1、 IEC 60335-2-50Edition 4.1 2008-03INTERNATIONAL STANDARD Household and similar electrical appliances Safety Part 2-50:Particular requirements for commercial electric bains-marie IEC 60335-2-50:2002+A1:2007(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED B
2、Y BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,withou
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4、e for further information.IEC Central Office 3,rue de Varemb CH-1211 Geneva 20 Switzerland Email:inmailiec.ch Web:www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,elect
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9、919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 60335-2-50Edition 4.1 2008-03INTERNATIONAL STANDARD Household and similar electrical appliances Safety Part 2-50:Particular requirements for commercial
10、electric bains-marie INTERNATIONAL ELECTROTECHNICAL COMMISSION CBICS 97.040.20 PRICE CODEISBN 2-8318-9544-8LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60335-2-50 IEC:2002+A1:2007(E)CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 N
11、ormative references.6 3 Definitions.6 4 General requirement.7 5 General conditions for the tests.8 6 Classification.8 7 Marking and instructions.8 8 Protection against access to live parts.10 9 Starting of motor-operated appliances.10 10 Power input and current.10 11 Heating.10 12 Void.11 13 Leakage
12、 current and electric strength at operating temperature.11 14 Transient overvoltages.11 15 Moisture resistance.11 16 Leakage current and electric strength.14 17 Overload protection of transformers and associated circuits.14 18 Endurance.14 19 Abnormal operation.14 20 Stability and mechanical hazards
13、.14 21 Mechanical strength.15 22 Construction.15 23 Internal wiring.16 24 Components.17 25 Supply connection and external flexible cords.17 26 Terminals for external conductors.17 27 Provision for earthing.17 28 Screws and connections.18 29 Clearances,creepage distances and solid insulation.18 30 Re
14、sistance to heat and fire.18 31 Resistance to rusting.18 32 Radiation,toxicity and similar hazards.18 Annexes.20 Bibliography.20 Figure 101 Splash apparatus.19 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60335-2-50 IEC:2002+A1:2007
15、(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES SAFETY Part 2-50:Particular requirements for commercial electric bains-marie FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all nation
16、al 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 Commi
