EN 60670-24:2013/A11:2023

SLOVENSKI STANDARD
01-julij-2023
Omarice in ohišja za električno opremo za gospodinjstvo in podobne nepremične
električne inštalacije - 24. del: Posebne zahteve za ohišja stanovanjskih zaščitnih
naprav in druge električne opreme, ki porablja energijo - Dopolnilo A11
Boxes and enclosures for electrical accessories for household and similar fixed electrical
installations - Part 24: Particular requirements for enclosures for housing protective
devices and other power dissipating electrical equipment
Dosen und Gehäuse für elektrische Installationsgeräte für Haushalt und ähnliche
ortsfeste elektrische Installationen - Teil 24: Besondere Anforderungen für Gehäuse zur
Aufnahme von Schutzgeräten und ähnlichen energieverbrauchenden Geräten
Boîtes et enveloppes pour appareillage électrique pour installations électriques fixes
pour usages domestiques et analogues - Partie 24: Exigences particulières pour
enveloppes pour appareillages de protection et autres appareillages électriques ayant
une puissance dissipée
Ta slovenski standard je istoveten z: EN 60670-24:2013/A11:2023
ICS:
29.120.99 Druga električna dodatna Other electrical accessories
oprema
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 60670-24:2013/A11

NORME EUROPÉENNE
EUROPÄISCHE NORM May 2023
ICS 29.120.10
English Version
Boxes and enclosures for electrical accessories for household
and similar fixed electrical installations - Part 24: Particular
requirements for enclosures for housing protective devices and
other power dissipating electrical equipment
Boîtes et enveloppes pour appareillage électrique pour Dosen und Gehäuse für elektrische Installationsgeräte für
installations électriques fixes pour usages domestiques et Haushalt und ähnliche ortsfeste elektrische Installationen -
analogues - Partie 24: Exigences particulières pour Teil 24: Besondere Anforderungen für Gehäuse zur
enveloppes pour appareillages de protection et autres Aufnahme von Schutzgeräten und ähnlichen
appareillages électriques ayant une puissance dissipée energieverbrauchenden Geräten
This amendment A11 modifies the European Standard EN 60670-24:2013; it was approved by CENELEC on 2023-01-26. CENELEC
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment 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 amendment 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye 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
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 60670-24:2013/A11:2023 E

Contents Page
European foreword . 3
1 Modification to Clause 1, “Scope” . 4
2 Modification to Clause 3, “Definitions” . 4
3 Modification to Clause 7, “Classification” . 4
4 Modifications to Clause 8, “Marking” . 4
5 Modifications to Clause 10, “Protection against electric shock” . 4
6 Modifications to Clause 12, “Construction” . 4
7 Modification to Clause 15, “Mechanical strength” . 5
8 Modification to Clause 16, “Resistance to heat” . 5
9 Modification to Clause 18, “Resistance of insulating material to abnormal heat and to fire” . 5
10 Modifications to Clause 101, “Verification of the maximum capability to dissipate power (P )” . 6
de
11 Modifications to Clause 102, “Verification of temperature rise” . 6
12 Addition of Clause Z1, "Electromagnetic fields (EMF) requirements" . 7
13 Modifications to Annex AA, “Instructions to be given by the manufacturer of the GP enclosure to the
installer how to integrate accessories, and example of calculation” . 7
14 Modifications and additions to annexes . 11

European foreword
This document (EN 60670-24:2013/A11:2023) has been prepared by CLC/TC 23BX "Switches, boxes and
enclosures for household and similar purposes, plugs and socket outlet for D.C.".
The following dates are fixed:
• latest date by which this document has to be (dop) 2023-11-05
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2026-05-05
conflicting with this document have to be
withdrawn
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.
This Part 24 is read in conjunction with EN IEC 60670-1:2021 and EN IEC 60670-1:2021/A11:2021. It lists
the changes necessary to convert that standard into a specific standard for housing protective devices and
other power dissipating electrical equipment
This document has been prepared under a Standardization Request given to CENELEC by the European
Commission and the European Free Trade Association, and supports essential requirements of EU
Directive(s) / Regulation(s).
For relationship with EU Directive(s) / Regulation(s), see informative Annex ZZ, which is an integral part of
this document.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
1 Modification to Clause 1, “Scope”
Add the following paragraph before NOTE 1:
“This document does not apply to surface type boxes, flush and semi-flush type boxes suitable for the
housing of accessories for household and similar use such as switches, electronic switches, socket- outlets,
which are covered by EN 60670-1 only.”
2 Modification to Clause 3, “Definitions”
Replace the definition 3.106 with the following:
“3.106
rated current
I
n
maximum current assigned by the manufacturer of the enclosure which can be distributed by the enclosure”
3 Modification to Clause 7, “Classification”
rd
Replace the 3 line with:
“Classification criteria 7.6, 7.8.1 and 7.9 do not apply.”
4 Modifications to Clause 8, “Marking”
In 8.1, delete item i).
In 8.1, replace the sentence before item g) with:
“The following information shall be marked on the boxes and enclosures or provided by the manufacturer on
the smallest package unit or in the manufacturer’s instructions which need not be provided with the product:”
5 Modifications to Clause 10, “Protection against electric shock”
nd
Delete the sentence “Deletion of the 2 paragraph.”
Deletion of the 6th and 7th (penultimate) paragraphs.
In 10.101, replace item a) with:
“a) covers live parts of the installed equipment with insulation material, and”
In 10.101, replace the paragraph after “Tests shall be carried out on parts which are accessible after
installation.” with:
“In addition, all enclosures according to 7.1.1, 7.1.3 and 7.1.4 with parts of thermoplastic or elastomeric
material shall be subjected for 1 min to a force applied through the tip of test probe C of IEC 61032 but at an
ambient temperature of (35 ± 2) °C, the enclosure being at this temperature.”
6 Modifications to Clause 12, “Construction”
This clause is applicable with following modification:
12.2.3 Non-screw-type fixing operable without the use of a tool or a key
Addition at the end of the clause of following sentence:
“This clause is not applicable for blanking plates”
12.2.4 Non screw-type fixing operable with the use of a tool or a key
Addition at the end of the clause of following sentence:
“This clause is not applicable for blanking plates”
Replace the title numbering and the title of 12.11 with:
“12.12 Fixing of flush type and semi-flush type enclosures classified according to 7.2.2.1”
In 12.12, replace the paragraph below “Replacement:” with:
“Enclosures for hollow walls classified according to 7.2.2.1 shall provide suitable means for fixing the
enclosure to hollow walls.”
7 Modification to Clause 15, “Mechanical strength”
In 15.101, add at the end:
“After the test, the specimens shall show no damage leading to non-compliance with the standard.
Damage to the finish, small dents and small chips which do not adversely affect the protection against
electric shock or harmful ingress of water are disregarded.
Cracks passing through the material not visible with normal or corrected vision without magnification, surface
cracks in fibre-reinforced mouldings and small indentations are disregarded.”
8 Modification to Clause 16, “Resistance to heat”
Replace the text of Clause 16 with:
“This clause of Part 1 is applicable with following modification:
Delete 16.3 "Boxes and enclosures of insulation materials classified according to 7.2.2 or 7.2.2.3”
9 Modification to Clause 18, “Resistance of insulating material to abnormal heat
and to fire”
Replace the text of Clause 18 with:
“This clause of Part 1 is applicable with the following modifications:”
Replace the bullet points with the following:
— By test made at 960 °C
— for parts of insulating material necessary to retain current-carrying parts in position.
— By the test made at 850 °C
— for parts of insulating material, necessary to retain parts of the earthing circuit in position (with the
exception of parts of insulating material needed to retain the earth terminal in position in an
enclosure), and
— for parts of insulating material of boxes and enclosures classified according to 7.2.2.1, with the
exception of parts protruding from the wall and additional and/or removable internal parts of
enclosure (e.g. separator) not necessary to retain current carrying parts in position.
— By the test made at 650 °C
— for parts of insulating material not necessary to retain current-carrying parts in position (even though
they are in contact with them), and
— for parts of insulating material retaining earthing terminal in position.
— for parts of insulating material of boxes and enclosures classified according to 7.2.2.1, protruding
from the wall and additional and/or removable internal parts of enclosure (e.g. separator) not
necessary to retain current carrying parts in position.
NOTE Accessories complying with other standards, e.g. connecting devices incorporated but not integrated into the
enclosure, are not considered as part of the enclosures.”
10 Modifications to Clause 101, “Verification of the maximum capability to dissipate
power (P )”
de
th th th
Replace the 10 , 11 and 12 sentence with:
“For enclosures according to 7.2.1.1 and 7.2.2.1 the test is carried out with the specimen mounted as
declared by the manufacturer.
For enclosures according to 7.2.3 the specimen is mounted on a minimum 19 mm thick plywood painted
black.
For enclosures according to 7.2.1.2 and 7.2.1.3 the test is carried out with the specimen cast in a concrete
wall of thickness not less than 100 mm on each surface; it is allowed to cast the specimen in walls of
different material, with equivalent thermal conductivity.”
11 Modifications to Clause 102, “Verification of temperature rise”
Replace the 7th, 8th and 9th sentence with:
“For enclosures according to 7.2.1.1 and 7.2.2.1 the test is carried out with the specimen mounted as
declared by the manufacturer.
For enclosures according to 7.2.3 the specimen is mounted on a minimum 19 mm thick plywood painted
black.
For enclosures according to 7.2.1.2 and 7.2.1.3 the test is carried out with the specimen cast in a concrete
wall of thickness not less than 100 mm on each surface; it is allowed to cast the specimen in walls of
different material, with equivalent thermal conductivity.”
In the Keys to Figures 103 and 104, add the following additional line:
“= the resistor is placed at equal distance from both sides with a tolerance on the difference of ±5 mm.”
Replace the paragraph before Table 102 with the following:
“The specimen is loaded with its rated current (In ). This current shall be distributed amongst the smallest
possible number of outgoing circuits, with a minimum of 2, so that each of these circuits is loaded
...