EN 60335-2-12-2003 en Household and similar electrical appliances - Safety Part 2-12 Particular requirements for warming plates and similar appliances (Incorporates Amendment A1 20.pdf

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1、BRITISH STANDARD BS EN 60335-2-12: 2003+A1:2008 Household and similar electrical appliances Safety Part 2-12: Particular requirements for warming plates and similar appliances ICS 13.120; 97.040.50 BS EN 60335-2-12:2003+A1:2008 This British Standard was published under the authority of the Standards

2、 Policy and Strategy Committee on 21 August 2003 BSI 2008 ISBN 978 0 580 64530 3 National foreword This British Standard is the UK implementation of EN 60335-2-12:2003+A1:2008. It is identical with IEC 60335-2-12:2002, incorporating amendment 1:2008. It supersedes BS EN 60335-2-12:2003 which will be

3、 withdrawn on 2013-05-01. The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to IEC text carry the number of the IEC amendment. For example, text altered by IEC amendment 1 is indicated by !“. The UK participation in its preparat

4、ion was entrusted by Technical Committee CPL/61, Safety of household and similar electrical appliances, to Subcommittee CPL/61/07, Safety of electric appliances, heated appliance group. A list of organizations represented on this subcommittee can be obtained on request to its secretary. This publica

5、tion does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication Date Comments 30 September 2008 Implementat

6、ion of IEC amendment 1:2008 with CENELEC endorsement A1:2008EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM June 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat

7、: rue de Stassart 35, B - 1050 Brussels 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60335-2-12:2003 E ICS 13.120; 97.040.50 Supersedes EN 60335-2-12:1995English version Household and similar electrical appliances - Safety

8、 Part 2-12: Particular requirements for warming plates and similar appliances (IEC 60335-2-12:2002) Appareils lectrodomestiques et analogues - Scurit Partie 2-12: Rgles particulires pour les chauffe-plats et appareils analogues (CEI 60335-2-12:2002) Sicherheit elektrischer Gerte fr den Hausgebrauch

9、und hnliche Zwecke Teil 2-12: Besondere Anforderungen fr Warmhalteplatten und hnliche Gerte (IEC 60335-2-12:2002) This European Standard was approved by CENELEC on 2003-05-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

10、 European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions

11、 (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Aus

12、tria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EN 60335-2-12:2003+A1 Foreword The text of the International Standard IEC 60335-2-12:

13、2002 (61/2232/FDIS), prepared by the IEC Technical Committee 61, Safety of household and similar electrical appliances, was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 60335-2-12 on 2003-05-01. This European Standard replaces EN 60335-2-12:1995. The following dates

14、 are applicable: - latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2004-05-01 - date on which national standards conflicting with the EN have to be withdrawn (dow) 2006-05-01 This part 2 has to be used in co

15、njunction with EN 60335-1, Household and similar electrical appliances Safety Part 1: General requirements. It was established on the basis of the 2002 edition of that standard. Amendments and revisions of Part 1 have also to be taken into account and the dates when such changes become applicable wi

16、ll be stated in the relevant amendment or revision of Part 1. This part 2 supplements or modifies the corresponding clauses of EN 60335-1, so as to convert it into the European Standard: Safety requirements for electric warming plates and similar appliances. When a particular subclause of Part 1 is

17、not mentioned in this part 2, that subclause applies as far as is reasonable. When this standard states “addition“, “modification“ or “replacement“, the relevant text of Part 1 is to be adapted accordingly. NOTE 1 The following numbering system is used: - subclauses, tables and figures that are numb

18、ered starting from 101 are additional to those in Part 1; - unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from 101, including those in a replaced clause or subclause; - additional annexes are lettered AA, BB, etc.; - subclauses, notes and annexes that are

19、 additional to those in the IEC standard are prefixed with the letter Z. NOTE 2 The following print types are used: - requirements: in roman type; - test specifications: in italic type; - notes: in small roman type. Words in bold in the text are defined in Clause 3. When a definition concerns an adj

20、ective, the adjective and the associated noun are also in bold. There are no special national conditions causing a deviation from this European Standard, other than those listed in Annex ZA to EN 60335-1. There are no national deviations from this European Standard, other than those listed in Annex

21、ZB to EN 60335-1. _ Page2 BS EN 60335-2-12:2003+A1:2008Introduction An investigation by CENELEC TC 61 has shown that all risks from products within the scope of this standard are fully covered by the Low Voltage Directive, 73/23/EEC. For products having mechanical moving parts, a risk assessment in

22、accordance with the Machinery Directive, 98/37/EC, has shown that the risks are mainly of electrical origin and consequently this directive is not applicable. However, the relevant essential safety requirements of the Machinery Directive are covered by this standard together with the principal objec

23、tives of the Low Voltage Directive. _ Endorsement notice The text of the International Standard IEC 60335-2-12:2002 was approved by CENELEC as a European Standard without any modification. _ Page3 The text of document 61/3541/FDIS, future amendment 1 to IEC 60335-2-12:2002, prepared by IEC Technical

24、 Committee 61, Safety of household and similar electrical appliances, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 60335-2-12:2003 on 2008-05-01. The following dates are applicable: - latest date by which the amendment has to be implemented at nati

25、onal level by publication of an identical national standard or by endorsement (dop) 2009-02-01 - date on which national standards conflicting with the amendment have to be withdrawn (dow) 2013-05-01 This amendment supplements or modifies the corresponding clauses of EN 60335-2-12:2003. There are no

26、special national conditions causing a deviation from this amendment. There are no national deviations from this amendment. _ Endorsement notice The text of amendment 1:2008 to the International Standard IEC 60335-2-12:2002 was approved by CENELEC as an amendment to the European Standard without any

27、modification. _ BS EN 60335-2-12:2003+A1:2008 ForewordtoamendmentA1 In the Bibliography, add the following note to the standard mentioned: ISO 13732-1 NOTE Harmonized as EN ISO 13732-1:2006 (not modified). CONTENTS INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Definitions6 4 General requiremen

28、t.7 5 General conditions for the tests 7 6 Classification7 7 Marking and instructions.7 8 Protection against access to live parts7 9 Starting of motor-operated appliances 7 10 Power input and current .8 11 Heating8 12 Void .8 13 Leakage current and electric strength at operating temperature8 14 Tran

29、sient overvoltages .8 15 Moisture resistance8 16 Leakage current and electric strength.9 17 Overload protection of transformers and associated circuits .9 18 Endurance9 19 Abnormal operation9 20 Stability and mechanical hazards .10 21 Mechanical strength .10 22 Construction.10 23 Internal wiring.11

30、24 Components.11 25 Supply connection and external flexible cords 11 26 Terminals for external conductors.11 27 Provision for earthing .11 28 Screws and connections.12 29 Clearances, creepage distances and solid insulation12 30 Resistance to heat and fire.12 31 Resistance to rusting12 32 Radiation,

31、toxicity and similar hazards12 Annexes .13 Bibliography13 Page4 BS EN 60335-2-12:2003+A1:2008INTRODUCTION It has been assumed in the drafting of this International Standard that the execution of its provisions is entrusted to appropriately qualified and experienced persons. This standard recognizes

32、the internationally accepted level of protection against hazards such as electrical, mechanical, thermal, fire and radiation of appliances when operated as in normal use taking into account the manufacturers instructions. It also covers abnormal situations that can be expected in practiceandtakesint

33、oaccountthewayinwhichelectromagnetic This standard takes into account the requirements of IEC 60364 as far as possible so that there is compatibility with the wiring rules when the appliance is connected to the supply mains. However, national wiring rules may differ. If an appliance within the scope

34、 of this standard also incorporates functions that are covered by another part 2 of IEC 60335, the relevant part 2 is applied to each function separately, as far as is reasonable. If applicable, the influence of one function on the other is taken into account. An appliance that complies with the tex

35、t of this standard will not necessarily be considered to comply with the safety principles of the standard if, when examined and tested, it is found to have other features that impair the level of safety covered by these requirements. An appliance employing materials or having forms of construction

36、differing from those detailed in the requirements of this standard may be examined and tested according to the intent of the requirements and, if found to be substantially equivalent, may be considered to comply with the standard. Page5 When a part 2 standard does not include additional requirements

37、 to cover hazards dealt with in Part 1, Part 1 applies. NOTE 1 This means that the technical committees responsible for the part 2 standards have determined that it is not necessary to specify particular requirements for the appliance in question over and above the general requirements. This standar

38、d is a product family standard dealing with the safety of appliances and takes precedence over horizontal and generic standards covering the same subject. NOTE 2 Horizontal and generic standards covering a hazard are not applicable since they have been taken into consideration when developing the ge

39、neral and particular requirements for the IEC 60335 series of standards. For example, in the case of temperature requirements for surfaces on many appliances, generic standards, such as ISO 13732-1 for hot surfaces, are not applicable in addition to Part 1 or part 2 standards. phenomenacanaffectthes

40、afeoperationofappliances. BS EN 60335-2-12:2003+A1:2008HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES SAFETY Part 2-12: Particular requirements for warming plates and similar appliances 1 Scope This clause of Part 1 is replaced by the following. This International Standard deals with the safety of elec

41、tric warming plates, warming trays and similar appliances intended to keep food or vessels warm, for household and similar purposes, their rated voltage being not more than 250 V. As far as is practicable, this standard deals with the common hazards presented by appliances that are encountered by al

42、l persons in and around the home. However, in general, it does not take into account NOTE 101 Attention is drawn to the fact that for appliances intended to be used in vehicles or on board ships or in aircraft, additional requirements may be necessary; in many countries additional requirements are s

43、pecified by the national health authorities, the national authorities responsible for the protection of labour and similar authorities. NOTE 102 This standard does not apply to appliances made of flexible material, such as textile material; appliances intended exclusively to be used in locations whe

44、re special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas); appliances intended exclusively for commercial catering or industrial purposes. 2 Normative references This clause of Part 1 is applicable. 3 Definitions This clause of Part 1 is applica

45、ble except as follows. 3.1.9 Replacement: normal operation operation of the appliance under the following conditions The appliance is operated with a shallow pan, 150 mm in diameter and filled with water to a height of at least 25 mm, placed on the heated surface. If vessels are supplied with the ap

46、pliance, or specified in the instructions, these are used instead. The appliance is operated without a pan if this condition is more unfavourable. Page6 Appliances intended for normal household and similar use and that may also be used by laymen in shops, in light industry and on farms are within th

47、e scope of this standard. However, if the appliance is intended to be used professionally to keep vessels warm or to process food for commercial consumption, the appliance is not considered to be for household and similar use only. ! “ persons (including children) whose physical, sensory or mental c

48、apabilities; or lack of experience and knowledge prevents them from using the appliance safely without supervision or instruction; children playing with the appliance. ! “ BS EN 60335-2-12:2003+A1:20084 General requirement This clause of Part 1 is applicable. 5 General conditions for the tests This

49、clause of Part 1 is applicable except as follows. 5.2 Addition: NOTE 101 If the test of 15.101 has to be carried out, three additional samples are required. 6 Classification This clause of Part 1 is applicable. 7 Marking and instructions This clause of Part 1 is applicable except as follows. 7.1 Addition: Appliances intended to be partially immersed in wat