IEC IEC 62841-4-9 Edition 1.0 2026-01 INTERNATIONAL STANDARD Electric motor-operated hand-held tools,transportable tools and lawn and garden machinery -Safety - Part 4-9: Particular requirements for battery-powered chain saws for tree service IEC 62841-4-9:2026-01(en) ICS 25.140.20 ISBN 978-2-8327-0824-8 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright@2026IEC,Geneva,Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC memberNational Committee for further information. IEC Secretariat Tel.: +41 22 919 02 11 3, rue de Varembé [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigendum or an amendment might have been published. IECpublications search - IEc Products &Services Portal-products.iec.ch webstore.iec.ch/advsearchform Discover our powerful search engine and read freely all the The advanced search enables to find IEC publications by a With a subscription you wili always have access to up to date variety of criteria (reference number, text, technical committee, ...)..It also gives information on projects, content tailored to your needs. replaced and withdrawn publications. Electropedia-www.electropedia.org IEC Just Published -webstore.iec.ch/justpublished The world's leading online dictionary on electrotechnology Stay up to date on all new IEC publications. Just Published containing more than 22 500 terminological entries in English details all new publications released. Available online and and French, with equivalent terms in 25 additional languages once a month by email. Also known as the international Electrotechnical Vocabulary (IEV) online. IEC Customer Service Centre - webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: [email protected]. Warning!Makesurethatyouobtainedthispublicationfromanauthorizeddistributor IEC62841-4-9:2026IEC2026 CONTENTS FOREWORD. 1 Scope. 2 Normative references.. 3 Terms and definitions. 4 General requirements. 10 5 General conditions for thetests 10 6 Radiation,toxicityand similarhazards 11 7 Classification 11 8 Marking and instructions. 9 Protection against access to live parts 10 Starting 11 Input and current 11 12 Heating.. 11 13 Resistance to heat and fire. 11 14 Moisture resistance. .12 15 Resistance to rusting 16 Overloadprotectionof transformersandassociated circuits 12 17 Endurance 18 Abnormal operation 19 Mechanical hazards 12 20 Mechanical strength 12 21 Construction 12 22 Internal wiring 13 23 Components. 24 Supply connection and external flexible cords. .13 25 Terminals for external conductors.. .13 26 Provision for earthing. 13 27 Screws and connections 13 28 Creepagedistances, clearances and distances through insulation. Annexes 14 AnnexI(informative)Measurementofnoiseandvibrationemissions. .15 AnnexK(normative)Batterytoolsandbatterypacks... ..23 AnnexL(normative)Batterytoolsandbatterypacksprovidedwithmains connection ornon-isolatedsources... ...60 AnnexAA(normative)Product safetylabels. ..61 AnnexBB (informative)Working with chain saws at height. .64 Annex Cc (informative) Example of a material and construction fulfilling the requirements for an artificial surface.. .69 Bibliography.. 71 Figure 101- Chain saw nomenclature 10 Figure1.101-Microphonepositionsonthehemisphere .15 IEC62841-4-9:2026IEC2026 .22 Figure I.102 -Positions of transducers for chain saws Figure K.301-Holding the chain saw.. .. 27 Figure K.302 - Minimum dimensions of the rear hand guard ..35 Figure K.303 - Straight test probe. .36 Figure K.304 - Application of