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IEC 60669-2-1
Edition 5.0 2021-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Switches for household and similar fixed electrical installations –
Part 2-1: Particular requirements – Electronic control devices
Interrupteurs pour installations électriques fixes domestiques et analogues –
Partie 2-1: Exigences particulières – Dispositifs de commande électronique
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IEC 60669-2-1
Edition 5.0 2021-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Switches for household and similar fixed electrical installations –
Part 2-1: Particular requirements – Electronic control devices
Interrupteurs pour installations électriques fixes domestiques et analogues –
Partie 2-1: Exigences particulières – Dispositifs de commande électronique
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.120.40 ISBN 978-2-8322-9179-5
– 2 – IEC 60669-2-1:2021 © IEC 2021
CONTENTS
FOREWORD . 6
1 Scope . 8
2 Normative references . 9
3 Terms and definitions . 11
4 General requirements . 15
5 General remarks on tests . 15
6 Ratings . 18
7 Classification . 18
8 Marking . 20
9 Checking of dimensions . 23
10 Protection against electrical shock . 23
11 Provision for earthing . 26
12 Terminals . 26
13 Constructional requirements . 27
14 Mechanism . 29
15 Resistance to ageing, protection provided by enclosures of switches and
resistance to humidity . 29
16 Insulation resistance and electric strength . 29
17 Temperature rise . 31
18 Making and breaking capacity . 35
19 Normal operation . 37
20 Mechanical strength . 44
21 Resistance to heat . 45
22 Screws, current-carrying parts and connections . 45
23 Creepage distances, clearances and distances through sealing compound . 45
24 Resistance of insulating material to abnormal heat, to fire and to tracking . 52
25 Resistance to rusting . 52
26 EMC requirements . 52
101 Abnormal conditions . 62
102 Components . 67
103 Electromagnetic fields (EMF) . 71
Annex A (normative) Replacement of title to Annex A as follows: Additional
requirements for electronic control devices having facilities for the outlet and retention
of flexible cables . 76
Annex B (informative) Changes planned for the future in order to align IEC 60669-1
with the requirements of IEC 60998 (all parts), IEC 60999 (all parts) and IEC 60228 . 77
Annex C (informative) Circuit development (19.3) . 78
Annex D (informative) Additional requirements for insulation-piercing terminals . 79
Annex E (informative) Additional requirements and tests for switches intended to be
used at a temperature lower than −5 °C . 80
Annex AA (informative) Examples of types of electronic switches or HBES/BACS
switches and their functions . 85
Annex BB (informative) Circuit development: 19.106 explained . 86
Annex CC (normative) Additional requirements for electronic control devices using
DLT-technology in accordance with IEC 62756-1 . 91
Annex DD (informative) Test set-ups . 93
Annex EE (informative) Electrical interface specification for phase-cut dimmer in
phase-cut dimmed lighting systems . 100
Annex FF (normative) Requirements for electronic RCS and electronic TDS that
provide the function, markings and connection configuration in accordance with
IEC 60669-2-2 and IEC 60669-2-3 . 131
Bibliography . 136
Figure 101 – Protective separation between circuits . 47
Figure 102 – Current path tested in the looping through circuit . 72
Figure 103 – Circuit diagram for testing electronic switches and HBES/BACS switches
according to 17.101 and 101.4 . 72
Figure 104 – Minimum creepage and clearances on printed circuit boards . 73
Figure 105 – Surge test . 74
Figure BB.1 – 120 V 15 W (LT spice model) . 87
Figure BB.2 – 230 V 15 W (LT spice model) . 88
Figure BB.3 – Model for multiple lamp loads . 89
Figure BB.4 – I and I t for multiple lamp loads . 90
peak
Figure DD.1 – Test setup for AC mains connection according to IEC 61000-4-4. 93
Figure DD.2 – Test setup for bus and DC mains connection according to
IEC 61000-4-4 . 94
Figure DD.3 – Test setup for AC mains connection according to IEC 61000-4-5. 95
Figure DD.4 – Test setup for bus and DC mains connection according to
IEC 61000-4-5 . 96
Figure DD.5 – Test setup for the ESD according to IEC 61000-4-2 . 97
Figure DD.6 – Test setup for AC mains connection according to IEC 61000-4-6. 98
Figure DD.7 – Test setup for bus and DC mains connection according to
IEC 61000-4-6 . 99
Figure EE.1 – Example of wiring diagram . 103
Figure EE.2 – Timing
...