IEC-60335-2-91-2002.pdf
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1、INTERNATIONAL STANDARD IEC 6 O 3 3 5-219 I Second edition 2002-08 Household and similar electrical appliances - Safety - Part 2-91 : Particular requirements for walk-behind and hand-held lawn trimmers and lawn edge trimmers A pp areils lec trodomes tiq ues et an a log ues - Scurit - Partie 2-91: Rgl
2、es particulires pour les coupe-gazon et les coupe-bordures portatifs et conducteur pied Reference number IEC 60335-2-91 :2002(E) Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/09/2007 0
3、7:49:10 MSTNo reproduction or networking permitted without license from IHS -,-,- Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1. Consolidated editions The IEC is now publish
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9、tance, please contact the Customer Service Centre: Email: custserviec.ch Tel: +41 22 919 02 11 Fax: +41 22 919 03 O0 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/09/2007 07:49:10 MSTN
10、o reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL I EC STANDARD 60335-2-91 Second edition 2002-08 Household and similar electrical appliances - Safety - Part 2-91 : Particular requirements for walk-behind and hand-held lawn trimmers and lawn edge trimmers A ppa reil
11、s lec trodom estiques et analogues - Scurit - Partie 2-91: Rgles particulires pour les coupe-gazon et les coupe-bordures portatifs et conducteur pied O IEC 2002 - Copyright - all rights reserved No part of this publication may be reproduced or utilized in any form or by any means, electronic or mech
12、anical, including photocopying and microfilm, without permission in writing from the publisher. International Electrotechnical Commission, 3, rue de Varembe, PO Box 131, CH-121 1 Geneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 O0 E-mail: inmailiec.ch Web: www.iec.ch Commiss
13、ion Electrotechnique Internationale PRICECODE N International Electrotechnical Commission MeXayHpOflHR 3JleKTpOTeXHH4eCKa!4 KOMHCCHR For price, see current catalogue Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing
14、, Bernie Not for Resale, 03/09/2007 07:49:10 MSTNo reproduction or networking permitted without license from IHS -,-,- - 2 - 60335-2-91 O IEC:2002(E) CONTENTS FOREWORD 4 INTRODUCTION 6 1 Scope 7 2 Normative references . 7 3 Definitions . 8 4 General requirement 8 5 General conditions for the tests .
15、 8 6 Classification . 9 7 Marking and instructions . 9 8 Protection against access to live parts I O 9 10 Power input and current 11 Heating . 10 12 Void 11 Starting of motor-operated appliances 1 0 13 Leakage current and electric strength at operating temperature 11 14 Transient overvoltages 11 15
16、Moisture resistance . 11 16 Leakage current and electric strength . 11 17 Overload protection of transformers and associated circuits 11 18 Endurance . 11 19 Abnormal operation . 11 20 Stability and mechanical hazards 11 21 Mechanical strength 12 22 Construction . 14 23 Internal wiring ; 16 24 Compo
17、nents . 16 25 Supply connection and external flexible cords . 16 26 Terminals for external conductors . 16 27 Provision for earthing . . 16 28 Screws and connections . 16 29 Clearances, creepage distances and solid insulation 16 30 Resistance to heat and fire . 17 32 Radiation, toxicity and similar
18、hazards 17 31 Resistance to rusting 17 Annexes 22 Annex AA (normative) Principles of guarding 22 Annex BB (normative) Examples of symbols which may be used on lawn trimmers and lawn edge trimmers . 26 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=
19、IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/09/2007 07:49:10 MSTNo reproduction or networking permitted without license from IHS -,-,- 60335-2-91 O IEC:2002(E) - 3 - Bibliography 28 Table AA.l . Extent of reach . 23 Table AA.2 . Values of a and b . 24 Table AA.3 -Values of a and b
20、 . 24 Figure 101 . Guard. lawn trimmer . 18 Figure 102 - Guard, lawn edge trimmer 19 Figure 103 - Guard strength test (hand-held appliances) . 20 21 . 25 Figure 104 - Cutting head strength test Figure 105 - Cutting means measurement Figure AA.l - Determination of standard aperture . Copyright Intern
21、ational Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/09/2007 07:49:10 MSTNo reproduction or networking permitted without license from IHS -,-,- - 4 - 60335-2-91 O IEC:2002(E) INTERNATIONAL ELECTROTECHNICAL C
22、OMMISSION FDIS HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - Report on voting Part 2-91 : Particular requirements for walk-behind and hand-held lawn trimmers and lawn edge trimmers FOREWORD The IEC (International Electrotechnical Commission) is a worldwide organization for standardization c
23、omprising all national electrotechnical committees (IEC National Committees). The object of the 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, the IEC publishes Interna
24、tional Standards. 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 preparatio
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