1、 IEC 60335-2-90 Edition 4.0 2015-08 INTERNA TIONAL STA NDA RD Household and similar electrical appliances Safety Part 2-90:Particular requirements for commercial microwav e ov ens IEC 60335-2-90:2015-08(en)Copyright International Electrotechnical Commission THIS PUBLICA TION IS COPYRIGHT PROTECTED C
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11、 2015-08 INTER NA TIONAL STA NDA R D Household and similar electrical appliances Safety Part 2-90:Particular requirements for commercial microwav e ov ens INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 97.040.20 ISBN 978-2-8322-2857-9 R egist er ed tr ademar k of t he Int er national Electr ot echnic
12、al Commission Warning!Make sure that you obtained this publication from an authorized distributor.Copyright International Electrotechnical Commission 2 IEC 60335-2-90:2015 IEC 2015 CONTENTS FOREWORD.4 INTRODUCTION.7 1 Scope.8 2 Normative references.9 3 Definitions.9 4 General requirement.12 5 Genera
13、l conditions for the tests.12 6 Classification.13 7 Marking and instructions.13 8 Protection against access to live parts.15 9 Starting of motor-operated appliances.15 10 Power input and current.15 11 Heating.15 12 Void.16 13 Leakage current and electric strength at operating temperature.16 14 Trans
14、ient overvoltages.16 15 Moisture resistance.16 16 Leakage current and electric strength.16 17 Overload protection of transformers and associated circuits.17 18 Endurance.17 19 Abnormal operation.18 20 Stability and mechanical hazards.19 21 Mechanical strength.20 22 Construction.22 23 Internal wiring
15、.26 24 Components.26 25 Supply connection and external flexible cords.27 26 Terminals for external conductors.28 27 Provision for earthing.28 28 Screws and connections.28 29 Clearances,creepage distances and solid insulation.28 30 Resistance to heat and fire.28 31 Resistance to rusting.28 32 Radiati
16、on,toxicity and similar hazards.28 Annex A(informative)Routine tests.30 Annex AA(normative)Combination microwave ovens.32 Annex BB(normative)Requirements for commercial microwave ovens without a cavity door and with conveyor-type means.34 Annex CC(informative)Overview of the requirements for covers,means of access and similar.47 Annex DD(informative)Rationales for the microwave barrier and associated leakage tests.48 Copyright International Electrotechnical Commission IEC 60335-2-90:2015 IEC 201