IEC 60335-2-97:2023

IEC 60335-2-97 ®
Edition 4.0 2023-12
EXTENDED VERSION
INTERNATIONAL
STANDARD
colour
inside
This extended version of IEC 60335-2-97:2023 includes the content of the references made to
IEC 60335-1:2020
Household and similar electrical appliances – Safety –
Part 2-97: Particular requirements for drives for shutters, awnings, blinds and
similar equipment
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IEC 60335-2-97 ®
Edition 4.0 2023-12
EXTENDED VERSION
INTERNATIONAL
STANDARD
colour
inside
This extended version of IEC 60335-2-97:2023 includes the content of the references made to
IEC 60335-1:2020
Household and similar electrical appliances – Safety –
Part 2-97: Particular requirements for drives for shutters, awnings, blinds and
similar equipment
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.120.01, 91.060.50 ISBN 978-2-8322-8060-7

IEC 60335-1:2020/ISH1:2021 – 1 –
© IEC 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
IEC 60335-1
Edition 6.0  2020-09
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – SAFETY –

Part 1: General requirements
INTERPRETATION SHEET 1
This interpretation sheet has been prepared by IEC technical committee 61: Safety of
household and similar electrical appliances.
The text of this Interpretation Sheet is based on the following documents:
Draft Report on voting
61/5999/DISH 61/6009/RVDISH
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
___________
INTRODUCTION
Edition 6 of IEC 60335-1:2020 defines and introduces requirements for a detachable
power supply part of an appliance. In the document, 24.2 prohibits the use of a power
supply in a flexible cord.
QUESTION:
Does Subclause 24.2 prohibit the use of a detachable power supply part?
ANSWER
No, a "detachable power supply part" is a defined term and is not captured by the term
"power supply" as used in Subclause 24.2.
NOTE A detachable power supply part is captured by the defined term when the output of the power supply
part is detachable from the class III construction part of the appliance at:
– the power supply part, or
– the class III construction part of the appliance.
However, the supply cord (if any) does not have to be detachable from the detachable power supply part.
ICS 13.120; 97.030
IEC 60335-1:2020-09/ISH1:2021-11(en)

– 2 – IEC 60335-2-97:2023 EXV © IEC 2023
CONTENTS
FOREWORD . 6
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 11
3 Terms and definitions . 16
4 General requirement . 27
5 General conditions for the tests . 27
6 Classification . 32
7 Marking and instructions . 32
8 Protection against access to live parts . 42
9 Starting of motor-operated appliances . 44
10 Power input and current . 44
11 Heating . 47
12 Charging of metal-ion batteries . 53
13 Leakage current and electric strength at operating temperature . 54
14 Transient overvoltages . 57
15 Moisture resistance . 58
16 Leakage current and electric strength . 60
17 Overload protection of transformers and associated circuits . 62
18 Endurance . 63
19 Abnormal operation . 63
20 Stability and mechanical hazards . 73
21 Mechanical strength . 77
22 Construction . 79
23 Internal wiring . 92
24 Components . 94
25 Supply connection and external flexible cords . 99
26 Terminals for external conductors . 107
27 Provision for earthing . 110
28 Screws and connections . 111
29 Clearances, creepage distances and solid insulation . 114
30 Resistance to heat and fire . 122
31 Resistance to rusting . 127
32 Radiation, toxicity and similar hazards . 127
Annex A (informative) Routine tests . 144
Annex B (normative) Battery-operated appliances, separable batteries and detachable
batteries for battery-operated appliances . 146
Annex C (normative) Ageing test on motors . 167
Annex D (normative) Thermal motor protectors . 169
Annex E (normative) Needle-flame test . 170
Annex F (normative) Capacitors . 171
Annex G (normative) Safety isolating transformers . 173

Annex H (normative) Switches . 174
Annex I (normative) Motors having basic insulation that is inadequate for the rated
voltage of the appliance . 176
Annex J (normative) Coated printed circuit boards . 178
Annex K (informative) Overvoltage categories . 179
Annex L (informative) Guidance for the measurement of clearances and creepage
distances . 180
Annex M (informative) Pollution degree . 183
Annex N (normative) Proof tracking test . 184
Annex O (informative) Selection and sequence of the tests of Clause 30 . 185
Annex P (informative) Guidance for the application of this standard to appliances
used in tropical climates . 190
Annex Q (informative) Sequence of tests for the evaluation of electronic circuits . 192
Annex R (normative) Software evaluation . 195
Annex S (informative) Guidance for the application of this standard on measurement
of power input and current based on the requirements of 10.1 and 10.2 concerning the
representative period . 209
Annex T (normative) UV-C radiation effect on non-metallic materials . 210
Annex U (normative) Appliances intended for remote communication through public
networks . 213
Bibliography . 217
Index of defined terms . 220

Figure 1 – Circuit diagram for leakage current measurement at operating temperature
for single-phase connection of class II appliances and for parts of class ll construction . 128
Figure 2 – Circuit diagram for leakage current measurement at operating temperature
for single-phase connection of other than class II appliances or parts of class ll
construction . 129
Figure 3 – Circuit diagram for leakage current measurement at operating temperature
for three-phase with neutral class II appliances and for parts of class ll construction . 130
Figure 4 – Circuit diagram for leakage current measurement at operating temperature
for three-phase with neutral appliances other than those of class II or parts of class ll
construction . 131
Figure 5 – Small part . 132
Figure 6 – Example of an electronic circuit with low-power points . 132
Figure 7 – Test finger nail . 133
Figure 8 – Flexing test apparatus . 134
Figure 9 – Constructions of cord anchorages . 135
Figure 10 – An example of parts of an earthing terminal . 136
Figure 11 – Examples of clearances . 137
Figure 12 – Example of the placement of the cylinder . 138
Figure 13 – Small parts cylinder . 139
Figure 14 – Example of a specified operating region of a lithium-ion cell during
charging . 140
Figure 101 – Examples of types of driven parts . 141
Figure 102 – Example of test apparatus without a driven part for drives for rolling
driven parts. 142

– 4 – IEC 60335-2-97:2023 EXV © IEC 2023
Figure 103 – Probe for measuring surface temperatures . 143
Figure B.1 – Examples of battery-operated appliance constructions and application of
normative Annex B (1 of 2) . 165
Figure B.2 – Examples of correct polarity connection marking representing three
batteries . 166
Figure I.1 – Simulation of faults . 177
Figure L.1 – Sequence for the determination of clearances . 180
Figure L.2 – Sequence for the determination of creepage distances . 181
Figure L.3 – Measurement of clearances . 182
Figure O.1 – Tests for resistance to heat . 185
Figure O.2 – Selection and sequence of tests for resistance to fire in hand-held
appliances . 186
Figure O.3 – Selection and sequence of tests for resistance to fire in attended
appliances . 186
Figure O.4 – Selection and sequence of tests for resistance to fire in unattended

appliances . 187
Figure O.5 – Some applications of the term "within a distance of 3 mm" . 189
Figure Q.1 – Flowchart outlining the sequence of tests for the evaluation of electronic
circuits (1 of 2) . 193
Figure S.1 – Flowchart giving guidance on measurement of power input and current
concerning the representative period . 209

Table 1 – Power input deviation . 45
Table 2 – Current deviation . 46
Table 101 – Maximum temperature rises for specified external accessible surfaces
under normal operating conditions . 49
Table 3 – Maximum normal temperature rises . 50
Table 4 – Voltage for electric strength test . 56
Table 5 – Characteristics of high-voltage sources . 57
Table 6 – Impulse test voltage . 57
Table 7 – Test voltages. 62
Table 8 – Maximum winding temperature . 65
Table 9 – Maximum abnormal temperature rise . 71
Table 10 – Dimensions of cables and conduits . 100
Table 11 – Minimum cross-sectional area of conductors . 102
Table 12 – Pull force and torque . 104
Table 13 – Nominal cross-sectional area of conductors . 109
Table 14 – Torque for testing screws and nuts . 113
Table 15 – Rated impulse voltage . 115
Table 16 – Minimum clearances . 115
Table 17 – Minimum creepage distances for basic insulation . 119
Table 18 – Minimum creepage distances for functional insulation . 120
Table 19 – Minimum thickness for accessible parts of reinforced insulation consisting
of a single layer . 122
Table A.1 – Test voltages . 145
Table B.1 – Artificial source characteristics . 148

Table B.2 – Total area of openings for metal-ion cells . 156
Table B.3 – Volume of air injected at 2 070 kPa . 156
Table C.1 – Test conditions . 167
Table R.1 – General fault/error conditions . 197
Table R.2 – Specific fault/error conditions . 199
Table R.3 – Semi-formal methods . 205
Table R.4 – Software architecture specification . 205
Table R.5 – Module design specification . 206
Table R.6 – Design and coding standards . 207
Table R.7 – Software safety validation . 207
Table T.1 – Minimum property retention limits after UV-C exposure . 211
Table T.2 – Minimum electric strength for internal wiring after UV-C exposure . 212
Table U.1 – Examples of acceptable measures against unauthorised access and
transmission fault/error modes . 215

– 6 – IEC 60335-2-97:2023 EXV © IEC 2023
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-97: Particular requirements for drives for shutters, awnings, blinds
and similar equipment
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 addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
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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
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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
misinterpretation by any end user.
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
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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
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.
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) IEC draws attention to the possibility that the implementation of this document may involve the use of (a) patent(s).
IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in respect
thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which may
be required to implement this document. However, implementers are cautioned that this may not represent the
latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC shall
not be held responsible for identifying any or all such patent rights.
This extended version (EXV) of the official IEC Standard provides the user with the
comprehensive content of the Standard.
made to IEC 60335-1:2020.
The specific content of IEC 60335-2-97:2023 is displayed on a blue background.

IEC 60335-2-97 has been prepared by IEC technical committee 61: Safety of household and
similar electrical appliances. It is an International Standard.
This fourth edition cancels and replaces the third edition published in 2016 and Amendment 1:
2019. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) the text has been aligned with IEC 60335-1:2020;
b) scope includes DC-supplied appliances and battery-operated appliances (Clause 1);
c) some notes have been converted to normative text (Clause 1, 5.10, 20.101, 20.103);
d) use of artificial loads is introduced (5.10);
e) application of test probe 19 has been introduced (8.1.1, 20.2);
f) addition of surface temperatures for external accessible surfaces (11.3, 11.8);
g) requirements are added for drives intended for permanent connection delivered with a
connector to ease the installation (22.102, 24.1.101, 25.3);
h) clarification for connectors that are non-detachable once engaged (24.1.5).
i) added requirements for instructions for parts of class III construction supplied from a
detachable power supply part (7.12, 7.12.1).
The text of this International Standard is based on the following documents:
Draft Report on voting
61/7016/FDIS 61/7081/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/standardsdev/publications.
A list of all parts of the IEC 60335 series, under the general title: Household and similar
electrical appliances – Safety, can be found on the IEC website.
This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its
amendments unless that edition precludes it; in that case, the latest edition that does not
preclude it is used. It was established on the basis of the sixth edition (2020) of that standard.
NOTE 1 When "Part 1" is mentioned in this standard, it refers to IEC 60335-1.
This part 2 supplements or modifies the corresponding clauses in IEC 60335-1, so as to convert
that publication into the IEC standard: Particular requirements for drives for shutters, awnings,
blinds and similar equipment.
When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies as
far as is reasonable. When this standard states "addition", "modification" or "replacement", the
relevant text in Part 1 is to be adapted accordingly.
NOTE 2 The following numbering system is used:
– subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1;

– 8 – IEC 60335-2-97:2023 EXV © IEC 2023
– unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from 101, including
those in a replaced clause or subclause;
– additional annexes are lettered AA, BB, etc.
NOTE 3 The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in small roman type.
Words in bold in the text are defined in Clause 3. When a definition concerns an adjective, the adjective and the
associated noun are also in bold.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
NOTE 4 The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations can need a transitional period following publication of a new, amended or revised IEC publication in
which to make products in accordance with the new requirements and to equip themselves for conducting new or
revised tests.
It is the recommendation of the committee that the content of this publication be adopted for implementation nationally
not earlier than 12 months or later than 36 months from the date of publication.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this document using a colour printer.

INTRODUCTION
It has been assumed in the drafting of this International Standard that the execution of its
provisions is entrusted to appropriately qualified and experienced persons.
Guidance documents concerning the application of the safety requirements for appliances can
be accessed via TC 61 supporting documents on the IEC website
https://www.iec.ch/tc61/supportingdocuments
This information is given for the convenience of users of this International Standard and does
not constitute a replacement for the normative text in this standard.
This standard recognizes the internationally accepted level of protection against hazards such
as electrical, mechanical, thermal, fire and radiation of appliances when operated as in normal
use taking into account the manufacturer's instructions. It also covers abnormal situations that
can be expected in practice and takes into account the way in which electromagnetic
phenomena can affect the safe operation of appliances.
This standard takes into account the requirements of IEC 60364 as far as possible so that there
is compatibility with the wiring rules when the appliance is connected to the supply mains.
However, national wiring rules can differ.
If an appliance within the scope of this standard also incorporates functions that are covered
by another part 2 of IEC 60335, the relevant part 2 is applied to each function separately, as
far as is reasonable. If applicable, the influence of one function on the other is taken into
account.
When a part 2 standard does not include additional requirements to cover hazards dealt with in
Part 1, Part 1 applies.
NOTE 1 This means that the technical committees responsible for the part 2 standards have determined that it is
not necessary to specify particular requirements for the appliance in question over and above the general
requirements.
This standard is a product family standard dealing with the safety of appliances and takes
precedence over horizontal and generic standards covering the same subject.
NOTE 2 Horizontal publications, basic safety publications and group safety publications covering a hazard are not
applicable since they have been taken into consideration when developing the general and particular requirements
for the IEC 60335 series of standards.
An appliance that complies with the text of this standard will not necessarily be considered to
comply with the safety principles of the standard if, when examined and tested, it is found to
have other features that impair the level of safety covered by these requirements.
An appliance employing materials or having forms of construction differing from those detailed
in the requirements of this standard may be examined and tested according to the intent of the
requirements and, if found to be substantially equivalent, may be considered to comply with the
standard.
NOTE 3 Standards dealing with non-safety aspects of household appliances are:
– IEC standards published by TC 59 concerning methods of measuring performance;
– CISPR 11, CISPR 14-1 and relevant IEC 61000-3 series standards concerning electromagnetic emissions;
– CISPR 14-2 concerning electromagnetic immunity;
– IEC standards published by TC 111 concerning environmental matters.

– 10 – IEC 60335-2-97:2023 EXV © IEC 2023
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-97: Particular requirements for drives for shutters, awnings, blinds
and similar equipment
1 Scope
This part of IEC 60335 deals with the safety of electric drives for shutters, blinds and awnings,
intended for household and similar purposes, their rated voltage being not more than 250 V
for single-phase drives and 480 V for other drives, including direct current (DC) supplied
appliances and battery-operated appliances.
Examples of equipment that can be driven are
– spring controlled folding arm awnings;
– curtains;
– grilles covering doors and windows;
– projection screens;
– shutters covering doors and windows;
– draperies.
Examples are shown in Figure 101.
Drives can be supplied with a driven part.
Drives not intended for normal household use but that nevertheless can be a source of danger
to the public, such as drives intended to be used by laymen in shops, in light industry, on farms
and on industrial premises, are within the scope of this standard.
As far as is practicable, this standard deals with the common hazards presented by drives that
are encountered by all persons in and around the home. However, in general, it does not take
into account
– persons (including children) whose
• physical, sensory or mental capabilities; or
• lack of experience and knowledge
prevents them from using the drive safely without supervision or instruction;
– children playing with the drive.
For appliances intended to be used in vehicles or on board ships or aircraft, additional
requirements can be necessary. In many countries, additional requirements are specified by
the national health authorities, the national authorities responsible for the protection of labour,
the national water supply authorities and similar authorities.
This standard does not apply to
– drives intended to be used in locations where special conditions prevail, such as the
presence of a corrosive or explosive atmosphere (dust, vapour or gas);
– drives for vertically moving garage doors for residential use (IEC 60335-2-95);
– drives for gates, doors and windows (IEC 60335-2-103);

– drives used in premises such as hangars or in heavy industry;
– drives for theatre curtains.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 60034-1, Rotating electrical machines – Part 1: Rating and performance
IEC 60061-1, Lamp caps and holders together with gauges for the control of interchangeability
and safety – Part 1: Lamp caps
IEC 60065:2014, Audio, video and similar electronic apparatus – Safety requirements
IEC 60068-2-2, Environmental testing – Part 2-2: Tests – Test B: Dry heat
IEC 60068-2-31, Environmental testing – Part 2-31: Tests – Test Ec: Rough handling shocks,
primarily for equipment-type specimens
IEC 60068-2-52:2017, Environmental testing – Part 2: Tests – Test Kb: Salt mist, cyclic (sodium
chloride solution)
IEC 60068-2-75, Environmental testing – Part 2-75: Tests – Test Eh: Hammer tests
IEC 60068-2-78, Environmental testing – Part 2-78: Tests – Test Cab: Damp heat, steady state
IEC TR 60083, Plugs and socket-outlets for domestic and similar general use standardized in
member countries of IEC
IEC 60085:2007, Electrical insulation – Thermal evaluation and designation
IEC 60112:2003, Method for the determination of the proof and the comparative tracking indices
of solid insulating materials
IEC 60112:2003/AMD1:2009
IEC 60127 (all parts), Miniature fuses
IEC 60227 (all parts), Polyvinyl chloride insulated cables of rated voltages up to and including
450/750 V
IEC 60227-5:2011, Polyvinyl chloride insulated cables of rated voltages up to and including
450/750 V – Part 5: Flexible cables (cords)
IEC 60238, Edison screw lampholders
IEC 60245 (all parts), Rubber insulated cables – Rated voltages up to and including 450/750 V
___________
There exists a consolidated edition 4.1:2009 that includes edition 4 and its Amendment 1.

– 12 – IEC 60335-2-97:2023 EXV © IEC 2023
IEC 60252-1:2010, AC motor capacitors – Part 1: General – Performance, testing and rating –
Safety requirements – Guidance for installation and operation
IEC 60252-1:2010/AMD1:2013
IEC 60309-2, Plugs, socket-outlets and couplers for industrial purposes – Part 2: Dimensional
interchangeability requirements for pin and contact-tube accessories
IEC 60320 (all parts), Appliance couplers for household and similar general purposes
IEC 60320-1, Appliance couplers for household and similar general purposes – Part 1: General
requirements
IEC 60320-2-3, Appliance couplers for household and similar general purposes – Part 2-3:
Appliance couplers with a degree of protection higher than IPX0
IEC 60320-3, Appliance couplers for household and similar general purposes – Part 3: Standard
sheets and gauges
IEC 60384-14:2013, Fixed capacitors for use in electronic equipment – Part 14: Sectional
specification – Fixed capacitors for electromagnetic interference suppression and connection
to the supply mains
IEC 60384-14:2013/AMD1:2016
IEC 60417, Graphical symbols for use on equipment
IEC 60445:2017, Basic and safety principles for man-machine interface, marking and
identification – Identification of equipment terminals, conductor terminations and conductors
IEC 60529:1989, Degrees of protection provided by enclosures (IP Code)

IEC 60529:1989/AMD1:1999
IEC 60529:1989/AMD2:2013
IEC 60584-1, Thermocouples – Part 1: EMF specifications and tolerances
IEC 60598-1:2014, Luminaires – Part 1: General requirements and tests
IEC 60598-1:2014/AMD1:2017
IEC 60603-11, Connectors for frequencies below 3 MHz for use with printed boards – Part 11:
Detail specification for concentric connectors (dimensions for free connectors and fixed
connectors)
IEC 60664-1:2007, Insulation coordination for equipment within low-voltage systems – Part 1:
Principles, requirements and tests
IEC 60664-3:2016, Insulation coordination for equipment within low-voltage systems – Part 3:
Use of coating, potting or moulding for protection against pollution
IEC 60664-4:2005, Insulation coordination for equipment within low-voltage systems – Part 4:
Consideration of high-frequency voltage stress
___________
There exists a consolidated edition 2.1:2013 that includes edition 2 and its Amendment 1.
There exists a consolidated edition 4.1:2016 that includes edition 4 and its Amendment 1.
There exists a consolidated edition 2.2:2013 that includes edition 2 and its Amendment 1 and Amendment 2.
There exists a consolidated edition 8.1:2017 that includes edition 8 and its Amendment 1.

IEC 60691, Thermal-links – Requirements and application guide
IEC 60695-2-11:2014, Fire hazard testing – Part 2-11: Glowing/hot-wire based test methods –
Glow-wire flammability test method for end-products (GWEPT)
IEC 60695-2-12, Fire hazard testing – Part 2-12: Glowing/hot-wire based test methods – Glow-
wire flammability index (GWFI) test method for materials
IEC 60695-2-13, Fire hazard testing – Part 2-13: Glowing/hot-wire based test methods – Glow-
wire ignition temperature (GWIT) test method for materials
IEC 60695-10-2, Fire hazard testing – Part 10-2: Abnormal heat – Ball pressure test
IEC 60695-11-5:2016, Fire hazard testing – Part 11-5: Test flames – Needle-flame test method
– Apparatus, confirmatory test arrangement and guidance
IEC 60695-11-10, Fire hazard testing – Part 11-10: Test flames – 50 W horizontal and vertical
flame test methods
IEC 60730-1:2013, Automatic electrical controls – Part 1: General requirements
IEC 60730-1:2013/AMD1:2015
IEC 60730-2-8:2018, Automatic electrical controls – Part 2-8: Particular requirements for
electrically operated water valves, including mechanical requirements
IEC 60730-2-9:2015, Automatic electrical controls – Part 2-9: Particular requirements for
temperature sensing controls
IEC 60730-2-9:2015/AMD1:2018
IEC 60730-2-10, Automatic electrical controls for household and similar use – Part 2-10:
Particular requirements for motor-starting relays
IEC 60738-1, Thermistors – Directly heated positive temperature coefficient – Part 1: Generic
specification
IEC 60799, Electrical accessories – Cord sets and interconnection cord sets
IEC 60906-1, IEC system of plugs and socket-outlets for household and similar purposes –
Part 1: Plugs and socket-outlets 16 A 250 V a.c.
IEC 60934, Circuit-breakers for equipment (CBE)
IEC 60990:2016, Methods of measurement of touch current and protective conductor current
IEC 60999-1:1999, Connecting devices – Electrical copper conductors – Safety requirements
for screw-type and screwless-type clamping units – Part 1: General requirements and particular
2 2
requirements for clamping units for conductors from 0,2 mm up to 35 mm (included)
IEC 61000-4-2, Electromagnetic compatibility (EMC) – Part 4-2: Testing and measurement
techniques – Electrostatic discharge immunity test
___________
The
...

IEC 60335-2-97 ®
Edition 4.0 2023-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Safety –
Part 2-97: Particular requirements for drives for shutters, awnings, blinds and
similar equipment
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-97: Exigences particulières pour les motorisations de volets, stores,
rideaux et équipements analogues
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IEC 60335-2-97 ®
Edition 4.0 2023-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Safety –

Part 2-97: Particular requirements for drives for shutters, awnings, blinds and

similar equipment
Appareils électrodomestiques et analogues – Sécurité –

Partie 2-97: Exigences particulières pour les motorisations de volets, stores,

rideaux et équipements analogues

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.120.01, 91.060.50 ISBN 978-2-8322-7931-1

– 2 – IEC 60335-2-97:2023 © IEC 2023
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 9
3 Terms and definitions . 9
4 General requirement . 10
5 General conditions for the tests . 10
6 Classification . 10
7 Marking and instructions . 11
8 Protection against access to live parts . 12
9 Starting of motor-operated appliances . 13
10 Power input and current . 13
11 Heating . 13
12 Charging of metal-ion batteries . 15
13 Leakage current and electric strength at operating temperature . 15
14 Transient overvoltages . 15
15 Moisture resistance . 15
16 Leakage current and electric strength . 16
17 Overload protection of transformers and associated circuits . 16
18 Endurance . 16
19 Abnormal operation . 16
20 Stability and mechanical hazards . 16
21 Mechanical strength . 20
22 Construction . 20
23 Internal wiring . 20
24 Components . 20
25 Supply connection and external flexible cords . 21
26 Terminals for external conductors . 21
27 Provision for earthing . 21
28 Screws and connections . 21
29 Clearances, creepage distances and solid insulation . 22
30 Resistance to heat and fire . 22
31 Resistance to rusting . 22
32 Radiation, toxicity and similar hazards . 22
Annexes . 26
Annex B (normative) Battery-operated appliances, separable batteries and detachable
batteries for battery-operated appliances . 27
Annex C (normative) Ageing test on motors . 28
Annex R (normative) Software evaluation . 29
Bibliography . 30

Figure 101 – Examples of types of driven parts . 23

Figure 102 – Example of test apparatus without a driven part for drives for rolling
driven parts . 24
Figure 103 – Probe for measuring surface temperatures . 25

Table 101 – Maximum temperature rises for specified external accessible surfaces

under normal operating conditions . 15

– 4 – IEC 60335-2-97:2023 © IEC 2023
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-97: Particular requirements for drives for shutters, awnings, blinds
and similar equipment
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 addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). Their
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
misinterpretation by any end user.
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
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
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) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
respect thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which
may be required to implement this document. However, implementers are cautioned that this may not represent
the latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC
shall not be held responsible for identifying any or all such patent rights.
IEC 60335-2-97 has been prepared by IEC technical committee 61: Safety of household and
similar electrical appliances. It is an International Standard.
This fourth edition cancels and replaces the third edition published in 2016 and Amendment 1:
2019. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) the text has been aligned with IEC 60335-1:2020;
b) scope includes DC-supplied appliances and battery-operated appliances (Clause 1);
c) some notes have been converted to normative text (Clause 1, 5.10, 20.101, 20.103);

d) use of artificial loads is introduced (5.10);
e) application of test probe 19 has been introduced (8.1.1, 20.2);
f) addition of surface temperatures for external accessible surfaces (11.3, 11.8);
g) requirements are added for drives intended for permanent connection delivered with a
connector to ease the installation (22.102, 24.1.101, 25.3);
h) clarification for connectors that are non-detachable once engaged (24.1.5).
i) added requirements for instructions for parts of class III construction supplied from a
detachable power supply part (7.12, 7.12.1).
The text of this International Standard is based on the following documents:
Draft Report on voting
61/7016/FDIS 61/7081/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/standardsdev/publications.
A list of all parts of the IEC 60335 series, under the general title: Household and similar
electrical appliances – Safety, can be found on the IEC website.
This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its
amendments unless that edition precludes it; in that case, the latest edition that does not
preclude it is used. It was established on the basis of the sixth edition (2020) of that standard.
NOTE 1 When "Part 1" is mentioned in this standard, it refers to IEC 60335-1.
This part 2 supplements or modifies the corresponding clauses in IEC 60335-1, so as to convert
that publication into the IEC standard: Particular requirements for drives for shutters, awnings,
blinds and similar equipment.
When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies as
far as is reasonable. When this standard states "addition", "modification" or "replacement", the
relevant text in Part 1 is to be adapted accordingly.
NOTE 2 The following numbering system is used:
– subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1;
– unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from 101, including
those in a replaced clause or subclause;
– additional annexes are lettered AA, BB, etc.
NOTE 3 The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in small roman type.
Words in bold in the text are defined in Clause 3. When a definition concerns an adjective, the adjective and the
associated noun are also in bold.

– 6 – IEC 60335-2-97:2023 © IEC 2023
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
NOTE 4 The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations can need a transitional period following publication of a new, amended or revised IEC publication in
which to make products in accordance with the new requirements and to equip themselves for conducting new or
revised tests.
It is the recommendation of the committee that the content of this publication be adopted for implementation nationally
not earlier than 12 months or later than 36 months from the date of publication.

INTRODUCTION
It has been assumed in the drafting of this International Standard that the execution of its
provisions is entrusted to appropriately qualified and experienced persons.
Guidance documents concerning the application of the safety requirements for appliances can
be accessed via TC 61 supporting documents on the IEC website
https://www.iec.ch/tc61/supportingdocuments
This information is given for the convenience of users of this International Standard and does
not constitute a replacement for the normative text in this standard.
This standard recognizes the internationally accepted level of protection against hazards such
as electrical, mechanical, thermal, fire and radiation of appliances when operated as in normal
use taking into account the manufacturer's instructions. It also covers abnormal situations that
can be expected in practice and takes into account the way in which electromagnetic
phenomena can affect the safe operation of appliances.
This standard takes into account the requirements of IEC 60364 as far as possible so that there
is compatibility with the wiring rules when the appliance is connected to the supply mains.
However, national wiring rules can differ.
If an appliance within the scope of this standard also incorporates functions that are covered
by another part 2 of IEC 60335, the relevant part 2 is applied to each function separately, as
far as is reasonable. If applicable, the influence of one function on the other is taken into
account.
When a part 2 standard does not include additional requirements to cover hazards dealt with in
Part 1, Part 1 applies.
NOTE 1 This means that the technical committees responsible for the part 2 standards have determined that it is
not necessary to specify particular requirements for the appliance in question over and above the general
requirements.
This standard is a product family standard dealing with the safety of appliances and takes
precedence over horizontal and generic standards covering the same subject.
NOTE 2 Horizontal publications, basic safety publications and group safety publications covering a hazard are not
applicable since they have been taken into consideration when developing the general and particular requirements
for the IEC 60335 series of standards.
An appliance that complies with the text of this standard will not necessarily be considered to
comply with the safety principles of the standard if, when examined and tested, it is found to
have other features that impair the level of safety covered by these requirements.
An appliance employing materials or having forms of construction differing from those detailed
in the requirements of this standard may be examined and tested according to the intent of the
requirements and, if found to be substantially equivalent, may be considered to comply with the
standard.
NOTE 3 Standards dealing with non-safety aspects of household appliances are:
– IEC standards published by TC 59 concerning methods of measuring performance;
– CISPR 11, CISPR 14-1 and relevant IEC 61000-3 series standards concerning electromagnetic emissions;
– CISPR 14-2 concerning electromagnetic immunity;
– IEC standards published by TC 111 concerning environmental matters.

– 8 – IEC 60335-2-97:2023 © IEC 2023
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-97: Particular requirements for drives for shutters, awnings, blinds
and similar equipment
1 Scope
This clause of Part 1 is replaced by the following.
This part of IEC 60335 deals with the safety of electric drives for shutters, blinds and awnings,
intended for household and similar purposes, their rated voltage being not more than 250 V
for single-phase drives and 480 V for other drives, including direct current (DC) supplied
appliances and battery-operated appliances.
Examples of equipment that can be driven are
– spring controlled folding arm awnings;
– curtains;
– grilles covering doors and windows;
– projection screens;
– shutters covering doors and windows;
– draperies.
Examples are shown in Figure 101.
Drives can be supplied with a driven part.
Drives not intended for normal household use but that nevertheless can be a source of danger
to the public, such as drives intended to be used by laymen in shops, in light industry, on farms
and on industrial premises, are within the scope of this standard.
As far as is practicable, this standard deals with the common hazards presented by drives that
are encountered by all persons in and around the home. However, in general, it does not take
into account
– persons (including children) whose
• physical, sensory or mental capabilities; or
• lack of experience and knowledge
prevents them from using the drive safely without supervision or instruction;
– children playing with the drive.
For appliances intended to be used in vehicles or on board ships or aircraft, additional
requirements can be necessary. In many countries, additional requirements are specified by
the national health authorities, the national authorities responsible for the protection of labour,
the national water supply authorities and similar authorities.
This standard does not apply to
– drives intended to be used in locations where special conditions prevail, such as the
presence of a corrosive or explosive atmosphere (dust, vapour or gas);

– drives for vertically moving garage doors for residential use (IEC 60335-2-95);
– drives for gates, doors and windows (IEC 60335-2-103);
– drives used in premises such as hangars or in heavy industry;
– drives for theatre curtains.
2 Normative references
This clause of Part 1 is applicable except as follows.
Addition:
IEC 60068-2-52:2017, Environmental testing – Part 2: Tests – Test Kb: Salt mist, cyclic (sodium
chloride solution)
IEC 60584-1, Thermocouples – Part 1: EMF specifications and tolerances
IEC 61984:2008, Connectors – Safety requirements and tests
3 Terms and definitions
This clause of Part 1 is applicable except as follows.
3.1 Definitions relating to physical characteristics
3.1.9 Modification:
Replace the first paragraph with the following:
operation of the drive under the following conditions:
– drives supplied without a driven part are operated at rated load;
– drives supplied with a driven part are operated with the driven part installed in accordance
with the instructions
3.1.101
rated load
torque or force assigned to the drive by the manufacturer
3.1.102
rated operating time
duration of continuous operation assigned to the drive by the manufacturer
Note 1 to entry: During continuous operation, the drive may reverse its direction.
3.1.103
rated number of operating cycles
number of uninterrupted cycles assigned to the drive by the manufacturer
3.5 Definitions relating to types of appliances
3.5.101
drive
motor and other components that control the movement of the driven part
Note 1 to entry: Examples of components are gears, controls, brakes and components for power transmission from
the drive to the driven part.
– 10 – IEC 60335-2-97:2023 © IEC 2023
3.7 Definitions relating to safety components
3.7.101
biased-off switch
hold to run device that initiates and maintains the drive movement only as long as the manual
control is actuated by the user
3.8 Definitions relating to miscellaneous matters
3.8.101
driven part
movable part, such as a shutter, awning or blind, that is operated by the drive
4 General requirement
This clause of Part 1 is applicable.
5 General conditions for the tests
This clause of Part 1 is applicable except as follows.
5.10 Addition:
When a test has to be carried out with a driven part, the driven part specified for installation
with the drive that gives the most unfavourable conditions for the test is used. The drive is
adjusted in accordance with the instructions.
The driven part may be simulated by an artificial load.
When the drive is supplied with the driven part, the driven part may be simulated by an
artificial load, except for the tests of 20.104.1, 20.104.2, 20.104.3, 20.104.4 and 20.104.5.
When the drive is supplied without the driven part, the driven part shall be simulated by an
artificial load or a representative driven part considering the manufacturer instructions to
represent the most unfavourable conditions, except for the tests of 20.104.1, 20.104.2,
20.104.3, 20.104.4 and 20.104.5.
The tests of 20.104.1, 20.104.2, 20.104.3, 20.104.4 and 20.104.5 shall be carried out with the
supplied driven part, or a representative driven part considering the manufacturer instructions
to represent the most unfavourable conditions.
An example of an artificial load for rolling driven parts is in Figure 102.
6 Classification
This clause of Part 1 is applicable except as follows.
6.2 Addition:
Drives or parts of drives exposed to outdoor conditions shall be at least IPX4.
When driven parts are exposed to outdoor conditions, drives or parts of drives covered by
the driven part shall be at least IPX4.

7 Marking and instructions
This clause of Part 1 is applicable except as follows.
7.1 Addition:
Drives supplied without a driven part shall be marked with
– the rated load, in newtons (N) or in newton-metres (Nm);
– the rated operating time, in minutes, unless the drive is intended for continuous operation.
Drives supplied with a driven part shall be marked with the rated number of operating cycles,
unless the drive is intended for continuous operation.
7.12 Modification:
Replace the fifth paragraph with the following:
The instructions for appliances having a part of class III construction supplied from a
detachable power supply part shall state that the appliance is only to be used with the power
supply provided with the appliance or the detachable power supply part listed in the
instructions.
Addition:
The instructions for drives supplied with a driven part shall state that the rated number of
operating cycles is not to be exceeded.
The instructions shall state the substance of the following:
WARNING: Important safety instructions. It is important for the safety of persons to follow
these instructions. Save these instructions.
The instructions shall include the substance of the following where applicable:
– do not allow children to play with fixed controls. Keep remote controls away from children;
– frequently examine the installation for imbalance and signs of wear or damage to cables
springs and fixings. Do not use if repair or adjustment is necessary;
– when operating a biased-off switch, make sure that other persons are kept away;
– do not operate when maintenance, such as window cleaning, is being carried out in the
vicinity.
The instructions shall include details on how to use the manual release if applicable.
The instructions for automatically controlled drives shall state the substance of the following:
Disconnect the drive from the supply or switch off the automatic controls when maintenance,
such as window cleaning, is being carried out in the vicinity.
7.12.1 Addition:
The installation instructions shall state the substance of the following:
WARNING: Important safety instructions. Follow all instructions since incorrect installation
can lead to severe injury.
The installation instructions shall indicate the type of driven part for which the drive is intended
to be used.
– 12 – IEC 60335-2-97:2023 © IEC 2023
They shall specify the mechanical parts necessary to couple the drive to the driven part.
NOTE 101 Mechanical parts to take account of variations in the driven part can be included in a website, catalogue
or similar reference.
The installation instructions shall state the substance of the following where applicable:
– before installing the drive, remove any unnecessary cords or components and disable any
equipment not needed for powered operation;
– install the actuating member of any manual release at a height less than 1,8 m above the
floor or other access level.
The instructions shall include the following information:
– that the actuating member of a biased-off switch is to be located within direct sight of the
driven part but away from moving parts. It is to be installed at a minimum height of 1,5 m
above the floor or other access level;
– if parts of the drive are intended to be installed more than 850 mm, 1,8 m or 2,3 m or at
least 2,5 m above the floor or other access level in accordance with 8.1.1, Table 101, 20.2,
20.104, B.22.3 or B.22.4, the minimum height for installation of the drive.
For drives supplied without a driven part, the installation instructions shall state the substance
of the following:
– that the characteristics of the driven part must be compatible with the rated load and rated
operating time;
– the minimum tube diameter needed to insert tubular drives;
– how to assemble the driven part and how to adjust the controls.
The installation instructions for awnings shall state that a horizontal distance of at least 0,4 m
is to be maintained between the fully unrolled driven part and any permanent object.
For drives that are of class III construction and intended to be supplied by a detachable
power supply part that is not provided with the drive, the installation instructions shall state
the substance of the following:
The drive shall only be used with the detachable power supply units listed in these
instructions.
For drives intended for permanent connection to fixed wiring, delivered with a separate
connector to ease the installation and establish the supply connection, the instructions shall
state the substance of the following:
Only use the supplied connector when installing the drive.
7.15 Addition:
The marking of tubular drives may be concealed after installation. The markings shall also be
provided with the instructions. In addition, the marking relevant to name, trademark or
identification mark of the manufacturer or responsible vendor and the model or type reference
can also be retrieved from a label, such as a matrix barcode, visible on the appliance after
installation.
8 Protection against access to live parts
This clause of Part 1 is applicable except as follows.
8.1.1 Replacement:
The requirement of 8.1 applies for all positions of the appliance when it is operated as in normal
use.
Test probe B, test probe 18 and test probe 19 of IEC 61032 are applied with a force not
exceeding 1 N, the appliance being in every possible position. Through openings, the test probe
is applied to any depth that the probe will permit and is rotated or angled before, during and
after insertion to any position. If the opening does not allow the entry of the probe, the force on
the probe in the straight position is increased to 20 N when probe B is used or 10 N when test
probe 18 or test probe 19 are used. If the test probe then enters the opening, the test is repeated
with the probe in the angled position.
During the tests with test probe B, all detachable parts are removed except lamps. However,
during insertion or removal of lamps, protection against contact with live parts of the lamp cap
shall be ensured.
During the tests with test probe 18 and test probe 19 of IEC 61032, the appliance shall be fully
assembled as in normal use without any parts removed.
Test probe 19 of IEC 61032 is not applied to parts of drives that are located at a height of more
than 850 mm above the floor or other access level in normal use.
Test probe 18 of IEC 61032 is not applied to parts of drives that according to the instructions
are required to be mounted at a height of more than 1,8 m above the floor or other access level.
It shall not be possible to touch live parts or live parts protected only by lacquer, enamel,
ordinary paper, cotton, oxide film, beads, or sealing compound except self-hardening resins,
with test probe B, test probe 18 or test probe 19, as applicable.
8.2 Addition:
Basic insulation and parts separated from live parts by basic insulation may be touched
during adjustment, if a tool is needed to gain access to the adjustment means.
9 Starting of motor-operated appliances
This clause of Part 1 is not applicable.
10 Power input and current
This clause of Part 1 is applicable except as follows.
10.1 Modification:
Instead of determining the mean value, the maximum value of power input is determined, the
effect of inrush currents being ignored.
10.2 Modification:
Instead of determining the mean value, the maximum value of the current is determined, inrush
currents being ignored.
11 Heating
This clause of Part 1 is applicable except as follows.

– 14 – IEC 60335-2-97:2023 © IEC 2023
11.3 Addition:
Where the external accessible surfaces are suitably flat and access permits, then the test
probe of Figure 103 is used to measure the temperature rises of external accessible surfaces
specified in Table 101. The probe is applied with a force of 4 N ± 1 N to the surface in such a
way that the best possible contact between the probe and the surface is ensured. The
measurement is performed after a contact period of 30 s.
The probe may be held in place using a laboratory stand clamp or similar device. Any measuring
instrument giving the same results as the probe may be used.
11.7 Modification:
Replace the first paragraph with the following:
Drives for continuous operation are operated for consecutive cycles until steady conditions are
established.
Other drives are operated as follows:
– drives supplied without a driven part are operated without rest periods for the rated
operating time but for not less than 4 min;
– drives supplied with a driven part are operated without rest periods for the rated number
of operating cycles but for not less than two cycles of operation.
Replace the first dashed item of the third paragraph with the following:
– the battery that has been fully discharged is charged for 1 h, while the appliance is
operated as specified, if allowed by the construction of the appliance;
11.8 Modification:
Replace the first paragraph with the following text:
During the test, the temperature rises are monitored continuously and shall not exceed the
values shown in Table 3 and Table 101.

Table 101 – Maximum temperature rises
for specified external accessible surfaces under normal operating conditions
a
Surface
Temperature rise of external accessible surfaces
K
Surfaces of appliances not Surfaces of appliances between
more than 850 mm above the 850 mm and 2,3 m above the
floor or other access level after floor or other access level after
installation installation
Bare metal 38 42
b
42 49
Coated metal
Glass and ceramic 51 56
c, d
58 62
Plastic and plastic coating > 0,4 mm
NOTE The temperature rise limits of handles, knobs, grips, keyboards, keypads and similar parts are specified in
Table 3.
a
Temperature rises are not measured on surfaces of appliances which, according to the instructions, shall be
fixed to a wall or ceiling and where these surfaces are inaccessible to a 75 mm diameter probe having a
hemispherical end.
b
Metal is considered coated when a coating having a minimum thickness of 90 µm made of enamel, powder or
non-substantially plastic coating is used.
c
The temperature rise limit of plastic also applies for plastic material having a metal finish of thickness less than
0,1 mm.
d
When the thickness of the plastic coating does not exceed 0,4 mm, the temperature rise limits of coated metal
for underlying metal apply or the temperature rise limits for glass or ceramic material for underlying glass or
ceramic material apply.
12 Charging of metal-ion batteries
This clause of Part 1 is applicable.
13 Leakage current and electric strength at operating temperature
This clause of Part 1 is applicable.
14 Transient overvoltages
This clause of Part 1 is applicable.
15 Moisture resistance
This clause of Part 1 is applicable except as follows.
15.1.2 Addition:
Tubular drives are installed in a tube that is open at both ends and has the largest diameter
specified in the instructions. The tube has a length twice that of the motor and is mounted on a
support as in normal use. The support is rotated at a speed of 1 r/min.
Tubular drives with a rolling driven part are tested with the driven part fully extended. At the
end of the test the mains supply is reconnected and the driven part is fully retracted.

– 16 – IEC 60335-2-97:2023 © IEC 2023
16 Leakage current and electric strength
This clause of Part 1 is applicable.
17 Overload protection of transformers and associated circuits
This clause of Part 1 is applicable.
18 Endurance
This clause of Part 1 is not applicable.
19 Abnormal operation
This clause of Part 1 is applicable except as follows.
19.10 Addition:
Drives for vertically moving driven parts, instead of being operated with the lowest possible
load for 1 min, are operated for one downward run.
19.11.4.8 Modification:
Replace the second paragraph by the following:
The drive shall either continue to move in the same direction of movement in its operating cycle
at which the voltage decrease occurred or a manual operation shall be required to restart it.
19.13 Addition:
If, for the tests in 19.11.2 and 19.11.3, the drive can be operated when any of the fault
conditions are simulated, the tests of 20.101 to 20.104 are carried out, the drive, however,
being supplied at rated voltage.
Either the drive continues to fulfil the requirements, or, after a maximum of one cycle of
operation:
– it shall stop with the driven part in a safe position, or
– the drive shall change to a biased-off switch mode of operation.
19.101 Drives, other than those for continuous operation, are supplied at rated voltage and
operated continuously under normal operation.
During the test, the winding temperature shall not exceed the values specified in 19.9.
20 Stability and mechanical hazards
This clause of Part 1 is applicable except as follows.

20.2 Addition:
Moving parts of drives intended to be installed at a height of at least 2,5 m above the floor or
other access level are considered to be positioned so that adequate protection is provided
against personal injury in normal use.
Test probe 18 of IEC 61032 is not applied to parts of drives that according to the installation
instructions are required to be mounted at a height of more than 1,8 m above the floor or other
access level.
The test probe that is similar to test probe B of IEC 61032 but having a circular stop face with
a diameter of 50 mm, instead of the non-circular face is not applied to parts of drives that
according to the instructions are required to be mounted at a height of more than 2,5 m above
the floor or other access level.
Test probe 19 of IEC 61032 is applied to parts of the appliance placed at a height not more
than 850 mm above the floor or other access level in normal use under the conditions specified
for test probe 18.
Stairs and terraces are examples of access levels. Surfaces not normally used for standing on,
such as window-sills, and movable equipment such as ladders, are not considered to be access
levels.
20.101 Rolling driven parts shall be prevented from unrolling in a hazardous manner.
Co
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