FprEN IEC 61439-4:2023

SLOVENSKI STANDARD
oSIST prEN IEC 61439-4:2022
01-julij-2022
Sestavi nizkonapetostnih stikalnih in krmilnih naprav - 4. del: Posebne zahteve za
sestave na gradbiščih (ACS)
Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for
assemblies for construction sites (ACS)
Niederspannungs-Schaltgerätekombinationen - Teil 4: Besondere Anforderungen für
Baustromverteiler (BV)
Ensembles d'appareillage à basse tension - Partie 4: Exigences particulières pour
ensembles de chantiers (EC)
Ta slovenski standard je istoveten z: prEN IEC 61439-4:2022
ICS:
29.130.20 Nizkonapetostne stikalne in Low voltage switchgear and
krmilne naprave controlgear
91.200 Gradbena tehnologija Construction technology
oSIST prEN IEC 61439-4:2022 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN IEC 61439-4:2022
oSIST prEN IEC 61439-4:2022
121B/151/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 61439-4 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2022-05-13 2022-08-05
SUPERSEDES DOCUMENTS:
121B/142/CD, 121B/149/CC
IEC SC 121B : LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES
SECRETARIAT: SECRETARY:
Germany Mr Jörg Hußmann
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

TC 64,SC 121A
Other TC/SCs are requested to indicate their interest, if
any, in 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.

TITLE:
Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for
assemblies for construction sites (ACS)

PROPOSED STABILITY DATE: 2026
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
Committee positions. You may not copy or "mirror" the file or printed version of the document, or any part of it, for
any other purpose without permission in writing from IEC.

oSIST prEN IEC 61439-4:2022
IEC CDV 61439-4 © IEC 2022 2 121B/151/CDV

1 CONTENTS
3 1 Scope . 5
4 2 Normative references . 5
5 3 Terms and definitions . 6
6 3.1 General terms . 6
7 3.2 Constructional units of ASSEMBLIES . 6
8 3.3 External design of ASSEMBLIES . 6
9 3.5 Conditions of installation of ASSEMBLIES . 7
10 4 Symbols and abbreviations . 8
11 5 Interface characteristics . 8
12 6 Information . 8
13 7 Service conditions . 10
14 8 Constructional requirements . 10
15 9 Performance requirements . 13
16 10 Design verification . 13
17 11 Routine verification . 16
18 101 Particular features of ACS . 16
19 Annex C (informative) User information template . 20
20 Annex N (informative) List of notes concerning certain countries . 27
21 Annex AA (Void) . 28
23 Figure 101 – Impact test using striking element . 15
25 Table 101 – Values of assumed loading . 18
26 Table C.1 – Items subject to agreement between the ASSEMBLY manufacturer and the
27 user . 20
28 Table D.1 – List of design verifications to be performed . 24
oSIST prEN IEC 61439-4:2022
IEC CDV 61439-4 © IEC 2022 3 121B/151/CDV

32 INTERNATIONAL ELECTROTECHNICAL COMMISSION
33 ____________
35 LOW-VOLTAGE SWITCHGEAR AND
36 CONTROLGEAR ASSEMBLIES –
38 Part 4: Particular requirements for assemblies
39 for construction sites (ACS)
41 FOREWORD
42 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
43 all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
44 international co-operation on all questions concerning standardization in the electrical and electronic fields. To
45 this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
46 Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
47 Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
48 in the subject dealt with may participate in this preparatory work. International, governmental and non-
49 governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
50 with the International Organization for Standardization (ISO) in accordance with conditions determined by
51 agreement between the two organizations.
52 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
53 consensus of opinion on the relevant subjects since each technical committee has representation from all
54 interested IEC National Committees.
55 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
56 Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
57 Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
58 misinterpretation by any end user.
59 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
60 transparently to the maximum extent possible in their national and regional publications. Any divergence
61 between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
62 the latter.
63 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
64 assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
65 services carried out by independent certification bodies.
66 6) All users should ensure that they have the latest edition of this publication.
67 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
68 members of its technical committees and IEC National Committees for any personal injury, property damage or
69 other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
70 expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
71 Publications.
72 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
73 indispensable for the correct application of this publication.
74 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
75 patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
76 International Standard IEC 61439-4 has been prepared by subcommittee 17D: Low-voltage
77 switchgear and controlgear assemblies, of IEC technical committee 17: Switchgear and
78 controlgear.
79 This first edition of IEC 61439-4 cancels and replaces the second edition of IEC 60439-4
80 (2004) and constitutes a technical revision.
81 This edition includes the following significant technical changes with respect to the last edition
82 of IEC 60439-4:
83 • modification of the title as “Part 4: Particular requirements for assemblies for construction
84 sites (ACS)”
85 • alignment on IEC 61439-1 regarding the structure and technical content, as applicable;
86 • to allow comparison with tested ACS.

oSIST prEN IEC 61439-4:2022
IEC CDV 61439-4 © IEC 2022 4 121B/151/CDV

87 The text of this standard is based on the following documents:
FDIS Report on voting
17D/460/FDIS 17D/469/RVD
89 Full information on the voting for the approval of this standard can be found in the report on
90 voting indicated in the above table.
91 This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
92 This standard is to be read in conjunction with IEC 61439-1. The provisions of the general
93 rules dealt with in IEC 61439-1 (hereinafter referred to as Part 1) are only applicable to this
94 standard insofar as they are specifically cited. When this standard states “addition”,
95 “modification” or “replacement”, the relevant text in Part 1 is to be adapted accordingly.
96 Subclauses that are numbered with a 101 (102, 103, etc.) suffix are additional to the same
97 subclause in Part 1.
98 Tables and figures in this Part 4 that are new are numbered starting with 101.
99 New annexes in this Part 4 are lettered AA, BB, etc.
100 In this standard, terms written in small capitals are defined in Clause 3.
101 The reader’s attention is drawn to the fact that Annex AA lists all of the “in-some-country”
102 clauses on differing practices of a less permanent nature relating to the subject of this
103 standard.
104 A list of all parts of the IEC 61439 series, under the general title Low-voltage switchgear and
105 controlgear assemblies, can be found on the IEC website.
106 The committee has decided that the contents of this publication will remain unchanged until
107 the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data
108 related to the specific publication. At this date, the publication will be
109 • reconfirmed,
110 • withdrawn,
111 • replaced by a revised edition, or
112 • amended.
oSIST prEN IEC 61439-4:2022
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115 LOW-VOLTAGE SWITCHGEAR AND
116 CONTROLGEAR ASSEMBLIES –
118 Part 4: Particular requirements for assemblies
119 for construction sites (ACS)
122 1 Scope
123 NOTE Throughout this standard, the abbreviation ACS (ASSEMBLY for construction site, see 3.1.101) is used for
124 a low-voltage switchgear and controlgear assembly intended for use on construction and similar sites.
125 This part of 61439 defines the specific requirements of ACS as follows:
126 – ASSEMBLIES for which the rated voltage does not exceed 1 000 V in case of AC or 1 500 V
127 in case of DC;
128 – ASSEMBLIES where the nominal primary voltage and the nominal secondary voltage of
129 transformers incorporated in ACS are within the limits specified above;
130 – ASSEMBLIES intended for use on construction sites, both indoors and outdoors, i.e.
131 temporary places of work to which the public do not generally have access and where
132 building construction, installation, repairs, alteration or demolition of property (buildings)
133 or civil engineering (public works) or excavation or any other similar operations are carried
134 out;
135 – transportable (semi-fixed) or mobile ASSEMBLIES with enclosure.
136 The manufacture and/or assembly may be carried out other than by the original manufacturer.
137 This standard does not apply to individual devices and self-contained components, such as
138 motor starters, fuse switches, electronic equipment, etc. which will comply with the relevant
139 product standards.
140 This standard does not apply to ASSEMBLIES for use in the administrative centres of
141 construction sites (offices, cloakrooms, ASSEMBLY rooms, canteens, restaurants, dormitories,
142 toilets, etc.).
143 Requirements for electrical protection provided by equipment manufactured according to this
144 International Standard are given in IEC 60364-7-704.
145 2 Normative references
146 This clause of Part 1 is applicable except as follows:
147 Addition:
148 IEC 60068-2-27:2008, Environmental testing − Part 2-27: Tests – Test Ea and guidance:
149 Shock
150 IEC 60068-2-42:2003, Environmental testing − Part 2-42: Tests – Test Kc: Sulphur dioxide
151 test for contacts and connections
152 IEC 60364-7-704, 2017, Low-voltage electrical installations − Part 7-704: Requirements for
153 special installations or locations – Construction and demolition site installations
154 IEC 61140, 201
...