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BRITISH STANDARD Appliance couplers for household and similar purposes Ð Part 2-1: Sewing machine couplers The European Standard EN 60320-2-1:2000 has the status of a British Standard ICS 29.120.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BS EN 60320-2-1:2001 IEC 60320-2-1:2000 BS EN 60320-2-1:2001 National foreword This British Standard is the official English language version of EN 60320-2-1:2000 It is identical with IEC 60320-2-1:2000 It supersedes BS 4491-2.1:1990 which is withdrawn The UK participation in its preparation was entrusted by Technical Committee PEL/23, Installed electrical accessories, to Subcommittee PEL/23/3, Connectors for portable appliances, which has the responsibility to: Ð aid enquirers to understand the text; Ð present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; Ð monitor related international and European developments and promulgate them in the UK A list of organizations represented on this subcommittee can be obtained on request to its secretary From January 1997, all IEC publications have the number 60000 added to the old number For instance, IEC 27-1 has been renumbered as 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 Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to international publications with their corresponding European publications The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled ªInternational Standards Correspondence Indexº, or by using the ªFindº facility of the BSI Standards Electronic Catalogue A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application Compliance with a British Standard does not of itself confer immunity from legal obligations Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages to 11 and a back cover The BSI copyright notice displayed in this document indicates when the document was last issued This British Standard, having been prepared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 April 2001 BSI 04-2001 ISBN 580 36904 Amendments issued since publication Amd No Date Comments (1 (8523($167$1'$5' 1250((8523e(11( (8523b,6&+(1250 1RYHPEHU ,&6 6XSHUVHGHV(1 (QJOLVKYHUVLRQ $SSOLDQFHFRXSOHUVIRUKRXVHKROGDQGVLPLODUJHQHUDOSXUSRVHV 3DUW 6HZLQJPDFKLQHFRXSOHUV ,(& &RQQHFWHXUVSRXUXVDJHVGRPHVWLTXHV HWXVDJHVJpQpUDX[DQDORJXHV 3DUWLH &RQQHFWHXUVSRXUPDFKLQHV jFRXGUH &(, *HUlWHVWHFNYRUULFKWXQJHQIUGHQ +DXVJHEUDXFKXQGlKQOLFKHDOOJHPHLQH =ZHFNH 7HLO 1l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p(XURSpHQGH1RUPDOLVDWLRQ(OHFWURWHFKQLTXH (XURSlLVFKHV.RPLWHHIU(OHNWURWHFKQLVFKH1RUPXQJ &HQWUDO6HFUHWDULDW UXHGH6WDVVDUW%%UXVVHOV &(1(/(& $OOULJKWVRIH[SORLWDWLRQLQDQ\IRUPDQGE\DQ\PHDQVUHVHUYHGZRUOGZLGHIRU&(1(/(&PHPEHUV 5HI1R(1 ( Page EN 60320−2−1:2000 )RUHZRUG 7KHWH[WRIGRFXPHQW*)',6IXWXUHHGLWLRQRI,(&SUHSDUHGE\6&*$SSOLDQFH FRXSOHUVRI,(&7&(OHFWULFDODFFHVVRULHVZDVVXEPLWWHGWRWKH,(&&(1(/(&SDUDOOHOYRWHDQGZDV DSSURYHGE\&(1(/(&DV(1RQ 7KLV(XURSHDQ6WDQGDUGVXSHUVHGHV(1 7KHIROORZLQJGDWHVZHUHIL[HG ± ODWHVWGDWHE\ZKLFKWKH(1KDVWREHLPSOHPHQWHG DWQDWLRQDOOHYHOE\SXEOLFDWLRQRIDQLGHQWLFDO QDWLRQDOVWDQGDUGRUE\HQGRUVHPHQW GRS ± ODWHVWGDWHE\ZKLFKWKHQDWLRQDOVWDQGDUGVFRQIOLFWLQJ ZLWKWKH(1KDYHWREHZLWKGUDZQ GRZ 7KLV SDUW LV WR EH XVHG LQ FRQMXQFWLRQ ZLWK (1 $ $ $SSOLDQFH FRXSOHUVIRUKRXVHKROGDQGVLPLODUJHQHUDOSXUSRVHV3DUW *HQHUDOUHTXLUHPHQWV 7KLVSDUWVXSSOHPHQWVRUPRGLILHVWKHFRUUHVSRQGLQJFODXVHVRI(1 :KHUH D SDUWLFXODU FODXVH RU VXEFODXVH RI SDUW LV QRW PHQWLRQHG LQ WKLV SDUW WKDW FODXVH RU VXEFODXVH DSSOLHV DV IDU DV LV UHDVRQDEOH :KHUH WKLV SDUW VWDWHV DGGLWLRQ PRGLILFDWLRQ RU UHSODFHPHQWWKHUHOHYDQWWH[WRISDUWLVWREHDGDSWHGDFFRUGLQJO\ 6XEFODXVHVZKLFKDUHDGGLWLRQDOWRWKRVHLQSDUWDUHQXPEHUHGVWDUWLQJIURP $QQH[HVGHVLJQDWHGQRUPDWLYHDUHSDUWRIWKHERG\RIWKHVWDQGDUG ,QWKLVVWDQGDUGDQQH[=$LVQRUPDWLYH $QQH[=$KDVEHHQDGGHGE\&(1(/(& BBBBBBBBBB (QGRUVHPHQWQRWLFH 7KHWH[WRIWKH ,QWHUQDWLRQDO 6WDQGDUG ,(& ZDV DSSURYHG E\ &(1(/(& DV D (XURSHDQ 6WDQGDUGZLWKRXWDQ\PRGLILFDWLRQ BBBBBBBBBB Page EN 60320−2−1:2000 CONTENTS Page INTRODUCTION Clause Scope Normative references Definitions General requirements General notes on tests 6 Standard ratings Classification Marking Dimensions and compatibility 10 Protection against electric shock 11 Provision for earthing 12 Terminals and terminations 13 Construction 14 Moisture resistance 15 Insulation resistance and electric strength 16 Forces necessary to insert and to withdraw the connector 17 Operation of contacts 18 Resistance to heating of appliance couplers for hot conditions or very hot conditions 19 Breaking capacity 20 Normal operation 21 Temperature rise 22 Cords and their connection 23 Mechanical strength 24 Resistance to heat and ageing 10 25 Screws, current-carrying parts and connections .10 26 Creepage distances, clearances and distances through insulation 10 27 Resistance of insulating material to heat, fire and tracking .10 28 Resistance to rusting .10 29 Electromagnetic compatibility (EMC) requirements 10 Annex A Routine tests for factory wired appliance couplers related to safety (protection against electric shock and correct polarity) 10 Annex ZA (normative) Normative references to international publications with their corresponding European publications 11 © BSI 04-2001 Page EN 60320−2−1:2000 INTRODUCTION Where in IEC 60320-1 the words "appliance coupler", "connector" or "appliance inlet" appear, they should be deleted and replaced by "sewing machine coupler", "sewing machine connector" or "sewing machine inlet" respectively © BSI 04-2001 Page EN 60320−2−1:2000 APPLIANCE COUPLERS FOR HOUSEHOLD AND SIMILAR GENERAL PURPOSES – Part 2-1: Sewing machine couplers Scope Replacement: This part of IEC 60320 is applicable to special purpose appliance couplers for household sewing machines These sewing machine couplers are for a.c only and have a rated voltage not exceeding 250 V and a rated current not exceeding 2,5 A The sewing machine couplers may include two or more contacts depending on the control components or circuitry required to operate the sewing machine and may be with or without earthing contact Normative references This clause of IEC 60320-1 applies with the following additions: The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of IEC 60320 For dated references, subsequent amendments to, or revisions of, any of these publications not apply However, parties to agreements based on this part of IEC 60320 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below For undated references, the latest edition of the normative document referred to applies Members of IEC and ISO maintain registers of currently valid International Standards IEC 60083:1997, Plugs and socket-outlets for domestic and similar general use standardized in member countries of IEC IEC 60320-1:1994, Appliance couplers for household and similar general purposes – Part 1: General requirements IEC 60335-2-28:1994, Safety of household and similar electrical appliances – Part 2: Particular requirements for sewing machines Definitions This clause of IEC 60320-1 applies with the following addition: 3.101 sewing machine coupler appliance coupler used exclusively on sewing machines It consists of two parts: – the sewing machine connector, which is the part integral with, or intended to be attached to, the cord or cords; – the sewing machine inlet, which is the part integrated in or incorporated in the sewing machine or its control or intended to be fixed to it © BSI 04-2001 Page EN 60320−2−1:2000 General requirements This clause of IEC 60320-1 applies General notes on tests This clause of IEC 60320-1 applies Standard ratings This clause of IEC 60320-1 applies amended as follows: 6.2 Replacement: The rated current of sewing machine couplers shall be not higher than 2,5 A Classification This clause of IEC 60320-1 applies amended as follows: 7.1.1 Replacement: Sewing machine couplers are for cold conditions only (maximum pin temperature of the sewing machine inlet not exceeding 65 °C) 7.1.2 Replacement: Sewing machine couplers are classified according to type of sewing machine to be connected: – sewing machine couplers for class I sewing machines; – sewing machine couplers for class II sewing machines Marking This clause of IEC 60320-1 applies Dimensions and compatibility This clause of IEC 60320-1 applies amended as follows: 9.1 Not applicable 9.3 Addition: Note does not apply For sewing machine couplers no standard sheets have been included, but the following dimensional requirements apply: © BSI 04-2001 Page EN 60320−2−1:2000 In sewing machine connectors, the socket contacts shall be recessed so as to comply with the distances specified in clause 26 This dimension shall be equal, if possible, to the dimension specified on the standard sheet in IEC 60320-1 for a similar connector NOTE A sewing machine connector with entry holes having a diameter or a width not exceeding mm and recessed not less than mm, as measured from the engagement face, is considered to be acceptable; see Standard Sheets C 1, C and C of IEC 60320-1 NOTE A more precise relationship between the dimensions of the entry hole and the distance from the socket contact to the engagement face is under consideration The internal length of the socket contact shall be such that the contact overlap between the socket contact and the corresponding pin of the sewing machine inlets is not less than mm Additional subclause: (following 9.6): 9.101 Sewing machine couplers shall not be interchangeable with connectors or appliance inlets complying with the standard sheets in IEC 60320-1 nor with plugs or socket-outlets for household and similar purposes (e.g those complying with IEC 60083) 10 Protection against electric shock This clause of IEC 60320-1 applies 11 Provision for earthing This clause of IEC 60320-1 applies 12 Terminals and terminations This clause of IEC 60320-1 applies with the following additions: 12.1.3 Replacement: Rewirable sewing machine connectors shall have terminals which can accept flexible 2 conductors having a nominal cross-sectional area of 0,75 mm and mm For screw and stud terminals the diameter D is 1,4 mm, see standard sheet C27 of IEC 60320-1 Compliance is checked by inspection, by measurement and by fitting conductors having cross2 sectional areas of 0,75 mm and mm Additional subclause (following 12.1.3): 12.101 The terminal(s) in rewirable sewing machine connectors to which more than one conductor shall be connected, shall be checked with the number of conductors to be connected 12.2.4 Addition: For terminals of size 0, each conductor is subjected to a pull of 30 N © BSI 04-2001 Page EN 60320−2−1:2000 12.2.6 Addition: Terminals of size are fitted with conductors having a nominal cross-section of mm , the number of wires and the nominal diameter of the wires being 32 ´ 0,20 mm 13 Construction This clause of IEC 60320-1 applies with the following additions: Additional subclauses: 13.101 (Following 13.7) Sewing machine connectors shall not have contacts which are recessed in grooves or the like NOTE This requirement applies in all cases, even if the contacts may not be accessible with the standard test finger Compliance is checked by inspection 13.102 (Following 13.11) Sewing machine connectors containing contacts both for the supply voltage and for SELV shall be non-rewirable Compliance is checked by inspection 14 Moisture resistance This clause of IEC 60320-1 applies 15 Insulation resistance and electric strength This clause of IEC 60320-1 applies 16 Forces necessary to insert and to withdraw the connector This clause of IEC 60320-1 applies 17 Operation of contacts This clause of IEC 60320-1 applies 18 Resistance to heating of appliance couplers for hot conditions or very hot conditions This clause of IEC 60320-1 does not apply 19 Breaking capacity This clause of IEC 60320-1 applies © BSI 04-2001 Page EN 60320−2−1:2000 20 Normal operation This clause of IEC 60320-1 applies 21 Temperature rise This clause of IEC 60320-1 applies 22 Cords and their connection This clause of IEC 60320-1 applies amended as follows: 22.1 Addition to the table: Type of connector Sewing machine connector Lightest type of cord Minimum nominal cross-sectional area mm 60227 IEC 52 60245 IEC 53 0,75* 0,75 * A reduction to 0,5 mm for lengths up to m is allowed when IEC 60335-2-28 permits 22.3, 22.4, 22.5 Addition to the test specifications: If a sewing machine connector is provided with, or is intended to be fitted with, more than one cord, the test shall be made as follows: – non-rewirable sewing machine connectors shall be tested with the cords as delivered; – rewirable sewing machine connectors shall be tested using the sizes and types of cords recommended by the manufacturer; – the sewing machine connector shall be tested with each cord separately, any other cord being cut back to a length of approximately 100 mm NOTE For this test, one additional set of samples per extra cord is needed 22.5 Replacement: For non-rewirable sewing machine connectors, the number of flexings is 10 000 23 Mechanical strength This clause of IEC 60320-1 applies with the following additions: 23.2 Addition to the test specification: If a sewing machine connector is provided with, or is intended to be fitted with, more than one cord, the test shall be made as follows: – non-rewirable sewing machine connectors shall be tested with the cords as delivered; – rewirable sewing machine connectors shall be tested using the sizes and types of cords recommended by the manufacturer; – all cords shall have a length of approximately 100 mm © BSI 04-2001 Page 10 EN 60320−2−1:2000 23.3 Addition to the table: Sewing machine connector 24 Resistance to heat and ageing This clause of IEC 60320-1 applies 25 Screws, current-carrying parts and connections This clause of IEC 60320-1 applies with the following addition: 25.1 Addition: The nominal cross-sectional area of the conductor to be used for testing terminal screws of sewing machine connectors is mm 26 Creepage distances, clearances and distances through insulation This clause of IEC 60320-1 applies 27 Resistance of insulating material to heat, fire and tracking This clause of IEC 60320-1 applies 28 Resistance to rusting This clause of IEC 60320-1 applies 29 Electromagnetic compatibility (EMC) requirements This clause of IEC 60320-1 applies Annex A Routine tests for factory wired appliance couplers related to safety (protection against electric shock and correct polarity) This annex of IEC 60320-1 applies _ © BSI 04-2001 Page 11 EN 60320−2−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