SIST EN IEC 60669-2-3:2026

SLOVENSKI STANDARD
oSIST prEN IEC 60669-2-3:2023
01-januar-2023
Stikala za gospodinjstva in podobne nepremične električne inštalacije - 2-3. del:
Posebne zahteve - Stikala s časovno zakasnitvijo (TDS)
Switches for household and similar fixed electrical installations - Part 2-3: Particular
requirements - Time-delay switches (TDS)
Interrupteurs pour installations électriques fixes domestiques et analogues - Partie 2-3:
Exigences particulières - Interrupteurs temporisés (minuteries)
Ta slovenski standard je istoveten z: prEN IEC 60669-2-3:2022
ICS:
29.120.40 Stikala Switches
oSIST prEN IEC 60669-2-3:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN IEC 60669-2-3:2023
oSIST prEN IEC 60669-2-3:2023
23B/1431/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60669-2-3 ED4
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2022-11-25 2023-02-17
SUPERSEDES DOCUMENTS:
23B/1380/CD, 23B/1396A/CC
IEC SC 23B : PLUGS, SOCKET-OUTLETS AND SWITCHES
SECRETARIAT: SECRETARY:
Italy Mr Cristiano Masini
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

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:
Switches for household and similar fixed electrical installations - Part 2-3: Particular
requirements - Time-delay switches (TDS)

PROPOSED STABILITY DATE: 2030
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
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for any other purpose without permission in writing from IEC.

oSIST prEN IEC 60669-2-3:2023
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1 CONTENTS
2 FOREWORD. 3
4 1 Scope . 5
5 2 Normative references . 5
6 3 Terms and definitions . 6
7 4 General requirements . 7
8 5 General notes on tests . 7
9 6 Ratings . 8
10 7 Classification . 8
11 8 Marking . 9
12 9 Checking of dimensions . 10
13 10 Protection against electric shock . 10
14 11 Provision for earthing. 10
15 12 Terminals . 10
16 13 Constructional requirements . 10
17 14 Mechanism . 11
18 15 Resistance to ageing, protection provided by enclosures of switches and
19 resistance to humidity . 11
20 16 Insulation resistance and electric strength . 11
21 17 Temperature rise . 11
22 18 Making and breaking capacity . 12
23 19 Normal operation . 12
24 20 Mechanical strength . 14
25 21 Resistance to heat . 14
26 22 Screws, current-carrying parts and connections. 14
27 23 Creepage distances, clearances and distances through sealing compound . 14
28 24 Resistance of insulating material to abnormal heat, to fire and to tracking . 16
29 25 Resistance to rusting . 16
30 26 EMC requirements . 16
31 101 Abnormal operation of the control circuit . 16
33 Bibliography      XX
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36 INTERNATIONAL ELECTROTECHNICAL COMMISSION
37 ____________
39 SWITCHES FOR HOUSEHOLD AND SIMILAR FIXED
40 ELECTRICAL INSTALLATIONS –
42 Part 2-3: Particular requirements –
43 Time-delay switches (TDS)
46 FOREWORD
47 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
48 all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
49 co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
50 in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
51 Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
52 preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
53 may participate in this preparatory work. International, governmental and non-governmental organizations liaising
54 with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
55 Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
56 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
57 consensus of opinion on the relevant subjects since each technical committee has representation from all
58 interested IEC National Committees.
59 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
60 Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
61 Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
62 misinterpretation by any end user.
63 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
64 transparently to the maximum extent possible in their national and regional publications. Any divergence between
65 any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the lat ter.
66 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment
67 declared to be in conformity with an IEC Publication.
68 6) All users should ensure that they have the latest edition of this publication.
69 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
70 members of its technical committees and IEC National Committees for any personal injury, property damage or
71 other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
72 expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
73 Publications.
74 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
75 indispensable for the correct application of this publication.
76 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
77 rights. IEC shall not be held responsible for identifying any or all such patent rights.
78 International Standard IEC 60669-2-3 has been prepared by subcommittee 23B: Plugs, socket-
79 outlets and switches, of IEC technical committee 23: Electrical accessories.
80 This fourth edition cancels and replaces the third edition published in 2006 of which it
81 constitutes a technical revision.
82 This edition includes the following significant technical changes with respect to the previous
83 edition:
84 Revision of the present edition with reference to IEC 60669-1:2017 Edition 4;
85 − Introduction a new Annex E “Additional requirements and tests for switches intended
86 to be used at a temperature lower than −5 °C”
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90 This part of IEC 60669-2 is to be used in conjunction with IEC 60669-1. It lists the changes
91 necessary to convert that standard into a specific standard for time-delay switches.
92 In this publication, the following print types are used:
93 – requirements proper: in roman type;
94 – test specifications: in italic type;
95 – notes: in smaller roman type.
96 Subclauses, figures or tables which are additional to those in part 1 are numbered starting from
97 101.
98 A list of all parts of IEC 60669 series, under the general title Switches for household and similar
99 fixed-electrical installations, can be found on the IEC website.
100 The committee has decided that the contents of this publication will remain unchanged until the
101 maintenance result date indicated on the IEC web site under “http://webstore.iec.ch” in the data
102 related to the specific publication. At this date, the publication will be
103 • reconfirmed;
104 • withdrawn;
105 • replaced by a revised edition, or
106 • amended.
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108 SWITCHES FOR HOUSEHOLD AND SIMILAR FIXED
109 ELECTRICAL INSTALLATIONS –
111 Part 2-3: Particular requirements –
112 Time-delay switches (TDS)
116 1 Scope
117 This clause of part 1 is applicable except as follows:
118 Replacement of the first paragraph by:
119 This part of IEC 60669 applies to time-delay switches (hereinafter referred to as TDS) with a
120 rated voltage not exceeding 440 V AC and a rated current not exceeding 63 A, intended for
121 household and similar fixed electrical installations, either indoors or outdoors, operated by hand
122 and/or by remote control. For the control circuit, the rated control voltage does not exceed 440
123 V AC or 220 V DC.
124 TDS are provided with a time-delay device operated by mechanical, thermal, pneumatic,
125 hydraulic or electrical means or by a combination of them.
126 Electronic TDS are within the scope of IEC 60669-2-1.
127 TDS including only passive components such as resistors, capacitors, PTC and NTC
128 components and printed circuit boards are not considered to be electronic TDS.
129 2 Normative references
130 This clause of part 1 is applicable with the following additions:
131 IEC 60317, Specifications for particular types of winding wires
132 IEC 60445:2021, Basic and safety principles for man-machine interface, marking and
133 identification – Identification of equipment terminals and of terminations of certain designated
134 conductors, including general rules for an alphanumerical system
136 IEC 60664-1:2020, Insulation coordination for equipment within low-voltage systems – Part
137 1:Principles, requirements and tests
139 IEC 60664-3: 2016, Insulation coordination for equipment within low-voltage systems - Part 3: Use of
140 coating, potting or moulding for protection against pollution
142 IEC 60669-1:2017, Switches for household and similar fixed electrical installations –
143 Part 1: General requirements
144 IEC 60669-2-1:2021, Switches for household and similar fixed-electrical installations –
145 Part 2-1: Particular requirements – Electronic control devices
146 IEC 61558-2-6:2021, Safety of transformers, reactors, power supply units and combination of
147 thereof– Part 2-6: Particular requirements and tests for safety isolating transformers and power
148 supply units incorporating safety isolating transformers for general applications
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150 3 Terms and definitions
151 This clause of part 1 is applicable with the following modifications:
152 3.8
153 thread-cutting screw
154 Addition of the following note:
155 Note to entry: This definition is only applicable to the switching circuit.
156 3.9
157 mechanical time-delay device
158 Addition of the following note:
159 Note to entry: This definition is only applicable to the switching circuit.
160 Addition of the following new definitions:
161 3.101
162 time-delay switches
163 TDS
164 switch provided with a time-delay device which operates for a certain time (the delay time). It
165 may be either manually actuated and/or remotely electrically initiated
166 3.101.1
167 electronic TDS
168 TDS containing electronic component(s)
169 3.102
170 rated control voltage
171 voltage assigned to the control circuit by the manufacturer
172 3.103
173 switching circuit
174 circuit which contains the parts which allow the rated current to flow through the TDS
175 3.104
176 control circuit
177 circuit which includes electrical parts to control the switching circuit in an electrically controlled
178 TDS
179 3.105
180 control mechanism
181 all the parts which are intended for the operation of the TDS
182 3.106
183 incorporated hand-operated device
184 device incorporated in the switch which allows the switching circuit to be operated, directly or
185 indirectly. This device is not intended for the normal operation of the TDS
186 3.107
187 delay time
188 period during which the switching circuit(s) is (are) kept closed. Any time taken for the
189 decreasing of the voltage (e.g. to reduce the light) at the end of the delay period is included
190 within the delay time
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192 3.108
193 delay device
194 all components which have an influence on the delay time. The delay device is energized by
195 means of an impulse into the control circuit in an electrically controlled TDS. The delay time
196 may be adjustable
197 3.109
198 disconnectable TDS
199 TDS consisting of two parts, the first being used as a base and including the terminals, the
200 other being removable and including the switching and the control circuits, the two parts being
201 resiliently connected together using a means which allows joining and/or separating with or
202 without the use of a tool
203 4 General requirements
204 This clause of part 1 is applicable with the following addition:
205 Addition after the first paragraph:
206 The operation of a TDS shall not be impaired when it is mounted at an angle deviating by not
207 more than 5° from the specified position of use.
208 5 General remarks on tests
209 This clause of part 1 is applicable with the following additions:
210 Addition to Table 1
211 : Table 1 – Number of specimens needed for the tests
Number of
additional
Number
Clauses and subclauses specimens for
of specimens
dual current
rating
101 Abnormal operation of the control circuit PQR
213 Addition of the following subclauses:
214 5.101 Incorporated hand-operated device
215 If a TDS is provided with an incorporated hand-operated device, actuating the switching circuit
216 directly, it shall be tested as specified in 19.101.
217 5.102 Operated by hand
218 For a TDS operated by hand, the requirements relating to the control voltage do not apply.
219 5.103 Control and switching circuits without common point
220 In the case of a TDS for which the control and the switching circuits have no common point, the
221 test is made with the circuits supplied with the rated voltages which are specified in this
222 standard.
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223 6 Ratings
224 This clause of part 1 is applicable except as follows:
225 6.1 Rated voltage
226 Replacement:
227 Preferred values of rated voltage are:
228 – AC: 6 V, 8 V, 9 V, 12 V, 24 V, 42 V, 48 V, 110 V, 130 V, 220 V, 230 V and 240 V;
229 Note These rated voltages are aligned with the rated control voltages specified in 6.101 to simplify the tests on
230 TDS having a common point between the control and switching circuits.
231 Addition of the following subclause:
232 6.101 Rated control voltage
233 Preferred values of rated control voltage are:
234 – AC: 6 V, 8 V, 9 V, 12 V, 24 V, 42 V, 48 V, 110 V, 130 V, 220 V, 230 V and 240 V;
235 – DC: 6V, 9 V, 12 V, 24 V, 48 V, 60 V, 110 V and 220 V.
236 7 Classification
237 This clause of part 1 is applicable except as follows:
238 7.1.  according to the possible connections (see Figure 8 of IEC 60669-1):
239 Replacement:
Pattern
number
single-pole switches 1
double-pole switches 2
three-pole switches 3
three-pole plus switched neutral switches 03
two-way switches 6
243 7. 5 according to the method of actuating a switch
244 Addition of the following:
245 – time-delay switches (TDS):
246 • manually operated;
247 • remotely operated;
248 • manually and remotely operated.

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249 Note The above methods of operation can be combined with a complementary method of operation allowing
250 permanent on and/or permanent off. These possibilities are given by a complementary device acting either directly
251 on the switching circuit, or on the control circuit.
252 7. 7 according to the method of installation, as a consequence of the design of the switch
253 Addition of the following:
254 – disconnectable TDS;
255 Addition of the following subclause:
256 7.1.101 According to the type of control mechanism:
257 – mechanical;
258 – thermal;
259 – pneumatic;
260 – hydraulic;
261 – electrical;
262 – combination(s) of the above.
263 8 Marking
264 This clause of part 1 is applicable with the following additions:
265 8.1 General
266 Replacement of b)
267 b) rated voltage(s) in volts and rated control voltage(s) in volts, if different from the rated
...