BS EN 60998-2-1-2004 Connecting devices for low-voltage circuits for household and similar purposes - Particular requirements for connecting devices as separate entities with screw.pdf

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1、BRITISH STANDARD BS EN 60998-2-1:2004 Connecting devices for low-voltage circuits for household and similar purposes Part 2-1: Particular requirements for connecting devices as separate entities with screw-type clamping units The European Standard EN 60998-2-1:2004 has the status of a British Standa

2、rd ICS 29.120.20 BS EN 60998-2-1:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 10 June 2004 BSI 10 June 2004 ISBN 0 580 43850 3 National foreword This British Standard is the official English language version of EN 60998-2-1:2004. It w

3、as derived by CENELEC from IEC 60998-2-1:2002. It supersedes BS EN 60998-2-1:1993 which will be withdrawn on 1 April 2006. The CENELEC 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 by

4、 Technical Committee PEL/23, Electrical accessories, to Subcommittee PEL/23/2, Connecting devices, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement internation

5、al 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 the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to

6、 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 legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any

7、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. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 25 and a b

8、ack cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEAN STANDARD EN 60998-2-1 NORME EUROPENNE EUROPISCHE NORM April 2004 CENELEC European Committee for Electrotechnical Standardizat

9、ion Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2004 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60998-2-1:2004 E

10、ICS 29.120.20 Supersedes EN 60998-2-1:1993English version Connecting devices for low-voltage circuits for household and similar purposes Part 2-1: Particular requirements for connecting devices as separate entities with screw-type clamping units (IEC 60998-2-1:2002, modified) Dispositifs de connexio

11、n pour circuits basse tension pour usage domestique et analogue Partie 2-1: Rgles particulires pour dispositifs de connexion en tant que parties spares organes de serrage vis (CEI 60998-2-1:2002, modifie) Verbindungsmaterial fr Niederspannungs-Stromkreise fr Haushalt und hnliche Zwecke Teil 2-1: Bes

12、ondere Anforderungen fr Verbindungsmaterial als selbstndige Betriebsmittel mit Schraubklemmen (IEC 60998-2-1:2002, modifiziert) This European Standard was approved by CENELEC on 2004-03-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions f

13、or 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 off

14、icial 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 com

15、mittees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 69908-2-1:0240

16、 - - 2 Foreword The text of the International Standard IEC 60998-2-1:2002, prepared by SC 23F, Connecting devices, of IEC TC 23, Electrical accessories, together with common modifications prepared by the CENELEC Reporting Secretariat SR 23F, was submitted to the formal vote and was approved by CENEL

17、EC as EN 60998-2-1 on 2004-03-01. This European Standard supersedes EN 60998-2-1:1993. 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 (dop) 2005-03-01 latest date by which the nati

18、onal standards conflicting with the EN have to be withdrawn (dow) 2007-03-01 This Part 2-1 is intended to be used in conjunction with EN 60998-1:2004. It supplements or modifies the corresponding clauses in EN 60998-1, so as to convert it into the European Standard: Particular requirements for conne

19、cting devices as separate entities with screw- type clamping units. Where a particular subclause of Part 1 is not mentioned in this Part 2-1, that subclause applies as far as is reasonable. Where this standard states “addition”, “modification” or “replacement”, the relevant text in Part 1 should be

20、adapted accordingly. In this standard, a) the following print types are used: - requirements proper: in roman type; - test specifications: in italic type; - explanatory matter: in smaller roman type. b) Subclauses and figures which are additional to those in Part 1 are numbered starting from 101; ad

21、ditional annexes are lettered AA, BB, etc. _ Page2 EN6099821:2004- 3 - NE 069-89-2:12004 Endorsement notice The text of the International Standard IEC 60998-2-1:2002 was approved by CENELEC as a European Standard with agreed common modifications. DOM NOMMOCITACIFINOS 1.0120 T nION ,101 elbaTE ,1 ede

22、let “f dnaoA rWG ctcudnoosr, A noSMT B,17-271 ICEA Plbuicatino S-,18-91 ICEA PlbuictaiS no-5-66I dna 42CEA Plbuictaion S-615-56“. 1.0120 T nIelba ,101 edelte TONE .2 1.01teleD 30e tON ehTE. 1.0140 T nIelba ,301 edelte ONTE na 1ON dTE .2 1.0150 T nIelba ,401 edelte ONTE na 1ON dTE .2 nAnex AA Delete

23、TONE .2 AnenDD x eteleD tohw ehlnna exe. rgoilbiBaphy eDelet teh ohwlt eex.t _ CONTENTS 1 Scope.5 2 Normative references5 3 Definitions5 4 General6 5 General notes on tests6 6 Main characteristics6 7 Classification6 8 Marking7 9 Protection against electric shock.7 10 Connection of conductors .7 11 C

24、onstruction.12 12 Resistance to ageing, to humidity conditions, to ingress of solid foreign objects and to harmful ingress of water13 13 Insulation resistance and electric strength.13 14 Mechanical strength13 15 Temperature rise13 16 Resistance to heat13 17 Clearances and creepage distances13 18 Res

25、istance of insulating material to abnormal heat and fire .13 19 Resistance of insulating material to tracking14 20 EMC requirements14 Annex AA (normative) Cross-sectional area of conductors and gauges to be used for the tests19 Annex BB (normative) Number of sets of three samples to be used for the

26、tests and sequences listed for each set 21 Annex CC (informative) Number of conductors to be used for the tests.22 Annex DD (informative) Text deleted 22 Annex EE (informative) Examples for temperature-rise test according to 15.4.23 Bibliography Text deleted .25 Figure 101 Examples of pillar clampin

27、g units 15 Figure 102 Examples of screw- and stud-clamping units .16 Figure 103 Examples of saddle-clamping units .16 Figure 104 Examples of mantle-clamping units .17 Figure 105 Test apparatus according to 10.104 17 Figure AA.1 Gauges for checking clamping units 20 Figure EE.1 Examples for temperatu

28、re-rise test according to 15.4 24 Page3 EN6099821:2004 Table 101 Rated connecting capacity and connectable conductors8 Table 102 Nominal diameter of thread 9 Table 103 Relationship between mass, height and cross-sectional area of conductors 11 Table 104 Relationship between pull force and cross-sect

29、ional area .11 Table AA.1 Cross-sectional area of conductors and corresponding gauges .19 Table BB.1 Sample sets .21 Table CC.1 Number of strands and diameters for cross-section areas 22 Page4 EN6099821:2004 CONNECTING DEVICES FOR LOW-VOLTAGE CIRCUITS FOR HOUSEHOLD AND SIMILAR PURPOSES Part 2-1: Par

30、ticular requirements for connecting devices as separate entities with screw-type clamping units 1 Scope This clause of Part 1 is applicable except as follows: Addition: This standard applies to connecting devices with screw-type clamping units primarily suitable for connecting unprepared conductors.

31、 2 Normative references This clause of Part 1 is applicable. 3 Definitions This clause of Part 1 is applicable except as follows: Additional definitions: 3.101 screw-type terminal terminal for the connection of two or more conductors by means of screw-type clamping units 3.101.1 pillar terminal term

32、inal in which the conductors are inserted into a hole or cavity, where they are clamped under the shank of a screw or screws. The clamping pressure may be applied directly by the shank of the screw or through an intermediate part to which pressure is applied by the shank of the screw NOTE Examples o

33、f pillar terminals are given in Figure 101. 3.101.2 screw terminal terminal in which the conductors are clamped under the head of one or more screws. The clamping pressure may be applied directly by the head of a screw or through an intermediate part, such as a washer, a clamping plate or an anti-sp

34、read device NOTE Examples of screw terminals are given in Figure 102. Page5 EN6099821:2004 3.101.3 stud terminal terminal in which the conductors are clamped under a nut. The clamping pressure may be applied directly by a suitably shaped nut or through an intermediate part, such as a washer, clampin

35、g plate or an anti-spread device NOTE Examples of stud terminals are given in Figure 102. 3.101.4 saddle terminal terminal in which the conductors are clamped under a saddle by means of two or more screws or nuts NOTE Examples of saddle terminals are given in Figure 103. 3.101.5 mantle terminal term

36、inal in which the conductors are clamped against the base of a slot in a threaded stud by means of a nut, by a suitably shaped washer placed under the nut, by a central peg if the nut is a cap nut, or by an equally effective means for transmitting the pressure from the nut to the conductors within t

37、he slot NOTE Examples of mantle terminals are given in Figure 104. 4 General This clause of Part 1 is applicable. 5 General notes on tests This clause of Part 1 is applicable except as follows: 5.3 Replacement: The tests are carried out in the sequence listed for each set in annex BB. 5.4 Replacemen

38、t of the first sentence by the following: The necessary number of new samples to be submitted to the tests is divided into sets as detailed in annex BB and this standard is met if all tests are satisfied. 6 Main characteristics This clause of Part 1 is applicable. 7 Classification This clause of Par

39、t 1 is applicable. Page6 EN6099821:2004 8 Marking This clause of Part 1 is applicable except as follows: 8.1 Addition: The terminal shall be marked according to 10.103, if applicable. Additional subclauses: 8.101 If the manufacturer declares that the performance of his devices exceeds the minimum re

40、quirements of subclauses 10.101 and 10.102 then he shall state in his data sheets or catalogue or on his packaging the types, the maximum and minimum cross-sectional area of conductors that can be connected and the maximum number of conductors that can be connected simultaneously to each clamping un

41、it. 9 Protection against electric shock This clause of Part 1 is applicable. 10 Connection of conductors This clause of Part 1 is applicable except as follows: Additional subclauses: 10.101 Terminals shall accept two or more conductors of the same or of different nominal cross-sectional areas or com

42、positions. Terminals shall accept rigid and/or flexible unprepared conductors. 10.102 Each terminal shall accept conductors of cross-sectional areas and types as indicated in Table 101, for the relevant values of the rated connecting capacity. Terminals shall provide, in addition, appropriate connec

43、tion of at least the two successive smaller cross-sectional areas, for example, a) a terminal having the rated connecting capacity of 1 mm shall clamp reliably a rigid and/or flexible conductor of 0,5 mm, 0,75 mm and 1 mm; b) a terminal having the rated connecting capacity of 10 mm shall clamp relia

44、bly rigid conductors of 4 mm, 6 mm and 10 mm and/or flexible conductors of 4 mm and 6 mm. c) a terminal having the rated connecting capacity of 25 mm shall clamp reliably rigid conductors of 10 mm, 16 mm and 25 mm and/or flexible conductors of 6 mm, 10 mm and 16 mm. d) a terminal for flexible conduc

45、tors only and having a rated connecting capacity of 25 mm shall clamp reliably flexible conductors of 10 mm, 16 mm and 25 mm. Page7 EN6099821:2004 Table 101 Rated connecting capacity and connectable conductors Connectable conductors and their theoretical diametersMetric Rigid Flexible Rated connecti

46、ng capacity Solid Stranded mm mm mm mm mm mm 0,2 0,34 0,5 0,2 0,34 0,5 0,51 0,63 0,9 0,53 0,66 1,1 0,2 0,34 0 ,5 0,61 0,8 1,1 0,75 0,75 1,0 1,2 0,75 1,3 1,0 1,0 1,2 1,4 1,0 1,5 1,5 1,5 1,5 1,7 1,5 1,8 2,5 2,5 1,9 2,2 2,5 2,3a4,0 4,0 2,4 2,7 4,0 2,9a6,0 6,0 2,9 3,3 4,0 2,9a10,0 10,0 3,7 4,2 6,0 3,9 1

47、6,0 16,0 4,6 5,3 10,0 5,1 25,0 25,0 - 6,6 16,0 6,3 35,0 35,0 - 7,9 25,0 7,8 NOTE 1 Diameters of the largest rigid and flexible conductors are based on Table 1 of IEC 60228 and IEC 60344. Text deleted aDimensions for Class 5 flexible conductors only, according to IEC 60228A. 10.103 Unless otherwise s

48、pecified by the manufacturer, terminals shall accept rigid and flexible conductors indicated in the connectable conductors column of Table 101 corresponding to their rated connecting capacity; in this case no markings are necessary. If a terminal can accept only one type of conductor (for example, r

49、igid or flexible) this shall either be clearly marked on the end product, for connecting purposes, by the letter “r” or “f” or indicated on the smallest package unit or in technical information and catalogues. Compliance with the requirements of 10.101 to 10.103 is checked by inspection and by the following test. The test is carried out on terminals with copper conductors in acc