SIST EN IEC 62841-4-5:2022
(Main)Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4-5: Particular requirements for grass shears
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4-5: Particular requirements for grass shears
This document applies to grass shears with a maximum cutting width of 200 mm designed
primarily for cutting grass.
This document does not apply to hedge trimmers.
NOTE 101 Hedge trimmers are covered by IEC 62841-4-2.
Elektrische motorbetriebene handgeführte Werkzeuge, transportable Werkzeuge und Rasen- und Gartenmaschinen – Sicherheit – Teil 4-5: Besondere Anforderungen für Grasscheren
Outils électroportatifs à moteur, outils portables et machines pour jardins et pelouses - Sécurité - Partie 4-5: Exigences particulières pour les cisailles à gazon
IEC 62841-4-5:2021 Le présent document s'applique aux cisailles à gazon d'une largeur de coupe maximale de 200 mm, conçues principalement pour la tonte du gazon.
Le présent document ne s'applique pas aux taille-haies.
Les taille-haies sont couverts par l'IEC 62841-4-2.
Elektromotorna ročna orodja, prenosna orodja ter stroji za trato in vrt - Varnost - 4-5. del: Posebne zahteve za škarje za travo
Ta dokument se uporablja za škarje za travo z največjo širino rezanja 200 mm, ki so zasnovane predvsem za rezanje trave.
Ta dokument se ne uporablja za škarje za živo mejo.
OPOMBA 101: Škarje za živo mejo so zajete v standardu IEC 62841-4-2.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN IEC 62841-4-5:2022
01-februar-2022
Elektromotorna ročna orodja, prenosna orodja ter stroji za trato in vrt - Varnost - 4-
5. del: Posebne zahteve za škarje za travo
Electric motor-operated hand-held tools, transportable tools and lawn and garden
machinery - Safety - Part 4-5: Particular requirements for grass shears
Elektrische motorbetriebene handgeführte Werkzeuge, transportable Werkzeuge und
Rasen- und Gartenmaschinen – Sicherheit – Teil 4-5: Besondere Anforderungen für
Grasscheren
Ta slovenski standard je istoveten z: EN IEC 62841-4-5:2021
ICS:
25.140.20 Električna orodja Electric tools
65.060.70 Vrtnarska oprema Horticultural equipment
SIST EN IEC 62841-4-5:2022 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN IEC 62841-4-5:2022
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SIST EN IEC 62841-4-5:2022
EUROPEAN STANDARD EN IEC 62841-4-5
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2021
ICS 25.140.20
English Version
Electric motor-operated hand-held tools, transportable tools and
lawn and garden machinery - Safety - Part 4-5: Particular
requirements for grass shears
(IEC 62841-4-5:2021)
Outils électroportatifs à moteur, outils portables et machines Elektrische motorbetriebene handgeführte Werkzeuge,
pour jardins et pelouses - Sécurité - Partie 4-5: Exigences transportable Werkzeuge und Rasen- und
particulières pour les cisailles à gazon Gartenmaschinen - Sicherheit - Teil 4-5: Besondere
(IEC 62841-4-5:2021) Anforderungen für Grasscheren
(IEC 62841-4-5:2021)
This European Standard was approved by CENELEC on 2021-09-28. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62841-4-5:2021 E
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EN IEC 62841-4-5:2021 (E)
European foreword
The text of document 116/495/FDIS, future edition 1 of IEC 62841-4-5, prepared by IEC/TC 116
"Safety of motor-operated electric tools" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN IEC 62841-4-5:2021.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2022-06-28
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2025-09-28
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a Standardization Request given to CENELEC by the
European Commission and the European Free Trade Association, and supports essential
requirements of EU Directive(s) / Regulation(s).
For the relationship with EU Directive(s) / Regulation(s), see informative Annex ZZ, which is an
integral part of EN IEC 62841-4-5:2021/A11:2021.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 62841-4-5:2021 was approved by CENELEC as a
European Standard without any modification.
2
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IEC 62841-4-5
®
Edition 1.0 2021-08
INTERNATIONAL
STANDARD
Electric motor-operated hand-held tools, transportable tools and lawn and
garden machinery – Safety –
Part 4-5: Particular requirements for grass shears
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.140.20 ISBN 978-2-8322-9807-7
Warning! Make sure that you obtained this publication from an authorized distributor.
® Registered trademark of the International Electrotechnical Commission
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CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 General requirements . 11
5 General conditions for the tests . 11
6 Radiation, toxicity and similar hazards . 12
7 Classification . 12
8 Marking and instructions . 12
9 Protection against access to live parts . 14
10 Starting . 14
11 Input and current . 14
12 Heating . 14
13 Resistance to heat and fire . 15
14 Moisture resistance . 15
15 Resistance to rusting . 15
16 Overload protection of transformers and associated circuits . 15
17 Endurance . 16
18 Abnormal operation . 16
19 Mechanical hazards . 16
20 Mechanical strength . 28
21 Construction . 35
22 Internal wiring . 38
23 Components . 38
24 Supply connection and external flexible cords . 38
25 Terminals for external conductors . 40
26 Provision for earthing . 40
27 Screws and connections . 40
28 Creepage distances, clearances and distances through insulation . 40
Annexes . 45
Annex I (informative) Measurement of noise and vibration emissions . 45
Annex K (normative) Battery tools and battery packs . 53
Annex L (normative) Battery tools and battery packs provided with mains connection
or non-isolated sources . 62
Annex AA (normative) Safety signs for safety instructions and warnings . 67
Annex BB (informative) Example of a material and construction fulfilling the
requirements for an artificial surface . 69
Bibliography . 71
Figure 101 – Cutting device with one cutter blade and shear plate . 9
Figure 102 – Cutting device with two cutter blades . 10
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Figure 103 – Examples of grass shears . 11
Figure 104 – Measurement of handle dimensions . 18
Figure 105 – Measurement of handle dimensions for machines fitted with an extension
shaft . 19
Figure 106 – Minimum radial clearance around the power switch . 19
Figure 107 – Examples of handle attachment and measurement of distance for hand
protection . 22
Figure 108 – Measurement of distance for hand protection for machines with a front
hand barrier . 24
Figure 109 – Measurement of distance for hand protection for machines with bail or
closed handles or centrally supported (i.e. T-type) handles without a front hand barrier . 25
Figure 110 – Projection incorporated as an integral part of a cutter blade . 26
Figure 111 – Projection incorporated as an integral part of a shear plate . 27
Figure 112 – Projection as a separate stationary plate . 28
Figure 113 – Grass shear positions for drop test . 31
Figure 114 – Impact test apparatus for handle insulation . 33
Figure 115 – Cutting device strength test . 34
Figure 116 – Example of a lock-off device located within the gripping surface of a
handle . 37
Figure 117 – Example of an operator presence sensor. 38
Figure 118 – Test assembly for accessibility of attachment plug blades . 39
Figure I.101 – Microphone positions on the hemisphere (see Table I.101) . 45
Figure I.102 – Positions of transducers for grass shears . 51
Figure AA.1 – Safety sign illustrating – "DANGER – Keep hands away from blade". 67
Figure AA.2 – Alternative safety sign illustrating – "DANGER – Keep hands away from
blade" . 67
Figure AA.3 – Safety sign illustrating – "Do not expose to rain" . 68
Figure AA.4 – Safety sign illustrating – "Remove plug from the mains immediately if the
cable is damaged or cut" . 68
Figure AA.5 – Safety sign illustrating – "Wear ear protection" . 68
Figure BB.1 – Sketch of the measurement surface covered with an artificial surface . 70
Table 4 – Required performance levels . 16
Table 7 – Switch trigger force . 35
Table 12 – Minimum creepage distances and clearances . 42
Table I.101 – Coordinates of microphone positions . 47
Table I.102 – Absorption coefficients . 47
Table 301 – Pull and torque value . 58
Table K.1 – Minimum creepage distances and clearances between parts of different
potential . 59
Table K.2 – Minimum total sum of creepage distances and clearances to accessible
surfaces . 60
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INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRIC MOTOR-OPERATED HAND-HELD TOOLS, TRANSPORTABLE
TOOLS AND LAWN AND GARDEN MACHINERY –
SAFETY –
Part 4-5: Particular requirements for grass shears
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) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
IEC 62841-4-5 has been prepared by IEC technical committee 116: Safety of motor-operated
electric tools. It is an International Standard.
The text of this International Standard is based on the following documents:
FDIS Report on voting
116/495/FDIS 116/502/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.
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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.
This Part 4-5 is to be used in conjunction with the first edition of IEC 62841-1:2014.
This Part 4-5 supplements or modifies the corresponding clauses in IEC 62841-1, so as to
convert it into the IEC Standard: Particular requirements for grass shears.
Where a particular subclause of Part 1 is not mentioned in this Part 4-5, that subclause
applies as far as relevant. Where this standard states "addition", "modification" or
"replacement", the relevant text in Part 1 is to be adapted accordingly.
The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
notes: in small roman type.
–
The terms defined in Clause 3 are printed in bold typeface.
Subclauses, notes, tables and figures which are additional to those in Part 1, except as
described for Annex K and Annex L below, are numbered starting from 101.
Subclauses, notes, tables and figures in Annex K and Annex L which are additional to those in
the main body of this Part 4-5 are numbered starting from 301.
A list of all parts of the IEC 62841 series, under the general title: Electric motor-operated
hand-held tools, transportable tools and lawn and garden machinery – Safety, can be found
on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
NOTE The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations may 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 36 months from the date of publication.
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INTRODUCTION
The International Electrotechnical Commission (IEC) draws attention to the fact that it is
claimed that compliance with this document may involve the use of a patent. IEC takes no
position concerning the evidence, validity, and scope of this patent right.
The holder of this patent right has assured IEC that s/he is willing to negotiate licences under
reasonable and non-discriminatory terms and conditions with applicants throughout the world.
In this respect, the statement of the holder of this patent right is registered with IEC.
Information may be obtained from the patent database available at http://patents.iec.ch.
Attention is drawn to the possibility that some of the elements of this document may be the
subject of patent rights other than those in the patent database. IEC shall not be held
responsible for identifying any or all such patent rights.
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IEC 62841-4-5:2021 © IEC 2021 – 7 –
ELECTRIC MOTOR-OPERATED HAND-HELD TOOLS, TRANSPORTABLE
TOOLS AND LAWN AND GARDEN MACHINERY –
SAFETY –
Part 4-5: Particular requirements for grass shears
1 Scope
This clause of Part 1 is applicable, except as follows.
Addition:
This document applies to grass shears with a maximum cutting width of 200 mm designed
primarily for cutting grass.
This document does not apply to hedge trimmers.
NOTE 101 Hedge trimmers are covered by IEC 62841-4-2.
2 Normative references
This clause of Part 1 is applicable, except as follows.
Addition:
IEC 60664-3, Insulation coordination for equipment within low-voltage systems – Part 3: Use
of coating, potting or moulding for protection against pollution
IEC 60664-4, Insulation coordination for equipment within low-voltage systems – Part 4:
Consideration of high-frequency voltage stress
ISO 354:2003, Acoustics – Measurement of sound absorption in a reverberation room
1
ISO 22868:2011 , Forestry and gardening machinery – Noise test code for portable hand-held
machines with internal combustion engine – Engineering method (Grade 2 accuracy)
Replacement:
ISO 3744:2010, Acoustics – Determination of sound power levels and sound energy levels of
noise sources using sound pressure – Engineering methods for an essentially free field over a
reflecting plane
______________
1
Withdrawn.
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3 Terms and definitions
This clause of Part 1 is applicable, except as follows.
3.101
blade tooth
part of the cutter blade which is sharpened to perform the shearing action
Note 101 to entry: See Figure 101 and Figure 102.
3.102
cutter blade
part of the cutting device having blade teeth which cut by shearing action either against
other blade teeth or against a shear plate
Note 101 to entry: See Figure 101 and Figure 102.
3.103
cutting device
part of the assembly of cutter blade and shear plate or of two cutter blades together with
any supporting part which performs the cutting action
Note 101 to entry: See Figure 101 and Figure 102.
3.104
cutting width
effective width of cut of the cutting device measured from the inside edge of the first blade
tooth or shear plate tooth to the inside edge of the last blade tooth or shear plate tooth,
whichever is the greater
Note 101 to entry: See Figure 101 and Figure 102.
3.105
extension shaft
shaft which enables the operator to cut grass while in a standing position, which is either
permanently attached to or removable from the machine
3.106
grass shear
hand-held scissors type grass-cutting machine with either one or two cutter blades where
either one or both cutter blade(s) reciprocate along a straight or curved path
Note 101 to entry: See Figure 103.
Note 102 to entry: These machines are intended to be held in the hand during normal use, including machines
which will not maintain their operating position unless supported, possibly with an extension shaft and/or assisted
by wheel(s), skid(s) or similar.
3.107
maximum speed
highest cutting device speed attainable under all conditions of normal use, including no-load
3.108
operator presence sensor
device to detect the presence of an operator’s hand
3.109
projection
part of the cutter blade or shear plate or a separate component which extends beyond the
shearing portion of the cutting device
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Note 101 to entry: See Figure 110, Figure 111 and Figure 112.
3.110
shear plate
moving or stationary unsharpened part of the cutting device which assists cutting by
shearing action against a cutter blade
Note 101 to entry: See Figure 101.
Top view Bottom view
Key
1 cutter blade
2 shear plate with projections
3 sharpened edge of blade tooth
4 blade tooth
5 cutting width
6 portion of shear plate which assists cutting by shearing action against a cutter blade
7 cutting device
Figure 101 – Cutting device with one cutter blade and shear plate
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Top view Bottom view
Key
1 cutter blade (top)
2 cutter blade (bottom) with projections
3 sharpened edge of blade tooth
4 blade tooth
5 cutting width
6 cutting device
Figure 102 – Cutting device with two cutter blades
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a) Grass shear without extension shaft
b) Grass shear with extension shaft
Figure 103 – Examples of grass shears
4 General requirements
This clause of Part 1 is applicable.
5 General conditions for the tests
This clause of Part 1 is applicable, except as follows.
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5.8 Addition:
If different cutting devices for cutting grass can be mounted on the machine in accordance
with 8.14.2 a) and 8.14.2 b), the cutting devices are regarded as attachments.
5.17 Addition:
The mass of the machine excludes the cutting device cover.
5.101 The tests are carried out on the machine as supplied. However, a machine
constructed as a single machine but supplied in a number of units is tested after assembly in
accordance with 8.14.2.
5.102 Unless otherwise specified, for Clauses 19 and 21, machines are tested in each
operating configuration as described in 8.14.2.
5.103 For machines that do not attain maximum speed under no load conditions, the
manufacturer shall provide samples with special hardware and/or software in order to perform
the required tests.
6 Radiation, toxicity and similar hazards
This clause of Part 1 is applicable.
7 Classification
This clause of Part 1 is applicable.
8 Marking and instructions
This clause of Part 1 is applicable, except as follows.
8.2 Addition:
Grass shears shall be marked with the following safety information, as applicable, which shall
be written in one of the official languages of the country in which the machine is to be sold or
marked with the appropriate symbol.
For all machines:
– “Wear ear protection”, a relevant safety sign of ISO 7010 or the safety sign specified in
Figure AA.5. This marking may be omitted if the measured emission sound pressure level
at the operator’s ear in accordance with Annex I does not exceed 85 dB(A); and
– " DANGER – Keep hands away from blade"; or
– the safety sign specified in Figure AA.1; or
– the safety sign specified in Figure AA.2.
The DANGER marking or s
...
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