1、STD-BSI BS EN b0999-1-ENGL 2000 Lb24bb 08527LL 8bO = BRITISH STANDARD Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units - Part 1: General requirements and particular requirements for clamping units for conductors from 0,2 mm2 up
2、to 35 mm2 (included) The European Standard EN 60999-1:2000 has the status of a British Standard CS 29.120.20 NO COPYING WLTHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGEW LAW 3s EN iO999- 1 :2000 EC io999-1:1999 BS EN 60999-1:2000 direction of the Electrotecnical Sector Committee, was published
3、 under the authority of the Standards Committee and comes into effect on 15 July 2000 Amd. No. National foreword Date Comments This British Standard is the official English language version of EN 60999-1:2000. It is identical with IEC 60999-1:1999. It supersedes BS EN 60999:1993 which is withdrawn.
4、The UK participation in its preparation was entrusted by Technical Committee PEM3, Installed electrical accessories, to Subcommittee PEy23/2, Connecting devices, which has the responsibiity to: - aid enquirers to understand the text; - present to the responsible internationallEuropean committee any
5、enquiries on the interpretation, or proposals for change, and keep the UK interests informed; them in the UK - monitor related intemational and European developments and promulgate A list of organizations represented on this subcommittee can be obtained on request to its secrem. From 1 January 1997,
6、 ali IEC publications have the number 6 added to the old number. For instance, IEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the cnange over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references Attention is drawn
7、to the fact that CEN and CENELEC Standards normally include an annex which lists nonnative 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 Cat
8、alogue under the section entitled “International Standards Correspondence Index”, or by using the “Find facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a conhct Users of British Standards are responsible for their cor
9、rect 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 2 to 27, the annex ZA page, an inside back cover and a back cover. The BSI copyright
10、 notice displayed in this document indicates when the document was last issued. O BSI 07-2000 I I ISBN O 580 36037 7 I I STD-BSI BS EN b0777-L-ENGL 2000 Ib2Libb7 0852713 b33 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60999-1 March 2000 ICs 29.1 20.20 Supersedes EN 60999-1 : 1993 English ve
11、rsion Connecting devices - Electrical copper conductors Safety requirements for screw-type and screwless-type clamping units Part 1 : General requirements and particular requirements for clamping units for conductors from 0,2 mm2 up to 35 mm2 (included) (IEC 60999-1 :I 999) Dispositifs de connexion
12、- Conducteurs lectriques en cuivre - Prescriptions de scurit pour organes de serrage vis et sans vis Partie 1 : Prescriptions gnrales et particulires pour les organes de serrage pour les conducteurs de 0,2 mmz 35 mm2 (inclus) (CE1 60999-1 : 1999) Verbindungsmaterial - Elektrische Kupferleiter - Sich
13、erheitsanforderungen fr schraub- und schraubenlose Klemmstellen Teil I : Allgemeine Anforderungen und besondere Anforderungen fr Klemmstellen fr Leiter von 0,2 mm2 bis einschlielich 35 mm2 (IEC 60999-1 11 999) This European Standard was approved by CENELEC on 2000-01-01. CENELEC members are bound to
14、 comply with the CENKENELEC 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 application to the Central
15、 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 has the same statu
16、s as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European
17、 Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2000 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CE
18、NELEC members. Ref. No. EN 60999-1:2000 E STD-BSI BS EN b0799-L-ENGL 2000 Lb24bb7 0852734 57T Page 2 EN 60999-1:2000 Foreword The text of document 23F/108/FDIS, future edition 2 of IEC 60999-1 , prepared by SC 23F, Connecting devices, of IEC TC 23, Electrical accessories, was submitted to the IEC-CE
19、NELEC parallel vote and was approved by CENELEC as EN 60999-1 on 2000-01-01. This European Standard supersedes EN 60999-1 :1993 and its corrigendum March 1997. The following dates were fixed: - latest date by which the EN has to be implemented at national level by publication of an identical nationa
20、l standard or by endorsement (dop) 2000- 1 0-0 1 - latest date by which the national standards conflicting with the EN have to be withdrawn (daw) 2003-01-01 Annexes designated “normative“ are part of the body of the standard. Annexes designated “informative“ are given for information only. In this s
21、tandard, annexes B, C and ZA are normative and annex A is informative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard IEC 60999-1 :1999 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, t
22、he following notes have to be added for the standards indicated: IEC 60998-2-3 NOTE: Harmonized as EN 60998-2-3:1993 (not modified). IEC 60998-2-4 NOTE: Harmonized as EN 60998-2-4: 1993 (not modified). IEC 61210 NOTE: Harmonized as EN 61210:1995 (modified). CONTENTS Page Clause Scope 4 Normative ref
23、erences . 4 Definit ions . 5 General . 7 General notes on tests . 7 Main characteristics . 7 Connection of conductors . 8 Constructional requirements . 9 Tests . 13 Annex A (informative) Approximate relationship between mm2 and AWG sizes 24 Annex B (normative) Rated connecting capacity and correspon
24、ding gauges 25 Annex C (normative) Construction of stranded conductors . 26 Annex ZA (normative) Normative references to international publications with their corresponding European publications 28 Bibliography 27 Figure 1 . Test apparatus according to 9.4 . 19 Figure 2 . Examples of pillar clamping
25、 units . 20 Figure 3 . Examples of screw and stud clamping units 21 Figure 4 - Examples of saddle clamping units . 22 Figure 5 - Examples of mantle clamping units . 22 Figure 6 - Examples of screwless-type clamping units 23 Table I . Relationship between rated connecting capacity and diameter of con
26、ductors 8 Table 4 . Relationship between torque and nominal diameter of thread . 16 Table 2 . Relationship between mass and cross-sectional area during testing . 15 Table 3 . Relationship between pull force and cross-sectional area . 15 O BSI 07-2000 STD-BSI BS EN b0777-L-ENGL 2000 m lb2Ybb7 08527Lb
27、 3Li2 m Page 4 EN 60999-1:2000 CONNECTING DEVICES - ELECTRICAL COPPER CONDUCTORS - SAFETY REQUIREMENTS FOR SCREW-TYPE AND SCREWLESS-TYPE CLAMPING UNITS - Part I : General requirements and particular requirements for clamping units for conductors from 0,2 mm2 up to 35 mm2 (included) 1 Scope This part
28、 of IEC 60999 applies to screw-type and screwless-type clamping units for connecting devices, either as separate entities or as integral parts of equipment, for the connection of electrical copper conductors (complying with IEC 60228), rigid (solid or stranded) and/or flexible, having a cross-sectio
29、nal area of 0,2 mm2 up to and including 35 mm2 and equivalent AWG sizes with a rated voltage not exceeding 1 O00 V a.c. with a frequency up to and including 1 O00 Hz, and 1 500 V d.c. It applies to clamping units primarily suitable for connecting unprepared conductors. This standard does not apply t
30、o clamping units a) for connection by crimping or soldering; b) for data and signalling circuits; c) for flat quick-connect terminations, insulation-piercing connecting devices and twist-on connecting devices, which are covered by IEC 61210 31), IEC 60998-2-3 I and IEC 60998-2-4 2 respectively. 2 No
31、rmative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of IEC 60999. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements base
32、d on this part of IEC 60999 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 IS0 maintain registers of currently
33、valid International Standards. IEC 60228:1978, Conductors of insulated cables IEC 60228A:1982, Conductors of insulated cables - First supplement IEC 60344:1980, Guide to the calculation of resistance of plain and coated copper conducfors of low-frequency cables and wires IEC 61545:1996, Connecting d
34、evices - Devices for the connection of aluminium conductors in clamping units of any material and copper conductors in aluminium bodied clamping units Figures in square brackets refer to the bibliography. O BSI 07-2000 STD=BSI BS EN b0979-L-ENGL 2000 M lb29bb9 0852717 289 Page 6 EN 60999-1:2000 ISO/
35、DIS 1456:-, Metallic coatings - Electrodeposited coatings of nickel plus chromium and of copper plus nickel plus chromium 2) IS0 2081 :1986, Metallic coatings - Electroplated coatings of zinc on iron or steel IS0 2093:1986, Electroplated coatings of tin - Specification and test methods 3 Definitions
36、 For the purpose of this part of IEC 60999, the following definitions apply. 3. I clamping unit the part(s) of the terminal necessary for the mechanical clamping and the electrical connection of the conductor(s), including the parts which are necessary to ensure the correct contact pressure 3.2 term
37、inal the conductive part of one pole, composed of one or more clamping unit(s) and insulation if necessary 3.3 connecting device a device for the electrical connection of one (or more) conductor(s), comprising one (or more) terminal(s), either fixed to a base or forming an integral part of the equip
38、ment 3.4 screw-type clamping unit a clamping unit for the connection and subsequent disconnection of one conductor or the interconnection and subsequent disconnection of two or more conductors, the connection being made, directly or indirectly, by means of screws or nuts of any kind 3.5 pillar clamp
39、ing unit a screw-type clamping unit in which the conductor is inserted into a hole or cavity, where it is 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
40、 the screw NOTE Examples of pillar clamping units are shown in figure 2. 3.6 screw clamping unit a screw-type clamping unit in which the conductor is clamped under the head of a screw. The clamping pressure may be applied directly by the head of the screw or through an intermediate part such as a wa
41、sher, clamping plate or anti-spread device NOTE Examples of screw clamping units are shown in figure 3. 2) To be published. O BSI 07-2000 STD-BSI BS EN b0777-3-ENGL 2000 W 3b2qbb7 0852738 315 Page 6 EN 60999-1:2000 3.7 stud clamping unit a screw-type clamping unit in which the conductor is clamped u
42、nder a nut. The clamping pressure may be applied directly by a suitably shaped nut or through an intermediate part such as a washer, clamping plate or anti-spread device NOTE Examples of stud clamping units are shown in figure 3. 3.8 saddle clamping unit a screw-type clamping unit in which the condu
43、ctor is clamped under a saddle by means of two or more screws or nuts NOTE Examples of saddle clamping units are shown in figure 4. 3.9 mantle clamping unit a screw-type clamping unit in which the conductor is clamped against the base of a slot in a threaded stud by means of a nut, by a suitably sha
44、ped washer 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 conductor within the slot NOTE Examples of mantle clamping units are shown in figure 5. 3.10 screwless-type clamping unit a clamping unit for the con
45、nection and subsequent disconnection of one conductor or the interconnection and subsequent disconnection of two or more conductors, the connection being made, directly or indirectly, by means other than screws 3.10.1 universal clamping unit (for all types of conductors) 3.10.2 non-universal clampin
46、g unit (for certain types of conductors only) For example: - - push-wire clamping unit (for solid conductors only); push-wire clamping unit (for rigid (solid and stranded) conductors only). NOTE Examples of screwless-type clamping units are shown in figure 6. 3.11 rated connecting capacity of a clam
47、ping unit a value of connectable conductor cross-sectional area stated by the manufacturer and to which certain thermal, mechanical and electrical requirements are referred 3.12 ambient temperature the temperature of the air surrounding the clamping unit together with its enclosure, if any 3.13 temp
48、erature rise the difference between the temperature of the part under test, together with its enclosure, if any, measured under load according to the test specification and the ambient temperature O BSI 07-2000 STD-BSI BS EN b0777-L-ENGL 2000 Zb2Ybb7 0852737 O53 Page 7 EN 60999-1:2000 3.14 unprepare
49、d conductor a conductor which has been cut and the insulation of which has been removed for insertion into a clamping unit NOTE A conductor the shape of which is arranged for introduction into a clamping unit or the strands of which are twisted to consolidate the end, is considered to be an unprepared conductor. 3.1 5 prepared conductor a conductor the stripped end of which is fitted with an eyelet, a terminal end, a cable lug, etc. 4 General Clamping units shall be so designed and constructed that, in normal use, their performance is reliable and wit
