1、Appliance couplers for household and similar purposes - 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 PEBMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 60320-2-1:2001 IEC 60320-2-1:2000 COPYRIGH
2、T European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesSTD BSI BS EN -b0320-2- - monitor related international and European developments and promulgate them in the UK. A list of organhtions represented on this subcommittee can be obtained on request to its
3、secrem. km 1 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 idenaers from both systems. Cross-ref
4、erences Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists nomiative references to international publications with their corresponding European publications. The British standards which implement these international or European publications may be fou
5、nd in the BSI standards catalogue under the section entitied “International !3tandards Correspondence Index“, or by using the “Fi“ facility of the BSI standards Electronic Catalogue. A British Standard does not purport to include ali the necessary provisions of a contract Users of British standards
6、are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legai obiigations. Summary of pages This document comprises a front cover, an inside front cover, the EN titie page, pages 2 to 11 and a back cover. The BSI copyright notice disp
7、layed in this document indicates when the document waslastissued. Q BSI 04-2001 ISBN O 580 3694 8 COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesEUROPEAN STANDARD EN 60320-2-1 NORME EUROPENNE EUROPISCHE NORM November 2000 ICs 29.120.30 Super
8、sedes EN 60320-2-1 :1987 English version Appliance couplers for household and similar general purposes Part 2-1 : Sewing machine couplers (I EC 60320-2-1 12000) Connecteurs pour usages domestiques et usages gnraux analogues Partie 2-1 : Connecteurs pour machines coudre (CE1 60320-2-1 12000) Steckvor
9、richtungen Gertesteckvorrichtungen fr den Hausgebrauch und hnliche allgemeine Zwecke Teil 2-1 : Nhmaschinen- (IEC 60320-2-1 12000) This European Standard was approved by CENELEC on 2000-09-01. CENELEC members are bound to comply with the CENICENELEC Internal Regulations which stipulate the condition
10、s 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 application to the Central Secretariat or to any CENELEC member. This European Standard exists in three
11、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 has the same status as the official versions. CENELEC members are the national electrotechnical
12、committees of Austria, Belgium, Czech Repiblic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Noway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation
13、Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels O 2000 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60320-2-1 :2000 E COPYRIGHT European Committee for
14、 Electrotechnical StandardizationLicensed by Information Handling ServicesForeword The text of document 23G/203/FDIS, future edition 2 of IEC 60320-2-1, prepared by SC 23G, Appliance couplers, of IEC TC 23, Electrical accessories, was submitted to the IEC-CENELEC parallel vote and was approved by CE
15、NELEC as EN 60320-2-1 on 2000-09-01. This European Standard supersedes EN 60320-2-1 :1987. 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 by endorsement - latest date by which the national stan
16、dards conflicting with the EN have to be withdrawn (dop) 2001-06-01 (dw) 2003-09-01 This part 2-1 is to be used in conjunction with EN 60320-1:1996 + Al:1996 + A2:1998, Appliance couplers for household and similar general purposes, Part I : General requirements. This part 2-1 supplements or modifies
17、 the corresponding clauses of EN 60320-1. Where a particular clause or subclause of part 1 is not mentioned in this part 2-1, that clause or subclause applies as far as is reasonable. Where this part 2-1 states “addition“, “modification“ or “replacement“, the relevant text of part 1 is to be adapted
18、 accordingly. Subclauses which are additional to those in part I are numbered starting from 101. Annexes designated “normative“ are part of the body of the standard. In this standard, annex ZA is normative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard
19、 IEC 60320-2-1:2000 was approved by CENELEC as a European Standard without any modification. COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesCONTENTS Page INTRODUCTION 4 Clause 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
20、 26 27 28 29 Scope 5 Normative references . 5 Definitions 5 General requirements . 6 General notes on tests . 6 Standard ratings . 6 Classification . 6 Marking 6 Dimensions and compatibility . 6 Protection against electric shock 7 Terminals and terminations 7 Construction 8 Moisture resistance 8 Ins
21、ulation resistance and electric strength 8 Operation of contacts . 8 Resistance to heating of appliance couplers for hot conditions or very hot conditions 8 Provision for earthing . 7 Forces necessary to insert and to withdraw the connector . 8 Breaking capacity . 8 Normal operation . 9 Temperature
22、rise . 9 Cords and their connection . 9 Mechanical strength . 9 Resistance to heat and ageing 10 Screws, current-carrying parts and connections . 10 Creepage distances, clearances and distances through insulation . 10 Resistance of insulating material to heat, fire and tracking . 10 Resistance to ru
23、sting . 1 0 Electromagnetic compatibility (EMC) requirements 10 Annex A Routine tests for factory wired appliance couplers related to safety Annex ZA (normative) Normative references to international publications with their (protection against electric shock and correct polarity) . 10 corresponding
24、European publications 11 O BSI 04-2001 COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesSTD._BSI BS EN b03Z-2-l-EMGL 2CIQL Lb24bb9 08?9-74 b-it Page 4 EN 60320-2-1:2000 I NTRO DUCT ION Where in IEC 60320-1 the words “appliance coupler“, “conne
25、ctor“ or “appliance inlet“ appear, they should be deleted and replaced by “sewing machine coupler“, “sewing machine connector“ or “sewing machine inlet“ respectively. 8 BSI 04-2001 COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesSTD-BSI BS EN
26、 b0320-2-3-ENGL 2001 548 ml Page 5 EN 60320-2- 1 :2000 APPLIANCE COUPLERS FOR HOUSEHOLD AND SIMILAR GENERAL PURPOSES - Part 2-1 : Sewing machine couplers I Scope Replacement: This part of IEC 60320 is applicable to special purpose appliance couplers for household sewing machines. These sewing machin
27、e 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
28、contact. 2 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 o
29、f, any of these publications do 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 documen
30、t referred to applies. Members of IEC and IS0 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 :I 994, Appliance couplers for household and similar general
31、purposes - Part 7: General requirements I EC 60335-2-28: 1994, Safety of household and similar electrical appliances - Part 2: Particular requirements for sewing machines 3 Definitions This clause of IEC 60320-1 applies with the following addition: 3.101 sewing machine coupler appliance coupler used
32、 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
33、 be fixed to it. O BSI 04-2001 COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesPage 6 EN 60320-2-1:2000 4 General requirements This clause of IEC 60320-1 applies. 5 General notes on tests This clause of IEC 60320-1 applies. 6 Standard ratings
34、 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. 7 Classification This clause of IEC 60320-1 applies amended as follows: 7.1 .i Replacement: Sewing machine couplers are for cold conditions only (maxi
35、mum pin temperature of the sewing machine inlet not exceeding 65 OC). 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. 8 Markin
36、g This clause of IEC 60320-1 applies. 9 Dimensions and compatibility This clause of IEC 60320-1 applies amended as follows: 9.1 Not applicable. 9.3 Addition: Note 2 does not apply. For sewing machine couplers no standard sheets have been included, but the following dimensional requirements apply: O
37、BSI 04-2001 COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesSTD.BS1 BS EN 60320-2-1-ENGL 2OOL 3524669 0695077 310 gl Page 7 EN 60320-2-1:2000 In sewing machine connectors, the socket contacts shall be recessed so as to comply with the distanc
38、es 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 2 A sewing machine connector with entry holes having a diameter or a width not exceeding 3 mm and recessed not less than 3 mm, as measu
39、red from the engagement face, is considered to be acceptable; see Standard Sheets C 1, C 5 and C 7 of IEC 60320-1. NOTE 3 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 o
40、f 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 4 mm. Additional subclause: (following 9.6): 9.101 Sewing machine couplers shall not be interchangeable with connectors or appliance inlets c
41、omplying 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. 1 I Provision for earthing This clause of IEC 60320-1 applies. 12 Termi
42、nals 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 conductors having a nominal cross-sectional area of 0,75 mm2 and 1 mm2. For screw and stud terminals the diame
43、ter 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 cross- sectional areas of 0,75 mm2 and 1 mm2. Additional subclause (following 12.1.3): 12.101 The terminal(s) in rewirable sewing machine connectors to which m
44、ore 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 O, each conductor is subjected to a pull of 30 N. O BSI 04-2001 COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information H
45、andling ServicesPage 8 EN 60320-2-1:2000 12.2.6 Addition: Terminals of size O are fitted with conductors having a nominal cross-section of 1 mm2, the number of wires and the nominal diameter of the wires being 32 x 0,20 mm2. 13 Construction This clause of IEC 60320-1 applies with the following addit
46、ions: 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.
47、 13.102 (Following 13.1 1) 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
48、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 a
49、pply. 19 Breaking capacity This clause of IEC 60320-1 applies. COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesSTD*BS BS EN b0320-2-li-ENGL ZUDL Bp 1624669 0857079 LS3 lls Page 9 EN 60320-2-1:2000 Type of connector Lightest type of cord 20 Normal operation Minimum nominal cross-sectional area mm2 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: I Sewing machine connector 60227 IEC
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