1、INTERNATIONALSTANDARDIEC60335-2-73Second edition2002-10Household and similar electrical appliances Safety Part 2-73:Particular requirements for fixedimmersion heatersAppareils lectrodomestiques et analogues Scurit Partie 2-73:Rgles particulires pour les thermoplongeurs installs poste fixeReference n
2、umberIEC 60335-2-73:2002(E)Publication numberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editionsThe IEC is now publishing consolidated versions of its publications.For example,edi
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8、tserviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00INTERNATIONALSTANDARDIEC60335-2-73Second edition2002-10Household and similar electrical appliances Safety Part 2-73:Particular requirements for fixedimmersion heatersAppareils lectrodomestiques et analogues Scurit Partie 2-73:Rgles particulires pour
9、 les thermoplongeurs installs poste fixe IEC 2002 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotech
10、nical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chFFor price,see current cataloguePRICE CODECommission Electrotechnique InternationaleInternational Electrotechnical Commission 2 60335-2-73 IE
11、C:2002(E)CONTENTSFOREWORD.3INTRODUCTION.51Scope.62Normative references.63Definitions.74General requirement.75General conditions for the tests.76Classification.77Marking and instructions.78Protection against access to live parts.89Starting of motor-operated appliances.810Power input and current.811He
12、ating.812Void.813Leakage current and electric strength at operating temperature.814Transient overvoltages.815Moisture resistance.816Leakage current and electric strength.817Overload protection of transformers and associated circuits.918Endurance.919Abnormal operation.920Stability and mechanical haza
13、rds.921Mechanical strength.922Construction.923Internal wiring.924Components.1025Supply connection and external flexible cords.1026Terminals for external conductors.1027Provision for earthing.1028Screws and connections.1029Clearances,creepage distances and solid insulation.1030Resistance to heat and
14、fire.1031Resistance to rusting.1032Radiation,toxicity and similar hazards.10Annexes.11Bibliography.1160335-2-73 IEC:2002(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION_HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES SAFETY Part 2-73:Particular requirements for fixed immersion heatersFOREWORD1)The IEC(Int
15、ernational Electrotechnical Commission)is a worldwide organization for standardization comprisingall national electrotechnical committees(IEC National Committees).The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electroni
16、c fields.Tothis end and in addition to other activities,the IEC publishes International Standards.Their preparation isentrusted to technical committees;any IEC National Committee interested in the subject dealt with mayparticipate in this preparatory work.International,governmental and non-governmental organizations liaisingwith the IEC also participate in this preparation.The IEC collaborates closely with the InternationalOrganization for Standardization(ISO)in accordance with conditions determ