Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4-3: Particular requirements for pedestrian controlled walk-behind lawnmowers (IEC 62841-4-3:2020)

IEC 62841-4-3:2020 This document applies to the design of pedestrian controlled walk-behind - cylinder lawnmowers; and - rotary lawnmowers equipped with - metallic cutting means; and/or - rigid non-metallic cutting means; and/or - non-metallic cutting means with one or more cutting elements pivotally mounted on a generally circular drive unit, where these cutting elements rely on centrifugal force to achieve cutting, and have a kinetic energy for each single cutting element of greater than 10 J. This document does not apply to - robotic lawnmowers; - remote-controlled lawnmowers; - flail mowers or flail-type attachments; - scissors type lawnmowers; - grassland mowers; - sickle bar mowers; - towed/semi-mounted grass-cutting machines; - scrub-clearing machines; - lawn trimmers and lawn edge trimmers; - lawn edgers; - grass trimmers; - brush cutters; - brush saws; - agricultural mowers; - trailing seat/sulky units; - ride-on machines; - non-powered lawnmowers; - combustion engine powered lawnmowers; - hybrid and fuel cell powered machines and associated charging systems; and - garden tractors or their attachments. Robotic lawnmowers are covered by IEC 60335-2-107, and will be covered by a future part of IEC 62841.

Elektrische motorbetriebene handgeführte Werkzeuge, transportable Werkzeuge und Rasen- und Gartenmaschinen - Sicherheit - Teil 4-3: Besondere Anforderungen für handgeführte Rasenmäher (IEC 62841-4-3:2020)

Outils électroportatifs à moteur, outils portables et machines pour jardins et pelouses - Sécurité - Partie 4-3: Exigences particulières pour tondeuses à gazon à conducteur à pied (IEC 62841-4-3:2020)

IEC 62841-4-3:2020 Le présent document s’applique à la conception des - tondeuses à lames hélicoïdales; et - tondeuses à axe vertical à conducteur à pied équipées - d'un organe de coupe métallique; et/ou - d’un organe de coupe non métallique rigide; et/ou - d’un organe de coupe non métallique avec un ou plusieurs éléments de coupe montés de façon pivotante sur une unité centrale, en général circulaire, l’action de coupe de ces éléments dépendant de la force centrifuge et l’énergie cinétique de chaque élément de coupe unique étant supérieure à 10 J. Le présent document ne s’applique pas aux: - tondeuses à gazon robotisées; - tondeuses télécommandées; - tondeuses à fléaux ou équipements à fléaux; - tondeuses à cisailles; - faucheuses; - tondeuses à barre de coupe; - tondeuses remorquées/semi-portées; - débroussailleuses; - coupe-gazon et coupe-bordures; - taille-bordures; - coupe-herbes; - débroussailleuses; - débroussailleuses à lame de scie; - tondeuses agricoles; - sièges tirés/sulkys; - machines à conducteur porté; - tondeuses non motorisées; - tondeuses à gazon à moteur à combustion interne; - machines à moteur hybride et à pile à combustible et systèmes de charge associés; et - tracteurs de jardin ou leurs équipements. Les tondeuses à gazon robotisées sont traitées par l’IEC 60335-2-107, et seront traitées par une future partie de l’IEC 62841.

Elektromotorna ročna orodja, prenosna orodja ter stroji za trato in vrt - Varnost - 4-3. del: Posebne zahteve za ročno vodene vrtne kosilnice (IEC 62841-4-3:2020)

General Information

Status
Published
Publication Date
10-Oct-2021
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
05-Oct-2021
Due Date
10-Dec-2021
Completion Date
11-Oct-2021

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SLOVENSKI STANDARD
SIST EN IEC 62841-4-3:2021
01-november-2021
Nadomešča:
SIST EN 60335-2-77:2010

Elektromotorna ročna orodja, prenosna orodja ter stroji za trato in vrt - Varnost - 4-

3. del: Posebne zahteve za ročno vodene vrtne kosilnice (IEC 62841-4-3:2020)
Electric motor-operated hand-held tools, transportable tools and lawn and garden

machinery - Safety - Part 4-3: Particular requirements for pedestrian controlled walk-

behind lawnmowers (IEC 62841-4-3:2020)
Elektrische motorbetriebene handgeführte Werkzeuge, transportable Werkzeuge und
Rasen- und Gartenmaschinen - Sicherheit - Teil 4-3: Besondere Anforderungen für
handgeführte Rasenmäher (IEC 62841-4-3:2020)

Outils électroportatifs à moteur, outils portables et machines pour jardins et pelouses -

Sécurité - Partie 4-3: Exigences particulières pour tondeuses à gazon à conducteur à

pied (IEC 62841-4-3:2020)
Ta slovenski standard je istoveten z: EN IEC 62841-4-3:2021
ICS:
25.140.20 Električna orodja Electric tools
65.060.70 Vrtnarska oprema Horticultural equipment
SIST EN IEC 62841-4-3:2021 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN IEC 62841-4-3:2021
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SIST EN IEC 62841-4-3:2021
EUROPEAN STANDARD EN IEC 62841-4-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2021
ICS 65.060.70 Supersedes EN 60335-2-77:2010 and all of its
amendments and corrigenda (if any)
English Version
Electric motor-operated hand-held tools, transportable tools and
lawn and garden machinery - Safety - Part 4-3: Particular
requirements for pedestrian controlled walk-behind lawnmowers
(IEC 62841-4-3:2020)

Outils électroportatifs à moteur, outils portables et machines Elektrische motorbetriebene handgeführte Werkzeuge,

pour jardins et pelouses - Sécurité - Partie 4-3: Exigences transportable Werkzeuge und Rasen- und

particulières pour tondeuses à gazon à conducteur à pied Gartenmaschinen - Sicherheit - Teil 4-3: Besondere

(IEC 62841-4-3:2020) Anforderungen für handgeführte Rasenmäher
(IEC 62841-4-3:2020)

This European Standard was approved by CENELEC on 2020-12-16. 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 62841-4-3:2021 E
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SIST EN IEC 62841-4-3:2021
EN IEC 62841-4-3:2021 (E)
European foreword

The text of document 116/467/FDIS, future edition 1 of IEC 62841-4-3, 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 62841-4-3:2021.
The following dates are fixed:

• latest date by which the document has to be implemented at national (dop) 2022–02–06

level by publication of an identical national standard or by endorsement

• latest date by which the national standards conflicting with the (dow) 2025–08–06

document have to be withdrawn

This document supersedes EN 60335-2-77:2010 and all of its amendments and corrigenda (if any).

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.

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 62841-4-3:2020 was approved by CENELEC as a

European Standard without any modification.
---------------------- Page: 4 ----------------------
SIST EN IEC 62841-4-3:2021
IEC 62841-4-3
Edition 1.0 2020-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electric motor-operated hand-held tools, transportable tools and lawn and
garden machinery – Safety –
Part 4-3: Particular requirements for pedestrian controlled walk-behind
lawnmowers
Outils électroportatifs à moteur, outils portables et machines pour jardins et
pelouses – Sécurité –
Partie 4-3: Exigences particulières pour tondeuses à gazon à conducteur à pied
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 65.060.70 ISBN 978-2-8322-8896-2

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 5 ----------------------
SIST EN IEC 62841-4-3:2021
– 2 – IEC 62841-4-3:2020 © IEC 2020
CONTENTS

FOREWORD ........................................................................................................................... 5

1 Scope .............................................................................................................................. 7

2 Normative references ...................................................................................................... 8

3 Terms and definitions ...................................................................................................... 9

4 General requirements .................................................................................................... 11

5 General conditions for the tests ..................................................................................... 11

6 Radiation, toxicity and similar hazards ........................................................................... 11

7 Classification ................................................................................................................. 12

8 Marking and instructions ................................................................................................ 12

9 Protection against access to live parts ........................................................................... 16

10 Starting ......................................................................................................................... 16

11 Input and current ........................................................................................................... 16

12 Heating .......................................................................................................................... 16

13 Resistance to heat and fire ............................................................................................ 17

14 Moisture resistance ....................................................................................................... 17

15 Resistance to rusting ..................................................................................................... 18

16 Overload protection of transformers and associated circuits .......................................... 18

17 Endurance ..................................................................................................................... 18

18 Abnormal operation ....................................................................................................... 19

19 Mechanical hazards ....................................................................................................... 20

20 Mechanical strength ...................................................................................................... 39

21 Construction .................................................................................................................. 41

22 Internal wiring ................................................................................................................ 46

23 Components .................................................................................................................. 46

24 Supply connection and external flexible cords ............................................................... 48

25 Terminals for external conductors .................................................................................. 50

26 Provision for earthing .................................................................................................... 50

27 Screws and connections ................................................................................................ 50

28 Creepage distances, clearances and distances through insulation ................................. 50

Annexes ............................................................................................................................... 55

Annex I (informative) Measurement of noise and vibration emissions ................................... 55

Annex K (normative) Battery tools and battery packs ........................................................... 64

Annex L (normative) Battery tools and battery packs provided with mains connection

or non-isolated sources ......................................................................................................... 80

Annex AA (normative) Safety signs ...................................................................................... 86

Annex BB (normative) Test enclosure .................................................................................. 92

Annex CC (normative) Rotary lawnmower foot protection test ............................................ 101

Annex DD (normative) Lawnmower cutting means stopping time test ................................. 110

Annex EE (informative) Example of a material and construction for fulfilling the

requirements for an artificial surface ................................................................................... 112

Bibliography ........................................................................................................................ 114

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SIST EN IEC 62841-4-3:2021
IEC 62841-4-3:2020 © IEC 2020 – 3 –

Figure 101 – Operator control zones ..................................................................................... 24

Figure 102 – Handle distance and rear cutting means enclosure for rotary lawnmowers ....... 27

Figure 103 – Example of design for rotary lawnmower front opening ..................................... 28

Figure 104 – Examples of front opening allowance for rotary lawnmowers ............................ 29

Figure 105 – Obstruction test ................................................................................................ 35

Figure 106 – Guarding of cylinder lawnmower cutting means, general .................................. 37

Figure 107 – Guarding of cylinder lawnmower cutting means, side coverage ........................ 37

Figure 108 – Guarding of cylinder lawnmower cutting means, free and rear discharge .......... 38

Figure 109 – Guarding of cylinder lawnmower cutting means, front discharge ....................... 38

Figure 110 – Cylinder lawnmower throw line and handle distance ......................................... 39

Figure 111 – Impact test fixture for handle insulation ............................................................ 42

Figure 112 – Lawnmower cutting means measurement ......................................................... 46

Figure 113 – Test assembly for accessibility of attachment plug blades ................................ 49

Figure I.101 – Microphone positions on the hemisphere (see Table I.101) ............................ 56

Figure I.102 – Examples of positions of transducers for lawnmowers .................................... 62

Figure K.301 – Examples of separable battery pack connection points and direction of

applied force ......................................................................................................................... 74

Figure AA.1 – Safety signs illustrating – "WARNING – Beware of thrown objects – keep

bystanders away" .................................................................................................................. 86

Figure AA.2 – Safety signs illustrating – "WARNING – Remove plug from mains before

maintenance or if cord is damaged" ...................................................................................... 87

Figure AA.3 – Safety sign illustrating – "WARNING – Keep the supply cord away from

the blades” ............................................................................................................................ 87

Figure AA.4 – Safety signs illustrating – "WARNING – Keep hands and feet away from

the blades" ........................................................................................................................... 88

Figure AA.5 – Safety signs illustrating – "WARNING – Disconnect battery before

maintenance" ........................................................................................................................ 89

Figure AA.6 – Safety signs illustrating – "WARNING – Remove the disabling device

before maintenance" ............................................................................................................. 90

Figure AA.7 – Safety signs illustrating – "WARNING – Activate the disabling device

before maintenance" ............................................................................................................. 91

Figure AA.8 – Safety sign illustrating – "DANGER – Keep hands and feet away" .................. 91

Figure BB.1 – Test enclosure, construction detail ................................................................. 92

Figure BB.2 – Base detail ..................................................................................................... 93

Figure BB.3 – Example of base, nail plan .............................................................................. 93

Figure BB.4 – Test enclosure, general view .......................................................................... 95

Figure BB.5 – Test enclosure, single spindle rotary lawnmower ............................................ 96

Figure BB.6 – Test enclosure, multiple spindle rotary lawnmower ......................................... 97

Figure BB.7 – Fixture for fibreboard penetration test ............................................................. 99

Figure CC.1 – Foot probe ................................................................................................... 102

Figure CC.2 – Areas to be probed for rotary lawnmowers ................................................... 104

Figure CC.3 – Area to be probed for rotary lawnmowers with movable offset handles ......... 105

Figure CC.4 – Area to be probed for air-cushion lawnmowers with single cutting means ..... 106

Figure CC.5 – Area to be probed for air-cushion lawnmowers with multiple cutting

means ................................................................................................................................. 107

Figure CC.6 – Area to be probed for rotary lawnmowers with single cutting means ............. 108

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SIST EN IEC 62841-4-3:2021
– 4 – IEC 62841-4-3:2020 © IEC 2020

Figure CC.7 – Area to be probed for rotary lawnmowers with multiple cutting means .......... 109

Figure EE.1 – Sketch of the measurement surface covered with an artificial surface ........... 113

Table 4 – Required performance levels ................................................................................. 20

Table 101 – Cutting means stopping time ............................................................................. 32

Table 102 – Permissible hits from thrown object test ............................................................. 34

Table 9 – Pull and torque value ............................................................................................ 50

Table 12 – Minimum creepage distances and clearances ...................................................... 52

Table I.101 – Co-ordinates of microphone positions .............................................................. 58

Table I.102 – Values of the constant a .................................................................................. 58

Table I.103 – Absorption coefficients .................................................................................... 59

Table 4 – Required performance levels ................................................................................. 69

Table 301 – Pull and torque value ......................................................................................... 76

Table K.1 – Minimum creepage distances and clearances between parts of different

potential ................................................................................................................................ 78

Table K.2 – Minimum total sum of creepage distances and clearances to accessible

surfaces ................................................................................................................................ 79

Table 4 – Required performance levels ................................................................................. 82

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SIST EN IEC 62841-4-3:2021
IEC 62841-4-3:2020 © IEC 2020 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRIC MOTOR-OPERATED HAND-HELD TOOLS, TRANSPORTABLE
TOOLS AND LAWN AND GARDEN MACHINERY – SAFETY –
Part 4-3: Particular requirements for pedestrian
controlled walk-behind lawnmowers
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.

International Standard IEC 62841-4-3 has been prepared by IEC technical committee 116:

Safety of motor-operated electric tools.
The text of this International standard is based on the following documents:
FDIS Report on voting
116/467/FDIS 116/478/RVD

Full information on the voting for the approval of this International Standard can be found in

the report on voting indicated in the above table.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

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SIST EN IEC 62841-4-3:2021
– 6 – IEC 62841-4-3:2020 © IEC 2020

This Part 4-3 is to be used in conjunction with the first edition of IEC 62841-1:2014.

This Part 4-3 supplements or modifies the corresponding clauses in IEC 62841-1, so as to

convert it into the IEC Standard: Particular requirements for pedestrian controlled walk-behind

lawnmowers.

Where a particular subclause of Part 1 is not mentioned in this Part 4-3, that subclause

applies as far as reasonable. Where this document 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 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 4-3 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 publication will remain unchanged until

the stability 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.

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.
---------------------- Page: 10 ----------------------
SIST EN IEC 62841-4-3:2021
IEC 62841-4-3:2020 © IEC 2020 – 7 –
ELECTRIC MOTOR-OPERATED HAND-HELD TOOLS, TRANSPORTABLE
TOOLS AND LAWN AND GARDEN MACHINERY – SAFETY –
Part 4-3: Particular requirements for pedestrian
controlled walk-behind lawnmowers
1 Scope
This clause of Part 1 is applicable, except as follows:
Addition:
This document applies to the design of pedestrian controlled walk-behind
– cylinder lawnmowers;
and
– rotary lawnmowers
equipped with
– metallic cutting means; and/or
– rigid non-metallic cutting means; and/or

– non-metallic cutting means with one or more cutting elements pivotally mounted on a

generally circular drive unit, where these cutting elements rely on centrifugal force to

achieve cutting, and have a kinetic energy for each single cutting element of greater than

10 J.

NOTE 101 Machines that have non-metallic cutting means and a kinetic energy for each single cutting element

of less than or equal to 10 J are considered to be lawn trimmers.
This document does not apply to
– robotic lawnmowers;
– remote-controlled lawnmowers;
– flail mowers or flail-type attachments;
– scissors type lawnmowers;
– grassland mowers;
– sickle bar mowers;
– towed/semi-mounted grass-cutting machines;
– scrub-clearing machines;
– lawn trimmers and lawn edge trimmers;
– lawn edgers;
– grass trimmers;
– brush cutters;
– brush saws;
– agricultural mowers;
– trailing seat/sulky units;
– ride-on machines;
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SIST EN IEC 62841-4-3:2021
– 8 – IEC 62841-4-3:2020 © IEC 2020
– non-powered lawnmowers;
– combustion engine powered lawnmowers;
– hybrid and fuel cell powered machines and associated charging systems; and
– garden tractors or their attachments.

NOTE 102 Robotic lawnmowers are covered by IEC 60335-2-107, and will be covered by a future part of

IEC 62841.
NOTE 103 Lawn trimmers and lawn edge trimmers are covered by IEC 60335-2-91.

NOTE 104 Lawn trimmers, lawn edge trimmers, grass trimmers, brush cutters and brush saws will be covered by

a future part of IEC 62841.
NOTE 105 Lawn edgers will be covered by a future part of IEC 62841.
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

IEC 61058-2-6:2018, Switches for appliances – Part 2-6: Particular requirements for switches

used in electric motor-operated hand-held tools, transportable tools and lawn and garden

machinery
IEC 61672-1, Electroacoustics – Sound level meters – Part 1: Specifications

ISO 354:2003, Acoustics – Measurement of sound absorption in a reverberation room

ISO 5395-1:2013, Garden equipment – Safety requirements for combustion-engine-powered

lawnmowers – Part 1: Terminology and common tests
ISO 5395-1:2013/AMD1:2017

ISO 5395-2:2013/AMD1:2016, Garden equipment – Safety requirements for combustion-

engine-powered lawnmowers – Part 2: Pedestrian-controlled lawnmowers
ISO 5395-2:2013/AMD1:2016/AMD2:2017

ISO 13857:2019, Safety of machinery – Safety distances to prevent hazard zones being

reached by upper and lower limbs

ANSI B71.1:2017, Consumer turf care equipment – Pedestrian-controlled mowers and ride-on

mowers – Safety specifications

EN 12096, Mechanical Vibration – Declaration and Verification of Vibration Emission Values

Replacement:
IEC 61058-1:2016, Switches for appliances – Part 1: General requirements
---------------------- Page: 12 ----------------------
SIST EN IEC 62841-4-3:2021
IEC 62841-4-3:2020 © IEC 2020 – 9 –

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

ISO 11201:2010, Acoustics – Noise emitted by machinery and equipment – Determination of

emission sound pressure levels at a work station and at other specified positions in an

essentially free field over a reflecting plane with negligible environmental corrections

3 Terms and definitions
This clause of Part 1 is applicable, except as follows:
3.101
cutter bar

stationary device used on a cylinder lawnmower to provide a shearing action in combination

with the cutting means
3.102
cutting height

shortest vertical distance between the cutting edge of the cutting means and the supporting

surface of a lawnmower
3.103
cutting means

rotating mechanism or rotating part of the lawnmower that is designed to perform the cutting

action
Note 101 to entry: Cutting means are also known as blades, cutting cyli
...

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