【BS英国标准】BS EN 61558-2-7-1998 Safety of power transformers, power supply units and similar — Part 2.7 Particular requirements for transformers for toys.doc
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1、Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jun 11 16:49:11 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBRITISH STANDARD BS EN61558-2-7:1998Incorporating Amendments Nos. 1 and 2 and Corrigendum No. 1Safety of powertransformers, power supply units and similar Part 2.7:
2、 Particular requirements for transformers for toysThe European Standard EN 61558-2-7:1997, with the incorporation of amendment A11:2002, has the status of a British StandardICS 29.180 BS EN 61558-2-7:1998Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jun 11 16:49:11 GM
3、T+00:00 2007, Uncontrolled Copy, (c) BSIThis British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on15 January 1998 BSI 13 October 2004ISBN 0 580 28520 0National forewordThis Br
4、itish Standard is the English language version of EN 61558-2-7:1997, including amendment A11:2002. It was derived by CENELEC fromIEC 61558-2-7:1997.The BS EN 61558 series of standards will ultimately supersede BS 3535-1, dual numbered as BS EN 60742:1996, and BS 3535-2. Until that time arrives, thes
5、e latter standards are only to be used for equipment not covered by the BS EN 61558 series.The CENELEC common modifications have been implemented at the appropriate places in the text.The start and finish of each common modification is indicated in the text by tags . Where a common modification has
6、been introduced by amendment, the tags carry the number of the amendment. For example, the common modifications introduced by CENELEC amendment A11 are indicated by .From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been renumbered as
7、 IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both systems.The UK participation in its preparation was entrusted to Technical CommitteePEL/96, Small transformers, which has the responsibility to: aid enquir
8、ers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK.A list of organizations repr
9、esented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”,
10、 or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard does not of itself confer im
11、munity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 12, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amd. No.DateComments1014
12、3August 1998See national foreword142314 April 2003See national foreword15387Corrigendum No. 113 October 2004Missing Figure 101 insertedAmendments issued since publicationEUROPEAN STANDARD NORME EUROPENNEEUROPISCHE NORMEN 61558-2-7November 1997+ A11September 2002ICS 29.180Partly supersedes EN 60742:1
13、995Descriptors: Transformers, toys, electric toys, safety requirements, detail specifications, characteristics, ability to withstand short circuit, overload protection, temperature rise, mechanical strength, insulation resistanceEnglish versionSafety of power transformers, power supply units and sim
14、ilar Part 2-7: Particular requirements for transformers for toys(includes amendment A11:2002)(IEC 61558-2-7:1997, modified)Scurit des transformateurs, blocs dalimentation et analoguesPartie 2-7: Rgles particulires pour les transformateurs pour jouets(inclut lamendement A11:2002) (CEI 61558-2-7:1997,
15、 modifie)Sicherheit von Transformatoren, Netzgerten und dergleichenTeil 2: Besondere Anforderungen an Transformatoren fr Spielzeuge (enthlt nderung A11:2002)(IEC 61558-2-7:1997, modifiziert)Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jun 11 16:49:11 GMT+00:00 2007,
16、Uncontrolled Copy, (c) BSIThis European Standard was approved by CENELEC on 1997-07-01. Amendment A11 was approved by CENELEC on 2002-09-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a
17、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 (English, French, German). A version
18、 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 Austria, Belgium, Czech Republic, Denmark
19、, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.CENELECEuropean Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnisch
20、e NormungCentral Secretariat: rue de Stassart 35, B-1050 Brussels 1997 CENELEC All rights of exploitation in any form and by any means reserved worldwide forCENELEC members.Ref. No. EN 61558-2-7:1997 + A11:2002 EEN 61558-2-7:199811 BSI 13 October 2004ForewordThe text of document 96/51/FDIS, future e
21、dition 1 of IEC 61558-2-7, prepared by IEC TC 96, Small power transformers, reactors and power supply units and special transformers, reactors and power supply units: safety requirements, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61558-2-7 on 1997-07-01, togeth
22、er with common modifications prepared by the CENELEC BTTF 64-1, Isolating and safety isolating transformers.This European Standard supersedes chapter III, section 2 of EN 60742:1995.The following dates were fixed:Foreword to amendment A11This amendment was prepared by the Technical Committee CENELEC
23、 TC 96, Small power transformers, reactors and power supply units: Safety requirements.The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as amendment A11 toEN 61558-2-7:1997 on 2002-09-01.The following dates were fixed: latest date by which the amendm
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