2023

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
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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 nat
...