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BS EN 50264-3-1-2008 Railway applications - Railway rolling stock power and control cables having special fire performance - Part 3-1 Cables with crosslinked nelastomeric insulatio.pdf

1、BRITISH STANDARDBS EN 50264-3-1:2008Railway applications Railway rolling stock power and control cables having special fire performance Part 3-1: Cables with crosslinked elastomeric insulation with reduced dimensions Single core cables ICS 13.220.20; 29.060.20; 45.060.01g49g50g3g38g50g51g60g44g49g42

2、g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 50264-3-1:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29

3、August 2008 BSI 2008ISBN 978 0 580 64073 5National forewordThis British Standard is the UK implementation of EN 50264-3-1:2008.The UK participation in its preparation was entrusted by Technical Committee GEL/20, Electric cables, to Subcommittee GEL/20/12, Railway cables.A list of organizations repre

4、sented on this committee can be obtained on request to its secretary.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 cannot confer immunity from legal obligations.Amendments/

5、corrigenda issued since publicationDate CommentsEUROPEAN STANDARD EN 50264-3-1 NORME EUROPENNE EUROPISCHE NORM June 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretaria

6、t: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50264-3-1:2008 E ICS 13.220.20; 29.060.20; 45.060.01 English version Railway applications - Railway rolling stock power and control cabl

7、es having special fire performance - Part 3-1: Cables with crosslinked elastomeric insulation with reduced dimensions - Single core cables Applications ferroviaires - Cbles de puissance et de contrle comportement au feu spcifi pour matriel roulant ferroviaire - Partie 3-1: Cbles enveloppe isolante r

8、ticule de faibles dimensions - Cbles monoconducteurs Bahnanwendungen - Starkstrom- und Steuerleitungen fr Schienenfahrzeuge mit verbessertem Verhalten im Brandfall - Teil 3-1: Leitungen mit vernetzter elastomerer Isolierung mit reduzierten Abmessungen - Einadrige Leitungen This European Standard was

9、 approved by CENELEC on 2008-03-01. 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-date lists and bibliographical references concerning such

10、 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 the responsibility of a CENELEC member into its own la

11、nguage and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, L

12、atvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 50264-3-1:2008 - 2 - Foreword This European Standard was prepared by Working Group 12, Railway cables, of the Technical Committee CENELEC

13、 TC 20, Electric cables, as part of the overall programme of work in the Technical Committee CENELEC TC 9X, Electrical and electronic applications for railways. The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50264-3-1 on 2008-03-01. The following dates were

14、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) 2009-03-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2011-03-01 _ BS EN 50264-3-1:2008- 3 - EN 5026

15、4-3-1:2008 Contents Introduction . 4 1 Scope 5 2 Normative references 5 3 Definitions 6 4 Rated voltage . 6 5 Marking and identification. . 6 5.1 Marking of cable 6 5.2 Core identification 7 5.3 Sheath . 7 6 Construction of cables 7 6.1 General 7 6.2 Conductor 7 6.3 Conductor screening . 7 6.4 Separ

16、ator . 7 6.5 Insulation system. 8 6.6 Sheath . 8 6.7 Constructional components . 8 7 Tests . 14 7.1 Definitions relating to tests 14 7.2 Conductor resistance 14 7.3 Voltage test . 14 7.4 Insulation resistance . 14 7.5 Dielectric strength 14 7.6 Spark test 15 7.7 DC stability 15 7.8 Surface resistanc

17、e. 15 7.9 Ageing test 16 7.10 Hot set test 16 7.11 Compatibility 16 7.12 Water absorption test on sheath . 17 7.13 Ozone resistance 17 7.14 Mineral oil resistance 17 7.15 Fuel resistance 18 7.16 Acid and alkali resistance 18 7.17 Bending test at low temperature ( cores and cables with OD 12,5 mm) 19

18、 7.18 Cold elongation test (cables with OD 12,5 mm) 19 7.19 Impact test at low temperature 19 7.20 Reaction to fire - Cables 19 7.21 Reaction to fire - Components 19 Annex A (normative) Code designation . 23 Bibliography 23 Tables Table 1 - General data - Cable type 0,6/1 kV unsheathed . 10 Table 2

19、- General data - Cable type 1,8/3 kV unsheathed . 11 Table 3 - General data - Cable type 1,8/3 kV sheathed . 12 Table 4 - General data - Cable type 3,6/6 kV sheathed . 13 Table 5 - Schedule of tests for cables 19 BS EN 50264-3-1:2008EN 50264-3-1:2008 - 4 - Introduction The EN 50264 series covers cab

20、les, based upon halogen free materials, for use in railway rolling stock. It is divided into 5 parts under the generic title “Railway applications - Railway rolling stock power and control cables having special fire performance”. Part 1 General requirements; Part 2-1 Cables with crosslinked elastome

21、ric insulation Single core cables; Part 2-2 Cables with crosslinked elastomeric insulation Multicore cables; Part 3-1 Cables with crosslinked elastomeric insulation with reduced dimensions Single core cables; Part 3-2 Cables with crosslinked elastomeric insulation with reduced dimensions Multicore c

22、ables. Information regarding selection and installation of cables, including current ratings can be found in EN 50355 (Guide to use) and EN 50343 (Rules for installation of cabling). The procedure for selection of cable cross-sectional area, including reduction factors for ambient temperature and in

23、stallation type, is described in EN 50343. Special test methods referred to in EN 50264 are given in EN 50305. The cables in Part 3-1 may also be used in EN 50264-3-2 to build up multicore sheathed cables. Part 1, “General requirements“, contains a more extensive introduction to EN 50264, and should

24、 be read in conjunction with this Part 3-1. BS EN 50264-3-1:2008- 5 - EN 50264-3-1:2008 1 Scope EN 50264-3-1 specifies requirements for, and constructions and dimensions of, single core cables of the following types and voltage ratings: 0,6/1 kV unscreened, unsheathed (1 mm2to 400 mm2); 1,8/3 kV uns

25、creened, unsheathed (1,5 mm2to 400 mm2); 1,8/3 kV unscreened, sheathed (1,5 mm2to 400 mm2); 3,6/6 kV unscreened, sheathed (2,5 mm2to 400 mm2). All cables have class 5 tinned copper conductors to EN 60228, halogen-free insulation and halogen-free sheath. They are for use in railway rolling stock as f

26、ixed wiring, or wiring where limited flexing in operation is encountered. The requirements provide for a continuous conductor temperature not exceeding 90 C and a maximum temperature for short circuit conditions of 200 C based on a duration of 5 s. Under fire conditions the cables exhibit special pe

27、rformance characteristics in respect of maximum permissible flame propagation (flame spread) and maximum permissible emission of smoke and toxic gases. EN 50264-3-1 should be read in conjunction with Part 1 “General requirements”. 2 Normative references The following referenced documents are indispe

28、nsable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 10002-1 Metallic materials Tensile testing Methods of test at ambient temperature EN 50264-1

29、:2008 Railway applications Railway rolling stock power and control cables having special fire performance Part 1: General requirements EN 50266-2-4 Common test methods for cables under fire conditions Test for vertical flame spread of vertically-mounted bunched wires or cables Part 2-4: Procedures C

30、ategory C EN 50266-2-5 Common test methods for cables under fire conditions Test for vertical flame spread of vertically-mounted bunched wires or cables Part 2-5: Procedures Small cables Category D EN 50305:2002 Railway applications Railway rolling stock cables having special fire performance Test m

31、ethods EN 60228 Conductors of insulated cables (IEC 60228) EN 60332-1-2 Tests on electric and optical fibre cables under fire conditions Part 1-2: Test for vertical flame propagation for a single insulated wire or cable Procedure for 1 kW pre-mixed flame (IEC 60332-1-2) BS EN 50264-3-1:2008EN 50264-

32、3-1:2008 - 6 - EN 60811-1-1:1995 Insulating and sheathing materials of electric and optical cables Common test methods Part 1-1: General application Measurement of thickness and overall dimensions Tests for determining the mechanical properties (IEC 60811-1-1:1993) EN 60811-1-2:1995 Insulating and s

33、heathing materials of electric cables Common test methods Part 12: General application Thermal ageing methods (IEC 60811-1-2:1985 + A1:1989 + corr. May 1986) EN 60811-1-3:1995 Insulating and sheathing materials of electric and optical cables Common test methods Part 1-3: General application Methods

34、for determining the density Water absorption tests Shrinkage test (IEC 60811-1-3:1993) EN 60811-1-4:1995 Insulating and sheathing materials of electric and optical cables Common test methods Part 14: General application Tests at low temperature (IEC 60811-1-4:1985 + A1:1993 + corr. May 1986) EN 6081

35、1-2-1:1998 Insulating and sheathing materials of electric and optical cables Common test methods Part 21: Methods specific to elastomeric compounds Ozone resistance, hot set and mineral oil immersion tests (IEC 60811-2-1:1998) EN 61034-2 Measurement of smoke density of cables burning under defined c

36、onditions Part 2: Procedure and requirements (IEC 61034-2) HD 308 Identification of cores in cables and flexible cords 3 Definitions For the purposes of this document, the terms and definitions given in EN 50264-1 apply. 4 Rated voltage The rated voltage for single-core insulated cables shall be as

37、follows: a) unsheathed: 0,6/1 kV; 1,8/3 kV; b) sheathed: 1,8/3 kV; 3,6/6 kV. 5 Marking and identification 5.1 Marking of cable Cables shall be marked with the following: manufacturers name; EN reference; voltage rating (U0); conductor size; a code designation according to Annex A. BS EN 50264-3-1:20

38、08- 7 - EN 50264-3-1:2008 An example of a complete mark is: XYZ EN 50264-3-1 1800 V 400 FF The marking shall conform to the requirements of EN 50264-1, Clause 5. 5.2 Core identification The core insulation of all cables shall be black unless otherwise specified. If a colour other than black is speci

39、fied it shall be a colour in accordance with HD 308. The colour shall be throughout the whole of the insulation or on its surface. The colour shall be clearly identifiable and durable. Durability shall be checked by the test given in EN 50305, 10.1. Conformity with these requirements shall be verifi

40、ed by visual examination. 5.3 Sheath The sheath shall be black unless otherwise agreed between the manufacturer and purchaser. 6 Construction of cables 6.1 General The cable shall conform to the applicable general requirements given in EN 50264-1 and to the specific requirements of this part. Confor

41、mity with the requirements shall be checked by inspection and by the tests given in Table 5. The cable dimensions shall be as given in Tables 1 to 4 as appropriate to the cable type. 6.2 Conductor Conductors shall be tin-coated annealed copper, class 5, according to EN 60228. When tested in accordan

42、ce with EN 10002-1 the minimum average elongation of wires from the conductor shall be 15 %, with a minimum value of 10 % for any individual wire. NOTE It is not necessary to test all individual wires. 5 % of wires or 10 wires, whichever is the least number, should be selected at random. 6.3 Conduct

43、or screening For cables in Table 4 conductor screening shall be as given in EN 50264-1, 6.1.6. 6.4 Separator 6.4.1 A separator may be used over the conductor if the cable construction does not include a conductor screen. 6.4.2 A separator may be included between the insulation and the sheath. BS EN

44、50264-3-1:2008EN 50264-3-1:2008 - 8 - 6.5 Insulation system The insulation shall be one or more extruded materials as defined in EN 50264-1 applied so as to meet the requirements of compound type EI 106 to EI 110: EI 106 low temperature resistant, oil resistant; EI 107 extra low temperature resistan

45、t, oil resistant; EI 108 low temperature resistant, extra oil and fuel resistant; EI 109 extra low temperature resistant, extra oil and fuel resistant; EI 110 extra low temperature resistant, non oil resistant. To claim extra low temperature performance both insulation and sheath shall be extra low

46、temperature resistant. The insulation shall be applied to meet the requirements of EN 50264-1, 6.2. The insulation thickness shall conform to the specified value given in Tables 1 to 4. 6.6 Sheath Sheath shall be an extruded material as defined in EN 50264-1 applied so as to meet the requirements of

47、 compound type EM 101 to EM 104: EM 101 low temperature resistant, oil resistant; EM 102 extra low temperature resistant, oil resistant; EM 103 low temperature resistant, extra oil and fuel resistant; EM 104 extra low temperature resistant, extra oil and fuel resistant. The sheath shall consist of o

48、ne or more extruded layers of the same type. The sheath shall be applied to meet the requirements of EN 50264-1, 6.5. The sheath thickness shall conform to the specified value given in Tables 3 and 4. 6.7 Constructional components 6.7.1 Unsheathed cables (Tables 1 and 2 - 0,6/1 kV and 1,8/3 kV) Cabl

49、es in Tables 1 and 2 shall be composed of the following components in the order given: conductor flexible tin coated annealed copper, class 5; separator optional; insulation a compound or compounds given in 6.5. BS EN 50264-3-1:2008- 9 - EN 50264-3-1:2008 6.7.2 Sheathed cable (Table 3 - 1,8/3 kV) Cables in Table 3 shall be composed of the following components in the order given: conductor flexible tin coated annealed coppe

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