BS EN 60669-2-4-2005 Switches for household and similar fixed electrical installations - Particular requirements - Isolating switches《家用和类似用途固定电气设施用开关 特殊要求 隔离开关》.pdf

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1、BRITISH STANDARD BS EN 60669-2-4:2005 Switches for household and similar fixed electrical installations Part 2-4: Particular requirements Isolating switches The European Standard EN 60669-2-4:2005 has the status of a British Standard ICS 29.120.40 BS EN 60669-2-4:2005 This British Standard was publi

2、shed under the authority of the Standards Policy and S t r a t e g y C o m m i t t e e o n 11 May 2005 BSI 11 May 2005 ISBN 0 580 45761 3 National foreword This British Standard is the official English language version of EN 60669-2-4:2005. It was derived by CENELEC from IEC 60669-2-4:2005. The CENE

3、LEC common modifications have been implemented at the appropriate places in the text and are indicated by tags . The UK participation in its preparation was entrusted to Technical Committee PEL/23, Electrical accessories, which has the responsibility to: A list of organizations represented on this c

4、ommittee can be obtained on request to its secretary. Cross-references The 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”, or by using th

5、e “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 immunity from l

6、egal obligations. aid enquirers 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.

7、 Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 37 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEAN STAND

8、ARD EN 60669-2-4 NORME EUROPENNE EUROPISCHE NORM March 2005 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2005 CENELEC - All r

9、ights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60669-2-4:2005 E ICS 29.120.40 English version Switches for household and similar fixed electrical installations Part 2-4: Particular requirements - Isolating switches (IEC 60669-2-4:2004, modified

10、) Interrupteurs pour installations lectriques fixes domestiques et analogues Partie 2-4: Prescriptions particulires - Interrupteurs-sectionneurs (CEI 60669-2-4:2004, modifie) Schalter fr Haushalt und hnliche ortsfeste elektrische Installationen Teil 2-4: Besondere Anforderungen - Trennschalter (IEC

11、60669-2-4:2004, modifiziert) This European Standard was approved by CENELEC on 2004-10-01. 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 national standard without any alteration. Up-to-da

12、te 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 in any other language made by translation under

13、 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Gr

14、eece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. NE 066-96-2:42005 2 Foreword The text of the International Standard IEC 60669-2-4:2004, prepared by SC 23B, Plugs, s

15、ocket-outlets and switches, of IEC TC 23, Electrical accessories, together with the common modifications prepared by the Technical Committee CENELEC TC 23B, Switches for household and similar fixed electrical installations, was submitted to the Unique Acceptance Procedure and was approved by CENELEC

16、 as EN 60669-2-4 on 2004-10-01. This European Standard shall be used in conjunction with EN 60669-1:1999. It lists the changes necessary to convert that standard into a specific standard for isolating switches. The following dates were fixed: latest date by which the EN has to be implemented at nati

17、onal level by publication of an identical national standard or by endorsement (dop) 2005-10-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2007-10-01 Annexes ZA and ZB have been added by CENELEC. _ Page2 EN6066924:2005066-96-24 IE:C002 4 3 CONTENTS

18、1 Scope.5 2 Normative references .5 3 Definitions 5 4 General requirements.6 5 General notes on tests .6 6 Ratings.6 7 Classification7 8 Marking 7 9 Checking of dimensions8 10 Protection against electric shock 8 11 Provision for earthing .8 12 Terminals .8 13 Constructional requirements.12 14 Mechan

19、ism.13 15 Resistance to ageing, protection provided by enclosures of switches and resistance to humidity.14 16 Insulation resistance and electric strength14 17 Temperature rise15 18 Making and breaking capacity 16 19 Normal operation20 20 Mechanical strength .20 21 Resistance to heat20 22 Screws, cu

20、rrent-carrying parts and connections21 23 Creepage distances, clearances and distances through sealing compound 21 24 Resistance of insulating material to abnormal heat, to fire and to tracking 21 25 Resistance to rusting21 26 EMC requirements21 Annex A (normative) Survey of specimens needed for tes

21、ts29 Annex B (normative) Additional requirements for switches having facilities for the outlet and retention of flexible cables .30 Annex AA (informative) Determination of short-circuit power factor 31 Annex BB (informative) SCPDs for short-circuit tests .33 Page3 EN6066924:2005Annex ZA (normative)

22、Normative references to international publications with their corresponding European publications . 35 Annex ZB (normative) Special national conditions 36 corresponding European publications . 35066-96-24 IE:C002 4 4 Figure 101 Test circuit for verification of the short circuit withstand capability

23、with a SCPD of one-pole isolating switch 23 Figure 102 Test circuit for verification of the short circuit withstand capability with a SCPD of a two-pole isolating switch24 Figure 103 Test circuit for verification of the short circuit withstand capability with a SCPD of a three-pole isolating switch

24、.25 Figure 104 Test circuit for verification of the short circuit withstand capability with a SCPD of a four-pole isolating switch .26 Figure 105 Test apparatus for verification of the minimum I 2 t and I p values to be withstood by the isolating switch.27 Table 2 Relationship between rated currents

25、 and connectable cross-sectional areas of copper conductors for screw-type terminals 8 Table 3 Tightening torque for verification of the mechanical strength of screw-type terminals.9 Table 4 Test values for flexion and pull out for copper conductors .10 Table 5 Test values for pulling out test.10 Ta

26、ble 6 Composition of conductors 11 Table 7 Relationship between rated currents and connectable cross-sectional areas of copper conductors for screwless terminals11 Table 8 Test current for the verification of electrical and thermal stresses in normal use of screwless terminals11 Table 9 Cross-sectio

27、nal areas of rigid copper conductors for deflection test of screwless terminals 12 Table 10 Deflection test forces.12 Table 12 External cable diameter limits for surface type switches 13 Table 101 Test voltage across the open contacts for verifying the suitability for isolation, referred to the rate

28、d voltage of the isolating switch and to the altitude where the test is carried out 15 Table 15 Temperature-rise test currents and cross-sectional areas of copper conductors15 Table 102 Minimum values of I 2 t and I p .17 Table 103 Power factors for short-circuit tests .18 Table 17 Number of operati

29、ons for normal operation test .20 Table BB.1 Indication of silver wire diameters as a function of rated currents and short-circuit currents.33 Page4 EN6066924:2005066-96-24 IE:C002 4 5 SWTIEHCS FOH ROUSEHLOA DNDS IIMLA R FIDEXE LRTCEICALI NTSALLATNOIS Pa2 tr-:4citraP ralueriuqernemt s Istalois gnwti

30、 sehc1 pocS e Thsi clsuae ofP arta 1 pplseie xcetpa s follows . Replcaemneo tf thf eirstrap agraph : Thsirap o tf IE6 C0669a pplies to manuallyo peratg deerenalrup pose isoltai gnswitchsew ia ht radetlov tgae note xcideegn044 V anda rac deturrent note xceedgni1 25 A, intednedf or hosuheol dands imil

31、arf ixed elcertciali nstallatisno,e ihtre inodroso r oudtoors . NO ET Isnitalos gwctihsea r esedngif deoro vrevotlgac eagetory dna III use ni denviromnoitullop fo tnenged re2 e acocrdingt oI EC6 066-41. N 2oitamrve ferenersec Thsi clsuae ofP arta 1 pplseie xcetpa s follows . Adtidino: IEC116 08-191:

32、,29 Hihg-vtloegat etst echnieuqf sorl owv oltgae eqiuempnt Part 1: Definiitons, testa np drcoderu ereuqriements NOTE roNmtaiv efereercnset o intetanrionalp bulictaionsw itht ehic rorrsepondinE guroepp nabulictaisnoa re siltedni nA nex .AZ eD 3finiti sno Thsi clsuae foP arta 1 pplseixe ceptsa follows

33、 . dAtidianod leiftinino:s .3110 osilatniws gtich switchd esign de otrpovidsi eolati nofot ehinstalalti norop artfo t hei nstallati nona dequipmtne frmos eht upply nat do carry nat dom ake a dnbreak htc eurren t niall li encurrenc tarrying oples .3120 conditoianhs lrot-criuctic uerrnt I cnvaulfo e t

34、hec.a . componentfo rp aospectiv ecurrenthw ,ci a hswitchiw thoutni tgeral shrot- circiurp ttoeciton ,ubp trtoecteb dy a suitabls eroht-circiurp ttoecitve edvice( hreeinafter reefrreda ot s SCPD) nis eries,c an wihtnatsednu dr specifiidnoc detoinso fu se an dbevahiuor 60669-2-4 IEC:2004 5 SWITCHES F

35、OR HOUSEHOLD AND SIIMLAR XEDIF ELRECTICALN ITSALLATIONS Pat 2r-4: Particular requirements Iolatsiwng sitches 1 Scope This clause of Part 1 applies except as follows. Replacement of the first paragraph: This part of IEC 60669 applies to manually operated general purpose isolating switches with a rate

36、d voltage not exceeding 440 V and a rated current not exceeding 125 A, intended for household and similar fixed electrical installations, either indoors or outdoors. NOTE Isolating switches are designed for overvoltage category III and used in environment of pollution degree 2 according to IEC 60664

37、-1. 2 Normative references This clause of Part 1 applies except as follows. Addition: IEC 61180-1:1992, High-voltage test techniques for low voltage equipment Part 1: Definitions, test and procedure requirements NOTE Normative references to international publications with their corresponding Europea

38、n publications are listed in Annex ZA. 3 Definitions This clause of Part 1 applies except as follows. Additional definitions: 3.101 isolating switch switch designed to provide isolation of the installation or part of the installation and equipment from the supply and to carry and to make and break t

39、he current in all line current carrying poles 3.102 conditional short-circuit current I ncvalue of the a.c. component of a prospective current, which a switch without integral short- circuit protection, but protected by a suitable short-circuit protective device (hereinafter referred to as SCPD) in

40、series, can withstand under specified conditions of use and behaviour Page5 EN6066924:2005066-96-24 IE:C002 4 6 3.103 I 2 t integral of the square of the current over a given time interval (t 0 , t 1 ) = 1 0 2 2 t t t i t I d 4 General requirements This clause of Part 1 applies. 5 General notes on t

41、ests This clause of Part 1 applies except as follows. 5.4 Addition: For the test of 18.101 three additional specimens are used. 6 Ratings This clause of Part 1 applies except as follows. 6.2 Modification: In the first paragraph, delete the values “6 A“ and “10 A“ and add the values “80 A, 100 A and

42、125 A.” Additional note: NOTE See Annex ZB for special national conditions. Additional subclause: 6.101 Standard and preferred values of the conditional short-circuit current (I nc ) NOTE The associated power-factors are specified in Table 103. 6.101.1 Values up to and including 10 000 A The standar

43、d values of the conditional short-circuit current (I nc ) are: 1 500 A, 3 000 A, 4 500 A, 6 000 A and 10 000 A. 6.101.2 Values above 10 000 A The preferred values are: 15 000 A, 20 000 A and 25 000 A. Values above 25 000 A are not considered by this standard. Page6 EN6066924:2005066-96-24 IE:C002 4

44、7 7 Classification This clause of Part 1 applies except as follows. 7.1.1 Addition: Isolating switches shall be only of pattern numbers 1, 2, 3 or 03. 7.1.2 This subclause of Part 1 is not applicable. 7.1.6 Addition: rail type 7.2 Replacement in Table 1, first column, last line, of the values “16, 2

45、0, 25, 32, 40, and 63” by “equal and above 16”. 8 Marking This clause of Part 1 applies except as follows. 8.1 Addition: symbols for open position (OFF) and closed position (ON), symbol for isolating function, rated conditional short-circuit current (I nc ). The manufacturer shall provide reference(

46、s) of one or more short circuit protection devices (SCPDs) in his catalogue and/or in the instructions which are provided with the isolating switch. 8.2 Addition: isolating function . rated conditional short-circuit current . I nc8.3 Addition Isolating switches shall be marked with the symbols for i

47、solating function and for the closed and open position. These markings shall be visible from the front after installation, even after removal of the front cover of the enclosure when the isolating switch is mounted and wired as in normal use. The isolating symbol may be included in a wiring diagram

48、even combined with symbols of other functions, provided that it is visible from the front under the conditions specified before. The marking for the rated conditional short-circuit current (I nc ) shall be on the isolating switch or in the manufacturers published literature. 8.6 Replacement of the f

49、irst sentence of the first paragraph Isolating switches shall be so marked that the actual contact position is clearly indicated. Deletion of Note 1. Page7 EN6066924:2005066-96-24 IE:C002 4 8 9 Checking of dimensions This clause of Part 1 applies. 10 Protection against electric shock This clause of Part 1 applies except as follows. 10.

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