IEC 61058-2-1:2010

Switches for appliances - Part 2-1: Particular requirements for cord switches

IEC 61058-2-1:2010 applies to cord switches (mechanical or electronic) for appliances actuated by hand, by foot or by other human activity, to operate or control electrical appliances and other equipment for household or similar purposes with a rated voltage not exceeding 250 V and a rated current not exceeding 16 A. This second edition cancels and replaces the first edition published in 1992 and its amendment 1 (1995) and constitutes a technical revision. The main changes from the first edition are as follows:
- Scope, Definitions;
- Protection against electric shock;
- Provision for earthing;
- Construction;
- Fire hazard;
- Abnormal operation and fault conditions for electronic switches;
- Components for electronic switches;
- EMC requirements.
This publication is to be read in conjunction with IEC 61058-1:2000.

Interrupteurs pour appareils - Partie 2-1: Règles particulières pour les interrupteurs pour câbles souples

La CEI 61058-2-1:2010 s'applique aux interrupteurs pour câbles souples (mécaniques ou électriques) pour appareils manoeuvrés à la main, au pied ou par d'autres activités humaines, pour actionner ou commander des appareils électriques et autres matériels pour usages domestiques et analogues, de tension assignée ne dépassant pas 250 V et de courant assigné ne dépassant pas 16 A. Cette deuxième édition annule et remplace la première édition parue en 1992 et son amendement 1 (1995) et constitue une révision technique. Les changements principaux par rapport à la première édition figurent dans les parties suivantes:
- Domaine d'application, Définitions;
- Protection contre les chocs électriques;
- Disposition en vue de la mise à la terre;
- Construction;
- Risque d'incendie;
- Fonctionnement anormal et conditions de défaut des interrupteurs électroniques;
- Composants pour interrupteurs électroniques;
- Exigences CEM.
Cette publication doit être lue conjointement avec la CEI 61058-1:2000.

General Information

• Status: Published
• Publication Date: 28-Nov-2010
• ICS: 29.120.40 - Switches
• Technical Committee: SC 23J - Switches for appliances
• Drafting Committee: MT 1 - TC 23/SC 23J/MT 1
• Current Stage: DELPUB - Deleted Publication
• Start Date: 30-Dec-2016
• Completion Date: 18-Jun-2018

Relations

• Revised: IEC 61058-2-1:2018 - Switches for appliances - Part 2-1: Particular requirements for cord switches
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 61058-2-1


®

Edition 2.0 2010-11



INTERNATIONAL



STANDARD



NORME
INTERNATIONALE


Switches for appliances –
Part 2-1: Particular requirements for cord switches

Interrupteurs pour appareils –
Partie 2-1: Règles particulières pour les interrupteurs
pour câbles souples


IEC 61058-2-1:2010

---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 61058-2-1


®

Edition 2.0 2010-11



INTERNATIONAL



STANDARD



NORME
INTERNATIONALE


Switches for appliances –
Part 2-1: Particular requirements for cord switches

Interrupteurs pour appareils –
Partie 2-1: Règles particulières pour les interrupteurs
pour câbles souples


INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
T
CODE PRIX
ICS 29.120.40 ISBN 978-2-88912-263-9
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

---------------------- Page: 3 ----------------------
– 2 – 61058-2-1 Ó IEC:2010



CONTENTS

FOREW ORD . 3


1 Scope . 5

2 Normativ e references . 5

3 Def initions . 6


4 General requirement . 7

5 General notes on tests. 7

6 Rating . 7

7 Classif ication . 7
8 Marking and documentation . 8
9 Protection against electric shock . 8
10 Provision for earthing . 9
11 Terminals and terminations . 9
12 Construction . 10
13 Mechanism . 15
14 Protection against solid objects, ingress of water and humid conditions . 15
15 Insulation resistance and dielectric strength . 15
16 Heating . 15
17 Endurance . 15
18 Mechanical strength . 16
19 Screws, current-carrying parts and connections . 17
20 Clearances, creepage distances and distances through insulation and coatings of
rigid printed board assemblies . 17
21 Fire hazard . 17
22 Resistance to rusting . 17
23 Abnormal operation and fault conditions for electronic switches . 17
24 Components for electronic switches . 17
25 EMC requirements . 18
Annexes . 23


Figure 101 – Pull apparatus for testing the cord anchorage . 18
Figure 102 – Apparatus for flexing test . 19
Figure 103 – Tumbling barrel . 20
Figure 104 – Torque apparatus for testing the cord anchorage . 21
Figure 105 – Example for the insulation system . 22

Table 3 – Switch information . 8
Table 4 – Resistive current carried by the terminal and related cross-sectional areas
of terminals for unprepared conductors . 9
Table 101 – Rated currents for resistor loads and related type of cords . 11
Table 102 – Size of conductor . 14
Table 103 – Torque values for insulating material screws . 17

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61058-2-1 Ó IEC:2010 – 3 –


INTERNATIONAL ELECTROTECHNICAL COMMISSION

____________




SWITCHES FOR APPLIANCES –



Part 2-1: Particular requirements for cord switches





FOREWORD


1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in
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preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
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4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 61058-2-1 has been prepared by subcommittee 23J: Switches

for appliances, of IEC technical committee 23: Electrical accessories.
This second edition cancels and replaces the first edition published in 1992 and its
amendment 1 (1995) and constitutes a technical revision.
The main changes from the first edition are as follows:
Scope, Definitions; Protection against electric shock; Provision for earthing; Construction;
Fire hazard; Abnormal operation and fault conditions for electronic switches; Components
for electronic switches; EMC requirements.

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– 4 – 61058-2-1 Ó IEC:2010


The text of this standard is based on the following documents:

CDV Report on voting


23J/326/CDV 23J/337/RVC



Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.


This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.


This standard is to be read in conjunction with the IEC 61058-1:2000, Switches for
appliances – Part 1: General requirements, and its amendments 1 (2001) and 2 (2007).
This Part 2-1 supplements or modifies the corresponding clauses in IEC 61058-1, so as to
convert that publication into the IEC standard: Particular requirements for cord switches.
When a particular subclause of Part 1 is not mentioned in this Part 2-1, that subclause
applies as far as reasonable. Where this standard states “addition”, “modification” or
“replacement”, the relevant text of Part 1 is to be adapted accordingly.
In this standard:
1) the following print types are used:
· requirements proper: in roman type;
· test specifications: in italic type;
· notes/explanatory matters: in small roman type.
2) subclauses, notes, figures and tables which are additional to those in Part 1 are
numbered starting from 101. Annexes which are additional to those in Part 1 are lettered
AA, BB, etc.
A list of all the parts in the IEC 61058 series, under the general title Switches for
appliances, can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

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61058-2-1 Ó IEC:2010 – 5 –


SWITCHES FOR APPLIANCES –



Part 2-1: Particular requirements for cord switches








1 Scope


This clause of Part 1 is applicable except as follows:

1.1 Replacement:
1.1 This International Standard applies to cord switches (mechanical or electronic) for
appliances actuated by hand, by foot or by other human activity, to operate or control
electrical appliances and other equipment for household or similar purposes with a rated
voltage not exceeding 250 V and a rated current not exceeding 16 A.
These switches are intended to be operated by a person, via an actuating member or by
actuating a sensing unit. The actuating member or sensing unit can be integral or arranged
separately from the switch. The transmission of a signal between the actuating member or
sensing unit and the switch may be made either physically or electrically (for example
electrical, optical, acoustic or thermal).
Switches which incorporate additional control functions governed by the switch function are
within the scope of this standard.
This standard also covers the indirect actuation of the switch when the operation of the
actuating member or sensing unit is provided by a remote control or a part of an appliance
or equipment such as a door.
NOTE 1 Electronic switches may be combined with mechanical switches giving full disconnection or micro-
disconnection.
NOTE 2 Electronic switches without a mechanical switch in the supply circuit provide only electronic disconnection.
Therefore, the circuit on the load side is always considered to be live.
NOTE 3 For switches used in tropical climates, additional requirements may be necessary.
NOTE 4 Attention is drawn to the fact that the standards for appliances may contain additional or alternative
requirements for switches.

NOTE 5 Throughout this standard, the word “appliance” means “appliance or equipment”.
1.2 Replacement:
1.2 This standard applies to switches intended to be connected to a flexible cable."
NOTE In this document, the word “cable” means “cable or cord”.
1.3 This subclause applies.
1.4 This subclause does not apply.
2 Normative references
This clause of Part 1 is applicable except as follows:

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2.1 Addition:


IEC 60227 (all parts), Polyvinyl chloride insulated cables of rated voltages up to and

including 450/750 V


IEC 60227-5:1997, Polyvinyl chloride insulated cables of rated voltages up to and including

1
450/750 V – Part 5: Flexible cables (cords)

Amendment 1 (1997)

Amendment 2 (2003)


IEC 60245 (all parts), Rubber insulated cables - Rated voltages up to and including 450/750

V
IEC 60335-2-17:2002, Household and similar electrical appliances - Safety - Part 2-17:
2
Particular requirements for blankets, pads and similar flexible heating appliances
Amendment 1 (2006)
Amendment 2 (2008)
3 Definitions
This clause of Part 1 is applicable except as follows:
3.3 Definitions relating to the different types of switches
Addition:
3.3.101
cord switch
separately enclosed switch intended to be connected to a supply and/or to an appliance or
equipment by means of a flexible cable(s)
NOTE The flexible cable(s) may enter the switch enclosure in any direction and may be in line with the enclosure.
3.5 Definitions relating to connections to the switch
Addition:
3.5.101
rewirable switch

switch in which the opening of the enclosure provides access to the terminals of the switch
and external conductors can be replaced
3.5.102
non-rewirable switch
switch being so constructed that it forms a constructional unit with the flexible cable after
connection and assembly, and that the external conductors cannot be replaced without
making the switch permanently inoperable
___________
1
 There exists a consolidated version of IEC 60227-5 (2003) comprising the second edition (1997) and its
amendments 1 (1997) and 2 (2003).
2
 There exists a consolidated version of IEC 60335-2-17 (2009) comprising the second edition (2002) and its
amendments 1 (2006) and 2 (2008).

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61058-2-1 Ó IEC:2010 – 7 –


4 General requirement


This clause of Part 1 is applicable.



5 General notes on tests


This clause of Part 1 is applicable except as follows:



Addition:

5.101 For non-rewirable switches, special test specimens may be provided for the tests
according to Clauses 16 and 17, and for both 12.3.101 and 12.3.102 a further three test
specimens each shall be used.
6 Rating
This clause of Part 1 is applicable except as follows:
6.1 Replacement:
The maximum rated voltage is 250 V.
NOTE Preferred values are 50 V, 130 V and 250 V. Rated voltages differing from the preferred values are allowed.
6.3 Replacement:
The maximum rated current is 16 A.
Compliance with the requirements of 6.1 to 6.3 is checked by inspection of marking and
documentation.
NOTE Preferred values are 1 A, 2 A, 4 A, 6 A, 10 A, 16 A.
7 Classification
This clause of Part 1 is applicable except as follows:

7.1.15.2 This subclause does not apply.
Addition:
7.1.101 According to the connection to the switch
7.1.101.1 rewirable switch;
7.1.101.2 non rewirable switch.
7.1.102 According to the means of suspension
7.1.102.1 with means of suspension;
7.1.102.2 without means of suspension.

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7.1 .103 According to the type of cord for which the switch is suitable


7.1.103.1 switches suitable for the connection of round cords;


7.1.103.2 switches only suitable for the connection of flat cords;


7.1.103.3 switches suitable for the connection of both round and flat cords.


8 Marking and documentation


This clause of Part 1 is applicable except as follows:
Table 3 – Switch information
Addition:
Means of information
Common Unique
Characteristic Subclause
No.
type type
reference reference
C.T. U.T.
5 TERMINALS/CONDUCTORS
5.101 If a cord switch is non rewirable, this shall be 7.1.101.2 Do Do
documented.
5.102 If a cord switch is suitable only for use with flat cords, 7.1.103.2 Do Do
this shall be documented.
101 CATEGORY OR TYPE OF APPLIANCE WITH WHICH THE SWITCH MAY BE USED
101.1 Cord switch intended exclusively for controlling Do Do
luminaries.
101.2 Category or type of appliance according to IEC 60335- Do Do
2-17 with which the switch may be used
Addition:
8.101 For cord switches intended exclusively for controlling luminaires, no “OFF”- marking
is required.

9 Protection against electric shock
This clause of Part 1 is applicable except as follows:
9.1 Addition at the end of the subclause:
For cord switches, the test is made when the switch is fitted with cords either of the
smallest or of the largest nominal cross-sectional area specified in Table 4, whichever is
more unfavourable.
9.1.2 Replacement:
9.1.2 If a cover or cover-plate or a fuse can be removed without the use of a tool, the
protection against contact with live parts shall be assured even after removal of the cover
or cover-plate.

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61058-2-1 Ó IEC:2010 – 9 –


If there is a marking outside on the switch showing that a fuse is inside and the cover or

cover-plate has to be removed with a tool the protection against contact with live parts shall

be assured even after removal of the cover or cover-plate.


If there is no marking outside on the switch but the instruction sheet shows that a fuse is

inside and the cover or cover-plate has to be removed with a tool, either the protection

against contact with live parts shall be assured even after removal of the cover or cover-

plate, or the instruction sheet shall state that the disconnection from the supply before

opening shall be performed.


Compliance is checked with the standard test finger, test probe B according to IEC 61032.

Addition:
9.101 Non rewirable switches are tested with the cords as fitted by the manufacturer.
10 Provision for earthing
This clause of Part 1 is applicable except as follows:
10.1 Addition at the end of the subclause:
Terminals provided for earthing continuity are permitted if they are separated from live
parts by basic insulation and from accessible parts by supplementary insulation.
NOTE An example of the insulation system for earthing continuity is given in Figure 105.
10.3 This subclause does not apply.
Addition:
10.101 The printed conductors of printed circuit boards may be used to provide earthing
continuity under the following conditions:
– at least two tracks are used with independent soldering points and the switch complies
with 10.4 for each track;
– the material of the printed circuit board consists of epoxide woven glass fabric copper-
clad laminated sheet;
– the printed conductors withstand the short circuit test according to 23.3.

11 Terminals and terminations
This clause of Part 1 is applicable except as follows:
Replacement:
Table 4 – Resistive current carried by the terminal and related cross-sectional areas
of terminals for unprepared conductors
Resistive current carried by the Flexible conductors
terminal
Cross-sectional areas
2
Terminal
A mm
size
Minimum Medium Maximum
- 0,5 0,75 -
Over 0
and including 3

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– 10 – 61058-2-1 Ó IEC:2010


0,5 0,75 1,0 0
Over 3

and including 6

0,75 1,0 1,5 1
Over 6

and including 16



11.1.2 Not applicable for rewirable cord switches.


12 Construction



This clause of Part 1 is applicable except as follows:
12.1.2 Addition:
– short rigid wires are not regarded as liable to come away from a terminal, if they remain
in position when the terminal screw is loosened.
Addition:
12.1.101 If solder terminals are classified according to 7.2.12, additional provisions for
securing the conductors shall be provided.
12.3.101 Cord switches shall have cord anchorages such that the conductors are relieved
from strain, including twisting, where they are connected to the terminals, and that the
sheath of the cord is protected from abrasion and kept in position.
12.3.102 It shall be clear how the relief from strain and the prevention of twisting is
intended to be effected.
12.3.103 Makeshift methods such as tying the cord into a knot, or tying the ends with
string shall not be used.
12.3.104 Cord anchorages of cord switches shall be of insulating material, or, if of metal,
be insulated from accessible metal parts or accessible insulating surfaces, by insulation
complying with the requirements for supplementary insulation.
12.3.105 For rewirable cord switches the cord anchorages shall be so designed that their
parts do not fall out when the cover of the switch is removed, even if the switches are not
fitted with their cords.

12.3.106 Cord anchorages shall be so designed that
– for any attachment method, the cord is not fixed by penetration of its insulation in such
a way that the insulation of the cord is cut or otherwise significantly damaged;
NOTE A soft deformation of the insulation in such a way that the insulation of the cord is not cut or otherwise
significantly damaged is allowed.
– the cord cannot touch clamping screws of the cord anchorage if these screws are
accessible or electrically connected to accessible metal parts;
– the cord is not clamped by a screw which bears directly on the cord, except where the
screw is made of insulating material;
– for rewirable switches at least one part is securely fixed to the switch;
– for rewirable switches replacement of the cord does not require the use of a special
purpose tool;
– for rewirable switches they are suitable for the different types of cords which may be
connected.

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61058-2-1 Ó IEC:2010 – 11 –


12.3.107 Cord anchorages for rewirable switches shall be so designed and located that

replacement of the cord is easy.


Compliance with the requirements of 12.3.101 to 12.3.107 is checked by inspection and by a

pull test in an apparatus similar to that shown in Figure 101, followed by a torque test in an

apparatus similar to that shown in Figure 104:


– non rewirable switches are tested with the cord as delivered and three new test

specimens shall be used for the tests;

– three new rewirable switches are tested with PVC sheathed cords having the smallest

and largest cross-sectional area as shown in Table 101. Before the test, the free length

of the cord shall be cut to 150 mm ± 5 mm;
– rewirable switches provided with entries specially designed for the connection of PVC
insulated flat cords (IEC 60227) are tested with flat cords only.
Table 101 – Rated currents for resistor loads and related type of cords
Rated current Types of cord
Overall diameter
Nominal cross-
for resistor according to
Number of
section
load IEC 60227
cores
2
Minimum Maximum
mm
A fl = flat
mm mm
52
0,5 4,8 6,0
52 (fl)
2
52 5,2 6,4
0,75
Over 0,2
52 (fl)
3,2 ´ 5,2 3,9 ´ 6,4
and including 3
0,5 52 5,0 5,2
3
0,75 52 5,4 6,8
52 5,2 6,4
52 (fl) 3,2 ´ 5,2 3,9 ´ 6,4
2 0,75
53 6,0 7,6
53 (fl) 3,8 ´ 6,0 5,2 ´ 7,6
53 5,9 7,5
2 1
Over 3
53 (fl) 3,9 ´ 6,2 4,7 ´ 7,5
and including 6
52 5,4 6,8
3 0,75
53 6,4 8,0
0,75 53 7,6 9,4
4
1,0 53 7.6 9,4
52 5,2 6,4

52 (fl) 3,2 ´ 5,2 3,9 ´ 6,4
0,75
53 6,0 7,6
53 (fl)
3,8 ´ 6,0 5,2 ´ 7,6
2
1,0 53 6,4 8
1,5 53 7,4 9,0
Over 6
and
52 5,4 6,8
0,75
inc
...