SIST EN IEC 62841-4-3:2021/A11:2021

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

DOW=DOR+48 months is applied to all parts in EN IEC 62841 series
2020-07-15: common mod, no xml

Elektrische motorbetriebene handgeführte Werkzeuge, transportable Werkzeuge und Rasen- und Gartenmaschinen - Sicherheit - Teil 4-3: Besondere Anforderungen für handgeführte Rasenmäher

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

No scope available

Elektromotorna ročna orodja, prenosna orodja ter stroji za trato in vrt - Varnost - 4-3. del: Posebne zahteve za ročno vodene vrtne kosilnice - Dopolnilo A11

General Information

• Status: Published
• Public Enquiry End Date: 20-Dec-2018
• Publication Date: 06-Oct-2021
• ICS: 25.140.20 - Electric tools
• ICS: 65.060.70 - Horticultural equipment
• Technical Committee: I09 - Imaginarni 09
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 05-Oct-2021
• Due Date: 10-Dec-2021
• Completion Date: 07-Oct-2021
• Directive: Harmonized Standard2006/42/EC - Directive 2006/42/EC of the European Parliament and of the Council of 17 May 2006 on machinery, and amending Directive 95/16/EC (recast)
  OJ Ref: OJ L 194, STANDARDI TIPA C OJ Date: 02-Aug-2023
• Mandate: M/396 - Mandate to CEN and Cenelec for standardisation in the field of machinery
• Ref Project: EN IEC 62841-4-3:2021/A11:2021 - 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

Relations

• Referred By: SIST EN 12976-1:2017 - Thermal solar systems and components - Factory made systems - Part 1: General requirements
• Effective Date: 09-Feb-2026

Overview

SIST EN IEC 62841-4-3:2021/A11:2021 is a Slovenian national adoption of the European amendment EN IEC 62841-4-3:2021/A11:2021, which specifies particular safety requirements for pedestrian controlled walk-behind lawnmowers that are electric motor-operated. This standard is part of a broader series addressing hand-held tools, transportable tools, and lawn and garden machinery safety. The objective is to harmonize safety regulations for these machines across Europe, providing a framework for manufacturers to ensure product safety and compliance with EU machinery directives.

Highlights of the standard include updated provisions for labeling, performance criteria, mechanical strength, noise and vibration emissions, and specific battery-powered equipment controls. Compliance with this standard supports alignment with essential safety requirements under Directive 2006/42/EC.

Key Topics

• Scope Exclusions: The standard does not cover lawnmowers with a swing-over handle.
• Hazard Identification: Addresses significant hazards, hazardous situations, and hazardous events relevant to walk-behind lawnmowers.
• Marking & Instructions: Enhanced requirements for machine labeling, especially for rotary lawnmowers, including noise, vibration emissions, and operator protection recommendations.
• Safety Controls: Performance levels specified for safety-critical functions such as power switches, braking systems, interlocks, and traction control.
• Mechanical Requirements: Defines tests and criteria for mechanical hazards and strength.
• Battery and Isolation Devices: Specific rules for machines with integrated batteries, requiring isolation devices to mitigate mechanical hazard risks during maintenance.
• Noise and Vibration Measurement: Prescribes procedures for emission measurement and communication to users.
• Harmonization with EU Directives: Provides presumption of conformity with essential health and safety requirements under Directive 2006/42/EC.

Applications

This standard is crucial for various stakeholders in the design, manufacture, and testing of pedestrian controlled electric lawnmowers, especially in environments requiring compliance with European safety legislation. Practical applications include:

• Manufacturers and Importers: Ensures that lawnmowers placed on the EU market meet harmonized safety requirements, reducing liability and facilitating CE marking.
• Product Testing Laboratories: Offers a detailed framework for conducting compliance tests on mechanical, electrical, noise, and vibration safety.
• Safety Assessors and Regulatory Bodies: Supports risk assessment processes, facilitating market surveillance and enforcement actions.
• User Documentation and Labelling: Sets requirements for clear user instructions, warning labels, and specifying operator protective measures such as hearing protection and exposure to vibration.
• Integration with Battery Technology: Provides guidance for incorporation of battery systems, including requirements for disconnection and hazard isolation during maintenance.

Related Standards

The requirements in SIST EN IEC 62841-4-3:2021/A11:2021 are complemented by the following related standards:

• EN IEC 62841-1:2015 - General requirements for electric motor-operated hand-held tools, transportable tools, and lawn and garden machinery.
• ISO 5395 Series - Safety requirements for combustion-engine-powered lawnmowers, particularly Parts 1 and 2 on terminology, tests, and pedestrian-controlled mowers.
• IEC 60664-3 and IEC 60664-4 - Insulation coordination for low-voltage equipment.
• IEC 61058-2-6 & IEC 61058-1 - Switches for portable electric tools.
• ISO 11201 & ISO 3744 - Acoustic standards for measuring noise emissions.
• ISO 13857 - Safety distances to prevent hazard zones from being reached by upper and lower limbs.
• EN ISO 12100:2010 - General principles for risk assessment and risk reduction.
• EN 12096 - Verification of vibration emission values.

Organizations seeking to ensure the highest safety standards in lawnmower design and use are encouraged to familiarize themselves with these and other referenced documents for comprehensive compliance and product safety.

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Keywords: pedestrian controlled walk-behind lawnmowers, electric motor-operated tools, lawn and garden machinery safety, noise and vibration emissions, battery-powered lawnmowers, SIST EN IEC 62841-4-3 harmonized standard, EU Machinery Directive compliance

Standards Content (Sample)

SLOVENSKI STANDARD
01-november-2021
Elektromotorna ročna orodja, prenosna orodja ter stroji za trato in vrt - Varnost - 4-
3. del: Posebne zahteve za ročno vodene vrtne kosilnice - Dopolnilo A11
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
Elektrische motorbetriebene handgeführte Werkzeuge, transportable Werkzeuge und
Rasen- und Gartenmaschinen - Sicherheit - Teil 4-3: Besondere Anforderungen für
handgeführte Rasenmäher
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
Ta slovenski standard je istoveten z: EN IEC 62841-4-3:2021/A11:2021
ICS:
25.140.20 Električna orodja Electric tools
65.060.70 Vrtnarska oprema Horticultural equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62841-4-3:2021/A11

NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2021
ICS 65.060.70
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
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
Anforderungen für handgeführte Rasenmäher
This amendment A11 modifies the European Standard EN IEC 62841-4-3:2021; it was approved by CENELEC on 2021-05-31. CENELEC
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment 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 amendment 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/A11:2021 E

Contents
European foreword .3
1 Modification to Clause 1, “Scope” .5
2 Modification to Clause 2, “Normative references” .5
3 Modifications to Clause 8, “Marking and instructions” .5
4 Modification to Clause 18, “Abnormal operation” .6
5 Modifications to Clause 19, “Mechanical hazards” .7
6 Modification to Clause 20, “Mechanical strength” .7
7 Modifications to Annex I, “Measurement of noise and vibration emissions” .7
8 Modifications to Annex K, “Battery tools and battery packs” .7
9 Modifications to Annex L, “Battery tools and battery packs provided with mains connection or
non-isolated sources” .8
10 Modifications to Annex CC, “Rotary lawnmower foot protection test” .9
11 Addition of the Annex ZA, ”Normative references to international publications with their
corresponding European publications” . 10
12 Addition of the Annex ZZ, “Relationship between this European Standard and the essential
requirements of Directive 2006/42/EC [2006 OJ L157] aimed to be covered” . 11
13 Modification to the Bibliography . 15

European foreword
This document (EN IEC 62841-4-3:2021/A11:2021) was prepared by CLC/TC 116 “Safety and
environmental aspects of motor-operated electric tools”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2022–05–31
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2025–05–31
conflicting with this document have to be
withdrawn
This document modifies by common modifications EN IEC 62841-4-3:2021, which consists of the text of
116/467/FDIS (IEC 62841-4-3, Ed 1) prepared by IEC/TC 116 “Safety of motor-operated electric tools”.
This document is divided into four parts:
Part 1: General requirements which are common to most hand-held electric motor operated tools (for the
purpose of this document referred to simply as tools) which could come within the scope of this document;
Part 2, 3 or 4: Requirements for particular types of tools which either supplement or modify the
requirements given in Part 1 to account for the particular hazards and characteristics of these specific tools.
The Part 4-3 is to be used in conjunction with EN 62841-1:2015 and its amendments.
The Part 4-3 supplements or modifies the corresponding clauses in EN 62841-1:2015, so as to convert it
into the European Standard: Particular requirements for pedestrian controlled walk–behind lawnmowers.
Where a particular subclause of Part 1 is not mentioned in Part 4-3, that subclause applies as far as
relevant. When 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 smaller 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.
Clauses, subclauses, notes, tables, figures and annexes which are additional to those in
IEC 62841-4-3:2020 are prefixed “Z”.
This document follows the overall requirements of EN ISO 12100:2010.
This document has been prepared under a mandate given to CENELEC by the European Commission and
the European Free Trade Association and supports essential requirements of EU Directive(s).
For the relationship with EU Directive(s), see informative Annex ZZ, which is an integral part of this
document.
Compliance with the clauses of Part 1 together with Part 4-3 provides one means of conforming with the
essential health and safety requirements of the Directive concerned.
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.
1 Modification to Clause 1, “Scope”
Add the following to the existing Clause 1:
“This document does not apply to lawnmowers with a swing-over handle.
This document covers all significant hazards, hazardous situations or hazardous events relevant for
machines covered by this document.
NOTE Z101 Essential requirements not mentioned in Table ZZ.1 are deemed to be not applicable, because the
corresponding hazards are either not relevant for machines covered by this document or do not require specific action
by the designer.”
2 Modification to Clause 2, “Normative references”
Delete the normative reference for ANSI B71.1:2017.
3 Modifications to Clause 8, “Marking and instructions”
Replace the existing subclause 8.3 with the following:
“8.3 Addition:
For rotary lawnmowers, the cutting means, where replaceable during user maintenance, shall be
marked to identify the part number(s) and the manufacturer, importer or supplier. This marking is not
required to be clearly discernible from the outside of the machine.
Replacement of the sixth dash:
— the mass of the machine in kg. For this requirement, the mass of the machine includes the mass of a
supply cord with a length not less than 10 m, if any, in addition to the items specified in 5.17.”
Replace the text and NOTE after 8.14.2 c) 109) with the following:
“8.14.2 Za) Replacement:
Emissions:
1) The noise emission, measured in accordance with Clause I.2, as follows:
— A-weighted emission sound pressure level LpA and its uncertainty KpA, where LpA exceeds
70 dB(A).
Where LpA does not exceed 70 dB(A), this fact shall be indicated;
— A-weighted measured and guaranteed sound power level LWA.
2) Recommendation for the operator to wear hearing protection.
3) The vibration total value and its uncertainty measured in accordance with Clause I.3.
When the vibration total value does not exceed 2,5 m/s , this shall be stated.
When the vibration total value exceeds 2,5 m/s , its value shall be given in the instructions.
4) The following information:
— that the declared vibration total value has been measured in accordance with a standard test
method and may be used for comparing one machine with another;
— that the declared vibration total value may also be used in a preliminary assessment of exposure.
5) A warning:
— that the vibration emission during actual use of the machine can differ from the declared value
depending on the ways in which the machine is used; and
— of the need to identify safety measures to protect the operator that are based on an estimation of
exposure in the actual conditions of use (taking account of all parts of the operating cycle such as
the times when the machine is switched off and when it is running idle in addition to the trigger
time).”
4 Modification to Clause 18, “Abnormal operation”
Replace the existing subclause 18.8 with the following:
“18.8 Replacement of Table 4:
Table 4 — Required performance levels
Type and purpose of SCF Minimum Performance
Level (PL)
Power switch (operator presence control) – prevent unwanted switch- b
on
Power switch (operator presence control) – provide desired switch-off b
Provide desired direction of rotation of the cutting means Not an SCF
Provide desired direction of rotation of the traction drive a
Function to fulfil the requirements of Clause 18 a
Service brake as in 19.101.1.2 b
Parking brake as in 19.101.1.3 b
Interlocked grass catcher or guard as in 19.102.2.1 b
Prevent exceeding 150 % of the cutting means stopping time as required a
in 19.102.4 and 19.103.4
Prevent increase of rotational speed of cutting means that would cause a
non-compliance with 19.102.5
Prevent increase of rotational speed of cutting means that would cause a
non-compliance with 20.101.1
Prevent increase of rotational speed of cutting means that would cause a
non-compliance with 20.101.2
Prevent increase of rotational speed of cutting means that would cause b
non-compliance with 20.101.3
Any other speed limiting device Not an SCF
Lock-off function as required by 21.104.2 b
Traction drive control system as in 21.104.3.1 b
Prevent self-resetting as required in 23.3 a
“
5 Modifications to Clause 19, “Mechanical hazards”
In subclause 19.102.1.2.1, replace the last paragraph with the following:
“Compliance is checked by inspection, by measurement and by applying the test of 19.102.1.2.2 where the
probe shall not enter the path of the cutting means.”
Delete the subclauses 19.102.3.2, 19.102.6 and 19.102.7.
6 Modification to Clause 20, “Mechanical strength”
nd
In Subclause 20.102.2, 2 paragraph, replace “ISO 5395:2013” with “ISO 5395-1:2013”.
7 Modifications to Annex I, “Measurement of noise and vibration emissions”
Replace the title of Annex I with the following:
“Annex I
(normative)
Measurement of noise and vibration emissions”
and delete NOTE 101.
In Subclause I.2.2.1, replace the NOTE with the following one:
“
NOTE The determination of the sound power level in accordance with I.2.2.4 also provides the A-weighted
measured and guaranteed sound power level L required by the European Directive 2000/14/EC and its
WA
amendments.”
In Subclause I.2.2.4, delete the last paragraph (all text after Table I.102).
Add the following subclause I.2.9:
“I.2.9 Declaration and verification of noise emission values
Replacement of the first paragraph as follows:
The declaration of the A-weighted emission sound pressure level shall be a dual number value according
to ISO 4871:1996. It shall declare the noise emission value L and the respective uncertainty K .
pA pA
The A-weighted sound power level L shall be declared as measured value and additionally as guaranteed
WA
value (guaranteed A-weighted sound power level). The latter shall be the single number value as defined
in ISO 4871:1996.
NOTE The guaranteed A-weighted sound power level LWA is used in the European Directive 2000/14/EC. However,
its determination is not clearly defined. Considering the description in part 4 of the “Guidelines for the application of the
Directive 2000/14/EC of the European Parliament and of the Council of 8 May 2000” from 2017, it is technically
appropriate to equate the guaranteed value of the A-weighted sound power level with the single number value defined
in ISO 4871:1996.”
8 Modifications to Annex K, “Battery tools and battery packs”
th
Replace the 6 dash in Subclause K.8.3 with the following:
“— the mass of the machine in kg.”
and delete NOTE 3.
EN IEC 62841
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