IEC 60669-2-1:2002/AMD1:2008

IEC 60669-2-1
Edition 4.0 2008-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Switches for household and similar fixed electrical installations –
Part 2-1: Particular requirements – Electronic switches

Interrupteurs pour installations électriques fixes domestiques et analogues –
Partie 2-1: Prescriptions particulières – Interrupteurs électroniques

IEC 60669-2-1:2002/A1:2008
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IEC 60669-2-1
Edition 4.0 2008-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Switches for household and similar fixed electrical installations –
Part 2-1: Particular requirements – Electronic switches

Interrupteurs pour installations électriques fixes domestiques et analogues –
Partie 2-1: Prescriptions particulières – Interrupteurs électroniques

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
P
CODE PRIX
ICS 29.120.40 ISBN 978-2-88910-245-7
– 2 – 60669-2-1 Amend. 1 © IEC:2008
FOREWORD
This amendment has been prepared by subcommittee 23B: Plugs, socket-outlets and
switches, of IEC technical committee 23: Electrical accessories.
The text of this amendment is based on the following documents:
FDIS Report on voting
23B/894/FDIS 23B/907/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the maintenance result 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• withdrawn,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.
____________
Page 11
1 Scope
Replace the beginning of the third paragraph of the Replacement by the following:
The operation and/or control as mentioned…
Replace the fourth paragraph of the Replacement by the following:
This standard also applies to general purpose electronic switches with included automatic
functions where the operation and/or the control is initiated by a change of a physical
quantity, for example light, temperature, humidity, time, wind velocity, presence of persons,
etc.
Add the following after the fifth paragraph of the Replacement:
This standard also applies to electronic RCS and electronic TDS with a rated voltage not
exceeding 440 V and a rated current not exceeding 25 A, intended for household and similar
fixed electrical installations, either indoors or outdoors.
NOTE 1 Switches including only passive components such as resistors, capacitors, inductors, PTC and NTC
components, varistors, printed wiring boards and connectors are not considered as electronic switches.
NOTE 2 Electronic switches may have control circuits with a.c. or d.c. rated control voltages.
Renumber NOTES 1 and 2 as NOTES 3 and 4.

60669-2-1 Amend. 1 © IEC:2008 – 3 –
Page 13
2 Normative references
Add the following standards to the existing list:
IEC 60317 (all parts), Specifications for particular types of winding wires
IEC 60664-1:2007, Insulation coordination for equipment within low-voltage systems –
Part 1: Principles, requirements and tests
IEC 60664-3, Insulation coordination for equipment within low-voltage systems – Part 3: Use
of coating, potting or moulding for protection against pollution
IEC 60669-2-2:2006, Switches for household and similar fixed electrical installations –
Part 2-2: Particular requirements - Electromagnetic remote-control switches (RCS)
IEC 60669-2-3:2006, Switches for household and similar fixed electrical installations –
Part 2-3: Particular requirements - Time-delay switches (TDS)
IEC 60998-2-1, Connecting devices for low-voltage circuits for household and similar
purposes - Part 2-1: Particular requirements for connecting devices as separate entities with
screw-type clamping units
IEC 61558-2-6, Safety of power transformers, power supply units and similar –
Part 2: Particular requirements for safety isolating transformers for general use

Page 15
3 Definitions
Add, on page 17, the following new definitions:
3.112
RCS
remote controlled switch
switch intended to be operated from a distance
3.112.1
electromagnetic RCS
RCS provided with a coil which is operated by means of impulses or which may be
permanently energized by means of a control circuit
NOTE These devices are covered by IEC 60669-2-2.
3.112.2
electronic RCS
electronic switch providing the function, markings and connection configuration of an RCS
according to IEC 60669-2-2, but containing electronic components and/or a combination of
electronic components and a coil or coils, which is operated by means of an electronic
extension unit or units
NOTE This electronic RCS may for example be used as a look alike replacement for RCS according to
IEC 60669-2-2.
– 4 – 60669-2-1 Amend. 1 © IEC:2008
3.113
rated control voltage
the voltage assigned to the external control circuit by the manufacturer
3.114
switching circuit
the circuit which contains the parts which allow the rated current to flow through the RCS or
TDS
3.115
control circuit
the circuit which includes electrical parts to actuate the switching mechanism
3.116
control mechanism
mechanism which includes all the parts which are intended for the operation of the RCS or
TDS
3.117
incorporated hand-operated device
device incorporated in the switch which allows the switching circuit to be operated, directly or
indirectly. This device is not intended for the normal operation of the RCS or TDS
3.118
rated control current
current required for the initiation of the electronic RCS assigned to the control circuit by the
manufacturer
3.119
bistable electronic RCS
electronic RCS containing a control mechanism which, when not initiated electrically or
actuated mechanically, remains stable in its operating position and will change its operating
position on initiation or actuation
3.120
monostable electronic RCS
electronic RCS containing a control mechanism which, on electrical initiation or mechanical
actuation, changes the operating position of the switch which remains in this condition while
the electronic RCS is initiated or actuated, and returns to the position prior to initiation or
actuation of the electronic RCS after initiation or actuation is discontinued
3.121
priority electronic RCS
electronic RCS used to operate directly or indirectly a first load circuit or group of load circuits
the use of which at times can be dispensed with, and where the control circuit of the
electronic RCS is influenced by or connected to a second circuit or group of circuits (priority
or circuits) which when energized will thus initiate the control circuit of the electronic RCS to
de-energize the first load circuit or circuits for the time during which the second circuit or
group of circuits is energized
NOTE The electronic RCS may have a means for adjusting the sensitivity of the electronic RCS control circuit to
initiate the electronic RCS depending on the total load or current delivered to any part of the circuits (priority switch
with current coil) or be sensitive to the voltage (priority switch with voltage coil) applied to the second load or group
of loads.
60669-2-1 Amend. 1 © IEC:2008 – 5 –
3.122
TDS
time delayed switch
switch provided with a time-delay device which operates for a certain time (the delay time). It
may be either manually actuated and/or remotely electrically initiated
3.123
electronic TDS
electronic switch providing the function, markings and connection configuration of a TDS
according to IEC 60669-2-3, but containing electronic components
NOTE This electronic TDS may for example be used as a look alike replacement for TDS according to IEC 60669-
2-3.
3.124
delay time
period during which the switching circuit(s) is (are) kept closed. Any time taken for the
decreasing of the voltage (e.g. to reduce the light) at the end of the delay period is included
within the delay time
3.125
delay device
all components which have an influence on the delay time. The delay time may be adjustable

Page 17
5 General notes on tests
5.4 Replace Table 101 by the following new Table 101:
Table 101 – Number of specimens
Additional specimens for clause or subclause
Number for
Type of electronic
general
18.2 19.101 19.102 24 26 101 and
switch
tests
Marked with one rated
current and
c
a a a
− one rated voltage 3 3 3 3 3 3 3
a a a b,c
6 6 6 6 6 6 6
− two rated voltages
a
Only for electronic switches with mechanical and electromechanical switching devices; only the complete contact
mechanism may be submitted.
b
It may be necessary to provide three additional specimens for the test of 101.3.
c
When the tests of Clause 26 have been passed successfully, the specimens can be used for these tests.

On page 19, add the following new subclauses:
5.105 If an electronic RCS or electronic TDS is provided with an incorporated hand-operated
device, it shall be tested as specified in Clause 19.

– 6 – 60669-2-1 Amend. 1 © IEC:2008
NOTE 1 During the making and breaking capacity tests and the normal operation tests, switching at the same
phase angle should be avoided, as this may give misleading results.
NOTE 2 Precautions should be taken when using combinations equipped with synchronous motors and similar
operating devices.
5.106 In the case of an electronic TDS for which the control and the switching circuits have
no common point, the test is made with the circuits supplied with the rated voltages which are
declared by the manufacturer.
6 Rating
Add the following new Addition:
Addition:
For electronic RCS, Clause 6 of IEC 60669-2-2 is applicable.
For electronic TDS, Clause 6 of IEC 60669-2-3 is applicable.

7 Classification
7.1.1 Add the following new Addition:
Addition:
For electronic TDS, Subclause 7.1.1 of IEC 60669-2-3 applies.
7.1.5 Add the following new Addition:
Addition:
For electronic RCS, Subclause 7.1.5 of IEC 60669-2-2 is applicable.
For electronic TDS, Subclause 7.1.5 of IEC 60669-2-3 is applicable.
On page 21, add the following new subclauses:
7.101 For electronic RCS, Subclause 7.101 of IEC 60669-2-2 is applicable.
7.102 For electronic RCS, Subclause 7.102 of IEC 60669-2-2 is applicable.
7.103 Electronic RCS or electronic TDS having a SELV- or PELV-circuit.

60669-2-1 Amend. 1 © IEC:2008 – 7 –
8 Marking
8.1 On page 23, add after the last paragraph the following new paragraph:
For general purpose electronic switches with included automatic function the number of
operations shall be stated in the accompanying instruction sheet when the manufacturer
declares the number of operations is higher than indicated in Subclauses 19.101, 19.102 and
19.104.
In addition,
– for electronic RCS, Subclause 8.1 of IEC 60669-2-2 applies;
– for electronic TDS, Subclause 8.1 of IEC 60669-2-3 applies.
8.2 Add the following new paragraph:
In addition,
– for electronic RCS, Subclause 8.2 of IEC 60669-2-2 applies;
– for electronic TDS, Subclause 8.2 of IEC 60669-2-3 applies.
8.3 Replace the first dashed text by the following:
– the rated current or rated load, rated voltage, symbol for nature of supply, rated frequency
(if required by 8.1), at least one type of load, the rating and type of any incorporated fuse
(this shall be marked on the fuse-holder or in the proximity of the fuse),

Page 25
8.4 Add the following new paragraph:
In addition,
– for electronic RCS, Subclause 8.4 of IEC 60669-2-2 applies;
– for electronic TDS, Subclause 8.4 of IEC 60669-2-3 applies.

Page 27
10 Protection against electric shock
10.1 Renumber the first note as “NOTE 1”.
Replace the second note by the following:
NOTE 2 For the purposes of this standard, parts connected to a supply operating at SELV with a voltage up to
and including 25 V a.c. or 60 V d.c. ripple free are not considered to be hazardous live parts.

– 8 – 60669-2-1 Amend. 1 © IEC:2008
Page 31
12 Terminals
12.1 Add the following new Additions:
rd
Addition after the 3 paragraph:
Terminals having screw clamping which are in compliance with IEC 60998-2-1 can be used.
Addition after the last paragraph:
Terminals having screw clamping complying with IEC 60998-2-1 are considered to be in
compliance with the requirements and tests of Subclause 12.2, except those of 12.2.6 and
12.2.7 and 12.2.8, provided they are chosen according to Table 2.
12.2 Add the following new Addition:
Addition to note 2 of Table 2:
This requirement may be achieved using terminal(s) with two separate clamping units.

13 Constructional requirements
Replace Subclause 13.5 by the following:
13.5 Replacement:
Knobs of electronic switches shall be securely fixed in a reliable manner so that they will not
work loose in normal use, if loosening may result in a hazard.
If knobs are used to indicate the position of electronic switches, it shall not be possible to fix
them in a wrong position, if this may result in a hazard.
Compliance is checked by inspection and by the following tests.
Where it is possible to apply an axial pull in normal use, an axial pull shall be applied for 1
min to try to pull off the knob.
The pull force to be applied is normally 15 N, but if the knob is intended to be pulled in normal
use this is increased to 30 N.
An axial push of 30 N for 1 min is then applied to all knobs.
During and after these tests, the electronic switch shall show no damage, nor shall a knob
have moved so as to impair compliance with this standard.
NOTE Sealing compound and the like, other than self-hardening resins are not considered to be adequate to
prevent loosening.
60669-2-1 Amend. 1 © IEC:2008 – 9 –
13.15.1 Replace the 5th paragraph by the following:
The electronic switches are then placed for 2 h in a heating cabinet as described in 15.1, the
± 2) °C.
temperature being maintained at (40
13.103 Replace this subclause by the following new subclause:
13.103 For electronic TDS, Subclause 13.101 of IEC 60669-2-3 applies.

Page 35
14 Mechanism
Add the following new subclause:
14.101 For electronic RCS, Subclause 14.101 of IEC 60669-2-2 applies.
For electronic TDS, Subclause 14.101 of IEC 60669-2-3 applies.

16 Insulation resistance and electric strength
Add the following:
Addition to Table 14:
9 Between switching circuit(s) and control circuit(s) if
5 2 000 3 000
they are electrically separated
10 Between SELV/PELV circuits and other circuit(s)
7 2 500 3 750
having a higher voltage than SELV/PELV
11 Between two SELV/PELV circuits 5 500 500

17 Temperature rise
On page 37, add the following after NOTE 1:
For electronic TDS, Subclause 17.1 of IEC 60669-2-3 is applicable.
Replace the paragraph after NOTE 4 by the following:
The cables connected to the electronic switch shall enter through the top of the box, the
point(s) of entry being sealed to prevent the circulation of air. The length of each conductor
within the box shall be (80 ± 10) mm.

– 10 – 60669-2-1 Amend. 1 © IEC:2008
Page 41
18 Making and breaking capacity
On page 43, add the following before 18.1:
For electronic RCS, Clause 18 of IEC 60669-2-2 applies.
18.1 Add the following new Addition:
Addition:
nd
For electronic TDS, Subclause 18.1, 2 paragraph, of IEC 60669-2-3 applies at the following
conditions:
For electronic TDS whose rate of operation is limited by their application (for example, heat or
light sensors), the rate of operation is as follows. The electronic TDS is set to the shortest
cycle time possible. The electronic switch is re-activated at the end of each cycle within a time
of (2 ± 0,5) s.
All other electronic TDS are subjected to 200 operations at a uniform rate of
– 30 operations per minute if the rated current does not exceed 10 A;
– 15 operations per minute if the rated current exceeds 10 A but is less than 25 A;
– 7,5 operations per minute if the rated current is 25 A or more.

Page 45
19 Normal operation
Add the following after the second paragraph:
For general purpose electronic switches with included automatic function the number of
operations for tests of Subclauses 19.101, 19.102 and 19.104 is that specified in the relevant
subclause. If a manufacturer declares a number of operations higher than those indicated in
the relevant subclause, the tests shall be made according to the declared value.
NOTE For the purpose of this test, the manufacturer can provide the specimens with a special circuit that
simulates the automatic operations.
Add the following after the third paragraph:
For electronic RCS, Subclause 19.1 of IEC 60669-2-2 applies.
For electronic TDS, Subclause 19.1 of IEC 60669-2-3 applies.

60669-2-1 Amend. 1 © IEC:2008 – 11 –
Page 47
19.101 Replace the 6th and 7th paragraphs by the following:
For rotary electronic switches intended to be operated in either direction, the actuating
member is turned in one direction for half the total number of operations and in the reverse
direction for the remainder.
Replace the last paragraph by the following:
Contact mechanisms incorporated in electronic switches intended for motor speed control
circuits are tested as above, but they close a circuit through which a current of 6 × I (cos ϕ =
n
0,65 ± 0,05) passes and open a circuit through which a current of I (cos ϕ = 0,65 ± 0,05)
n
passes, the ratio between recovery voltage U and rated operational voltage U being 1,00
s e
(±10 %).
19.102 Add the following after the first paragraph:
This is not applicable to dimmers for step-down converters as these accessories are tested
according to 19.101.
Page 49
19.104 Modify the text of the NOTE into a normative paragraph.
Add the following new subclauses:
19.106 For electronic RCS, Subclause 19.101 of IEC 60669-2-2 applies.
For electronic TDS, Subclause 19.101 of IEC 60669-2-3 applies.
19.107 For electronic TDS, Subclause 19.102 of IEC 60669-2-3 applies.
19.108 For electronic TDS, Subclause 19.103 of IEC 60669-2-3 applies.

Page 51
23 Creepage distances, clearances and distances through sealing compound
Add the following new Addition:
Addition of the following items to Table 20:

– 12 – 60669-2-1 Amend. 1 © IEC:2008

Creepage distances
a) b)
101 For creepage distances across which nominal voltages up to 50 V a.c. or d.c. occur , and which
voltages are generated in a circuit by supply from a safety isolating transformer according to
IEC 61558-2-6 or by a supply equivalently separated from the mains supply
– on printed wiring material - pollution degree 1: 0,025
– on printed wiring material - pollution degree 2 0,04
– on other insulating material- across insulating material of Material Group I 0,6
– on other insulating material - across insulating material of Material Group II 0,85
– on other insulating material - across insulating material of Material Group III 1,2
Clearance distances
a)
102 For clearance distances across which nominal functional voltages up to 50 V a.c. or d.c. occur , and
which voltages are generated in a circuit by supply from a safety isolating transformer according to
IEC 61558-2-6 or by a supply equivalently electrically separated from the mains supply in an equally
effective manner:
– pollution degree 1: 0,1 mm
– pollution degree 2: 0,2 mm
NOTE 1 The values for the clearances are based on IEC 60664-1, Table F.2, using as input
– the rated impulse voltage of 800 V derived from IEC 60664-1, Table F.1, for a line to neutral voltage of 50 V a.c. or
d.c. and overvoltage category III and Case A (inhomogeneous field),
– pollution degrees 1 and 2.
The values for creepages are based on IEC 60664-1 Table F.4 with the input of voltage rationalized for Table F.4 of 50
V r.m.s from IEC 60664-1 Table F.3a for a nominal voltage of the supply system of 50 V.
NOTE 2 For the definition of nominal voltage, see IEV 601-01-21.
a)
For the purposes of this standard the following applies (taken from IEC 60664-1):
Micro-environment: the immediate environment of the insulation which particularly influences the dimensioning of
creepage distances (IEC 60664-1)
Pollution degree: a numeral characterizing the expected pollution of the micro-environment (IEC 60664-1)
Pollution degree 1: no pollution or only dry, non-conductive pollution occurs. The pollution has no influence.
On printed wiring boards of RCS, it is acceptable to use pollution degree 1 if the printed wiring board is protected
against any occurrence of condensation and deposition of conductive, hydroscopic, or soluble dust. This usually can be
achieved only if the printed wiring board and/or circuits are coated and the coating complies with the specifications of
IEC 60664-3 and an additional encapsulation, or by sealing of the whole printed wiring board assembly by a protective
coating.
Pollution degree 2: only non-conductive pollution occurs except that occasionally a temporary conductivity caused by
condensation is to be expected (see IEC 60664-1).
On printed wiring boards of RCS, it is acceptable to use pollution degree 2, if the printed wiring board and/or circuit is
coated and the coating complies with the specifications of IEC 60664-3.
This standard classifies insulating materials according to their PTI values into four groups:
Material Group I 600 ≤ PTI
Material Group II 400 ≤ PTI < 600
Material Group IIIa 175 ≤ PTI < 400
Material Group IIIb 100 ≤ PTI < 175
Material Group III includes Material Group IIIa and Material Group IIIb
A material shall be included in one of the four groups above on the basis that its PTI, established by the method of
IEC 60112 using solution A is equal or greater than the lower value specified for the group.
b)
Values of creepage distances for printed wiring boards are given for pollution degrees 1 and 2. For other insulating
materials only the values for creepage distances for pollution degree 2 are allowed.

60669-2-1 Amend. 1 © IEC:2008 – 13 –
Replace in Note 1 and Note 2 of IEC 60669-2-1 the words “current-limiting device” by
“current-limiting means”.
Add the following new subclauses:
23.101 For electronic switches having a control circuit suitable for connection to a SELV
supply, the switching circuit being supplied with a voltage greater than the SELV, creepage
distances and clearances between control and switching circuits shall not be less than
5,5 mm.
In case of electronic RCS and electronic TDS classified according to 7.103, see the relevant
requirements in IEC 60669-2-2 and IEC 60669-2-3 for clearance and creepage distances
between SELV and mains.
23.102 If the enamel of the wire is at least grade 1 according to the IEC 60317 series, the
clearances between the wire of the control coil, the live parts of different polarity and exposed
conductive parts may be reduced to a value equal to two-thirds of the clearances required in
the absence of enamel.
26 EMC requirements
26.1.1 Voltage dips and short interruptions
On page 55, add the following after the last paragraph:
After the test, the general purpose electronic switch with included automatic functions shall
operate as intended.
26.1.2 Surge immunity test for 1,2/50 wave impulses
Add the following after the last paragraph:
After the test, the general purpose electronic switch with included automatic functions shall
operate as intended.
26.1.3 Electrical fast transient/burst test
On page 57, add the following after the last paragraph:
After the test, the general purpose electronic switch with included automatic functions shall
operate as intended.
26.1.4 Electrostatic discharge test
Add the following after the last paragraph:
After the test, the general purpose electronic switch with included automatic functions shall
operate as intended.
– 14 – 60669-2-1 Amend. 1 © IEC:2008
Page 59
26.1.5 Radiated electromagnetic field test
Add the following sentence to the 5th paragraph:
Flickering of lamps or irregular running of motors due to switching transients caused by
frequency changes of the test equipment during the test procedure is neglected.
Add the following sentence after the last paragraph:
After the test, the general purpose electronic switch with included automatic functions shall
operate as intended.
26.1.6 Radio-frequency voltage test
Add the following sentence to the 5th paragraph:
Flickering of lamps or irregular running of motors due to switching transients caused by
frequency changes of the test equipment during the test procedure is neglected.
Add the following sentence after the last paragraph:
After the test, the general purpose electronic switch with included automatic functions shall
operate as intended.
26.1.7 Power-frequency magnetic field test
Add the following sentence to the 5th paragraph:
Flickering of lamps or irregular running of motors due to switching transients caused by
frequency changes of the test equipment during the test procedure is neglected.
Add the following sentence after the last paragraph:
After the test, the general purpose electronic switch with included automatic functions shall
operate as intended.
Page 63
101 Abnormal conditions
101.1.1.1 Replace, in the first dash, ”if they are less than the values given for curve ”A” of
Figure 9 of IEC 60065” by ”if they are less than the values given in Figure 10 of IEC 60065”.
101.1.1.2 On page 65, add the following after the first paragraph:
The tripping current of the protective devices (e.g. fuses, automatic protective devices, etc.)
to be used for the verification of electronic switches without incorporated temperature-limiting
devices and without incorporated fuses shall be in relation with the rated current of protective
device, specified by the manufacturer, intended to protect the electronic switch. The
manufacturers should specify in their instruction sheets the information of the protective
device which is intended to protect the electronic switch (see 8.8 of IEC 60669-1:1998).

60669-2-1 Amend. 1 © IEC:2008 – 15 –
On page 67, add the following new subclause:
101.4 For electronic RCS, Clause 101 of IEC 60669-2-2 applies.
For electronic TDS, Clause 101 of IEC 60669-2-3 applies.

Page 69
102 Components
Delete the note.
102.2 Capacitors
In Table 107, in the title of column ”Without overcurrent protection”, delete the reference to
footnote a.
Page 75
Add the following new subclause:
102.5 Transformers
Transformers intended for SELV circuits shall be of the safety isolating type and shall comply
with the relevant requirements of IEC 61558-2-6.
NOTE For the use of SELV and PELV, see IEC 61140 and IEC 60364-4-41.

Page 81
Annex B
Replace the text of Annex B by the following:
Annex B of Part 1 applies except as follows.

– 16 – 60669-2-1 Amend. 1 © IEC:2008
13 Constructional requirements
13.16 Addition after the first paragraph:
The cross-sectional area of external flexible cables connected between electronic switches
and its associated control units and the like can be less if the current in the unit is limited by
current limiting means. The minimum cross-sectional area is shown in Table B.1. Flexible
cables shall comply with IEC 60245-4, code designation 60245 IEC 66, or IEC 60227-5, code
designation 60227 IEC 53.
NOTE The requirement for the insulation of the cable is not applicable to flexible cables supplied at SELV.
Table B.1 – Maximum current and minimum cross-sectional area
Minimum cross-sectional area
Maximum current A 2
mm
Up to and including 0,2 No requirements
Up to and including 6 0,75
Up to and including 10 1,0
Up to and including 16 1,5
Page 85
Bibliography
Add the following to the existing list:
IEC 60050-601:1985, International Electro
...