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1、Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jun 11 16:49:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBRITISH STANDARD BS EN61558-2-5:1998IEC 61558-2-5:1997Incorporating Amendment Nos. 1 and 2Safety of powertransformers, power supply units and similar Part 2-5: Part
2、icular requirements for shaver transformers and shaver supply unitsThe European Standard EN 61558-2-5:1998, with the incorporation of amendment A11:2004, has the status of a British StandardICS 29.180 BS EN 61558-2-5:1998National forewordThis British Standard is the English language version of EN 61
3、558-2-5:1998, including amendment A11. It is identical with IEC 61558-2-5:1997.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, these latter standards are only to be used for equipment not covered by t
4、he BS EN 61558 series.The UK participation in its preparation was entrusted to Technical CommitteePEL/96, Small transformers, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for cha
5、nge, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK.A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or Euro
6、pean publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or ofBritish Standards Online.This publication does not purport to include all
7、 the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard does not of itself confer immunity from legal obligationsSummary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a
8、back cover.Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jun 11 16:49:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSIAmd. No.DateComments10141August 19981537314 October 2004Modification to Clause 20.3This British Standard, having been prepared under the direction of the
9、 Electrotechnical SectorBoard, was published under the authority of the Standards Board and comes into effect on15 June 1998 BSI 14 October 2004ISBN 0 580 29609 1Amendments issued since publicationEUROPEAN STANDARD NORME EUROPENNEEUROPISCHE NORMEN 61558-2-5February 1998+ A11July 2004ICS 29.180Partly
10、 supersedes EN 60742:1995English versionSafety of power transformers, power supply units and similar Part 2-5: Particular requirements for shaver transformersand shaver supply units(includes amendment A11:2004) (IEC 61558-2-5:1997)Scurit des transformateurs, blocs dalimentation et analogue Partie 2-
11、5: Rgles particulires pour les transformateurs et les blocs dalimentation pour rasoirs(inclut lamendement A11:2004) (CEI 61558-2-5:1997)Sicherheit von Transformatoren, Netzgerten und dergleichen Teil 2-5: Besondere Anforderungen anRasiersteckdosen-Transformatoren undRasiersteckdosen-Einheiten(enthlt
12、 nderung A11:2004)(IEC 61558-2-5:1997)Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jun 11 16:49:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSIThis European Standard was approved by CENELEC on 1998-01-01, amendment A11 was approved by CENELEC on 2004-06-01. CENELEC mem
13、bers are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this 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 applicati
14、on to the Central Secretariat or to any CENELEC member.This European Standard exists in three official versions (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 ha
15、s the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland
16、, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.CENELECEuropean Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische NormungCentral Secretariat: rue de Stassart 35, B-1050 Brussels 1998 C
17、ENELEC All rights of exploitation in any form and by any means reserved worldwide forCENELEC members.Ref. No. EN 61558-2-5:1998 + A11:2004 EEN 61558-2-5:19989 BSI 14 October 2004Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jun 11 16:49:26 GMT+00:00 2007, Uncontrolled
18、 Copy, (c) BSIForewordThe text of document 96/93/FDIS, future edition 1 of IEC 61558-2-5, 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 an
19、d was approved by CENELEC as EN 61558-2-5 on 1998-01-01.This European Standard supersedes chapter II, section 1 of EN 60742:1995.The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or byendorsement(dop)
20、1998-10-01 latest date by which the national standards conflicting with the ENhave to be withdrawn(dow) 2002-01-01This Part 2-5 of EN 61558 is to be used in conjunction with EN 61558-1:1997.This Part 2 supplements or modifies the corresponding clauses of EN 61558-1, so as to convert it into the Euro
21、pean Standard “Particular requirements for separating transformers for general use”.When a particular clause or subclause of Part 1 is not mentioned in this Part 2, that clause or subclause applies as far as is reasonable. Where this Part 2 states “addition”, “modification” or “replacement”, the rel
22、evant text of Part 1 is to be adapted accordingly.Subclauses and tables which are additional to those in Part 1 are numbered starting from 101.There are no special national conditions (snc) causing a deviation from this European Standard other than those listed in Annex ZA of EN 61558-1.Normative re
23、ferences related to this Part 2 are listed in Annex ZB and are in addition to those in EN 61558-1.Endorsement noticeThe text of the International StandardIEC 61558-2-5:1997 was approved by CENELEC asa European Standard without any modification.Foreword to amendment A11This amendment was prepared by
24、the CENELEC Central Secretariat following the Technical Board decision D116/107.The text of the draft was submitted to the formal vote and was approved by CENELEC as amendment A11 to EN 61558-2-5:1998 on2004-06-01.The following dates were fixed: latest date by which the amendment has to be implement
25、ed at national level by publication of an identical national standardor by endorsement(dop) 2005-06-01 latest date by which the national standards conflicting with the amendment have to bewithdrawn(dow) 2007-06-01Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jun 11 16
26、:49:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSI1 ScopeReplacement:This Part 2-5 of IEC 61558 applies to shaver supply units, embodying one or more socket-outlets and a single phase air cooled isolating transformer, having a rated supply voltage not exceeding 250 V a.c., a rated output not less tha
27、n 20 VA and not excceding 50 VA, a rated output voltage notexceeding 250 V, and a rated frequency not exceeding 500 Hz.This standard is also applicable to shaver transformers for embodiment into shaver supply units.NOTE 1 Shaver supply units may be flush or surface mounted or incorporated in luminai
28、res and other equipment. NOTE 2 Shaver supply units may be used to supply shavers, tooth brushes and similar small power devices.2 Normative referencesThis clause of Part 1 is applicable except as follows:Addition:IEC 60068-2-62:1991, Environmental testing Part 2: Test methods Test Ef: Impact, pendu
29、lum hammer.IEC 60670:1989, General requirements for enclosures for accessories for household and similar fixed electrical installations3 DefinitionsThis clause of Part 1 is applicable except as follows:Addition:3.1.101shaver transformeran isolating transformer for fixed installation and with limited
30、 output, designed to supply only one shaver, or the like, at a time3.1.102shaver supply unitan accessory embodying a shaver transformer and one or more socket outlets allowing the use of only one plug at a time4 General requirementsThis clause of Part 1 is applicable.5 General notes on testsThis cla
31、use of Part 1 is applicable.6 RatingsThis clause of Part 1 is applicable except as follows:Addition:6.101 The rated output voltage shall not exceed 250 V a.c.Preferred values are in the range 220 V to 240 V and additionally 110 V to 130 V.6.102 The rated output shall be not less than 20 VA and shall
32、 not exceed 50 VA.6.103 The rated supply voltage shall not exceed 250 V a.c.Compliance with the requirements of 6.101 to 6.103 is checked by inspection of the marking.Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jun 11 16:49:26 GMT+00:00 2007, Uncontrolled Copy, (c)
33、BSI6.104 The rated frequency shall not exceed 500 Hz.7 ClassificationThis clause of Part 1 is applicable except as follows:7.2 Modification:According to short-circuit protection or protection against abnormal use: inherently short-circuit proof transformer; non-inherently short-circuit proof transfo
34、rmer.8 Marking and other informationThis clause of Part 1 is applicable except as follows:8.1 Modification:n) indication of the protection index IP, if higher than IP00: for shaver transformers;indication of the protection index IP, if higher than IP21: for shaver supply units.8.1 Addition:Shaver su
35、pply units and shaver transformers shall be marked with the symbol according to 8.11 of this standard replacing the symbol for isolating transformers.8.2 This subclause does not apply.8.7 Addition:For shaver supply units provided with a single-pole switch, the switched pole shall be connected to the
36、 line.8.11 Addition:The following symbol shall be used:for shaver supply units and shaver transformers (60417-IEC-5225)8.13 Addition:For shaver supply units, the marking for rated output voltage(s) and the symbol for shaver supply units and shaver transformers shall be indicated on the front of the
37、enclosure so as to be visible when the unit is mounted as in normal use. For shaver supply units intended to provide different output voltages, the selected output voltage setting shall be clearly discernible.For shaver transformers the symbol for shaver supply units and shaver transformers shall be
38、 provided only if the transformer is supplied separately.9 Protection against accessibility to hazardous live partsThis clause of Part 1 is applicable.10 Change of input voltage settingThis clause of Part 1 is applicable.11 Output voltage and output current under loadThis clause of Part 1 is applica
39、ble.12 No-load output voltageThis clause of Part 1 is applicable except as follows:Addition:12.101 The no-load output voltage shall not exceed 275 V.12.102 The difference between the output voltage at no load measured in this clause and the output voltage under load measured during the test of Claus
40、e 11, expressed as a percentage of the latter voltage, shall not exceed 20 %.-NOTE The ratio is defined as follows: Uno-l-o-a-d- Uload-Uload 100 %Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jun 11 16:49:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSICompliance with th
41、e requirements of 12.101 and 12.102 is checked by measuring the no-load output voltage when the shaver transformer or shaver supply unit, at ambient temperature, is connected to the rated supply voltage at rated frequency.13 Short circuit voltageThis clause of Part 1 is not applicable.14 HeatingThis
42、 clause of Part 1 is applicable except as follows:Addition:14.2 Shaver supply units for flush-type mounting are mounted in an appropriate flush-type mounting box as specified by the manufacturer, such a box being mounted in the support as indicated in Figure 1 of Part 1.15 Short-circuit and overload
43、 protectionThis clause of Part 1 is applicable.16 Mechanical strengthThis clause of Part 1 is applicable except as follows:16.1 Replacement:For shaver supply units, compliance is checked by the test of 16.101. Addition:16.101 Shaver supply units are subjected to blows by means of a pendulum hammer,
44、defined as follows:16.101.1 Blows are applied to the specimen according to IEC 60068-2-62.For shaver supply units other than shaver supply units for flush-type mounting, the specimen is mounted as described in 4.2 of IEC 60068-2-62.For flush-type shaver supply units, the specimen is mounted as shown
45、 in Figure 3 of IEC 60068-2-62. Flush-type equipment for screw fixing is fixed by means of screws to lugs recessed in the mounting block;flush-type equipment for claw fixing is fixed directly to the block by means of the claws.The specimen is mounted as in normal use so that the point of impact lies
46、 in the vertical plane through the axis of the pivot of the pendulum.Before applying the blows, fixing screws of bases, covers and the like are tightened with a torque equal to two thirds of that specified in Table 11 of 25.1.Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jun 11 16:49:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSIThe strik