BS EN 50525-2-71-2011 Electric cables Low voltage energy cables of rated voltages up to and including 450 750 V (U0 U) Cables for general applications Flat tinsel cables (cords) wi.pdf

1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 50525-2-71:2011Electric cables Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U) Part 2-71: Cables for general applications Flat tinsel cable

2、s (cords) with thermoplastic PVC insulationBS EN 50525-2-71:2011 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN50525-2-71:2011. It partially supersedes BS6500:2000.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/20/17, Electric C

3、ables - Low voltage.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 64370 5ICS 29.060.20Co

4、mpliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2011.Amendments issued since publicationDate Text affectedBS EN 50525-2-71:2011 BRITISH STANDARDNational

5、 forewordThis British Standard is the UK implementation of EN50525-2-71:2011. It partially supersedes BS6500:2000.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/20/17, Electric Cables - Low voltage.A list of organizations represented on this committee can beobtained

6、on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 64370 5ICS 29.060.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This Britis

7、h Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2011.Amendments issued since publicationDate Text affectedThis British Standard is the UK implementation of EN 50525-2-71:2011. In the UK, the BS EN 50525 series of standards nullontain nullomp

8、lenullsnullpersession details. The tanullle nullelonull nullest snullmmarinulles the relationship nulletnulleen these standards:Part 1 together with Supersedes2-null1 BS nullnullnull-null:1nullnullnull2-null1, 2-null2 BS null007: 200null2-11 nullin partnull, 2-12, 2-21 nullin partnull, 2-71 BS null5

9、00:20002-11 nullin partnull, 2-21 nullin partnull, 2-51 nullin partnull, 2-nullnull, null-21 BS 7null1null:20012-null1, 2-51 nullin partnull BS 6004:2000null-null1 BS 7211:19982-22, 2-72, 2-null2, null-11, null-null1 NoneNOTE All British Standards will remain current until they are withdrawn on 31 D

10、ecember 2012. British Standards in bold are only partially supersedednull and new editions onull BS null00null and BS null211 will be introduced on 1 nullanuary 2013.National nullnnenull Nnull nullinformatinullenull nullinulles information on the orinullins and identinullnullation of partinullnullla

11、r nullanullle tnullpes.BS EN 50525-2-71:2011EUROPEAN STANDARD EN 50525-2-71 NORME EUROPENNE EUROPISCHE NORM May 2011 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Ave

12、nue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50525-2-71:2011 E ICS 29.060.20 Supersedes HD 21.5 S3:1994 (partially) + A1:1999 (partially) + A2:2001 (partially)English version Electric cable

13、s - Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U) - Part 2-71: Cables for general applications - Flat tinsel cables (cords) with thermoplastic PVC insulation Cbles lectriques - Cbles dnergie basse tension de tension assigne au plus gale 450/750 V (U0/U) - Partie 2-

14、71: Cbles pour applications gnrales - Cbles plats pour cordons fil rosette, isols en PVC thermoplastique Kabel und Leitungen - Starkstromleitungen mit Nennspannungen bis 450/750 V (U0/U) - Teil 2-71: Starkstromleitungen fr allgemeine Anwendungen - Lahnlitzen-Leitungen mit thermoplastischer PVC-Isoli

15、erung This European Standard was approved by CENELEC on 2011-01-17. 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 bibliograp

16、hical 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 official versions (English, French, German). A version in any other language made by translation under the responsibility of

17、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 committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Gr

18、eece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 50525-2-71:2011EN 50525-2-71:2011 - 2 - Foreword This European Standard was prepared by the T

19、echnical Committee CENELEC TC 20, Electric cables. The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50525-2-71 on 2011-01-17. This document, which is one of a multipart series, supersedes Clause 2 of HD 21.5 S3:1994 + A1:1999 + A2:2001. Attention is drawn to t

20、he possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. The following dates were fixed: latest date by which the EN has to be implemented at national level by publicati

21、on of an identical national standard or by endorsement (dop) 2012-01-17 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2014-01-17 _ BS EN 50525-2-71:2011- 3 - EN 50525-2-71:2011 Contents Page 1 Scope 42 Normative references . 43 Terms and definitions .

22、 44 Flexible cables H03VH-Y . 44.1 Construction . 44.2 Requirements . 5Annex A (normative) Tests for cables to EN 50525-2-71 6Annex B (normative) General data . 7Annex C (normative) Requirements for mechanical tests on completed cables 8C.1 Bending test 8C.2 Snatch test 8Bibliography . 9Tables Table

23、 A.1 6Table B.1 General data for Type H03VH-Y . 7BS EN 50525-2-71:2011EN 50525-2-71:2011 - 4 - 1 Scope This European Standard applies to thermoplastic (PVC) insulated flexible flat tinsel flexible cables. The cables are of rated voltage U0/U 300/300 V. The cables are intended for the connection of s

24、mall appliances to the fixed supply. The maximum conductor operating temperature for the cable in this standard is 40 C. NOTE HD 516 contains extensive guidance on the safe use of cables in this standard. This EN 50525-2-71 should be read in conjunction with EN 50525-1, which specifies general requi

25、rements. 2 Normative references The following referenced documents are indispensable 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. NOTE One or more

26、references to the standards below are in respect of a specific sub-division of that standard, for instance a clause, a table, a class or a type. Cross-references to these standards are undated and, at all times, the latest version applies. EN 50363-3 Insulating, sheathing and covering materials for

27、low voltage energy cables Part 3: PVC insulating compounds EN 50395 Electrical test methods for low voltage energy cables EN 50396 Non electrical test methods for low voltage energy cables EN 50525-1 Electric cables - Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U) P

28、art 1: General requirements 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) EN 60811-1-4 Insulating and sheathing materials of electric

29、and optical cables Common test methods Part 1-4: General application Tests at low temperature (IEC 60811-1-4) 3 Terms and definitions For the purposes of this document the terms and definitions given in Clause 3 of EN 50525-1 apply. 4 Flexible cables H03VH-Y 4.1 Construction 4.1.1 Conductor Each fle

30、xible tinsel cable shall be constructed from two conductors. BS EN 50525-2-71:2011- 5 - EN 50525-2-71:2011 Each conductor shall comprise a number of strands or groups of strands, twisted together, each strand being composed of one or more flattened wires of copper or copper alloy, helically wound on

31、 a thread of cotton, polyamide or similar material. The two conductors shall be laid parallel. 4.1.2 Insulation The two parallel conductors shall be covered with the insulation. The insulation shall be polyvinyl chloride compound of Type TI 2 to EN 50363-3. The insulation shall be provided with a gr

32、oove on both sides, between the conductors, to facilitate separation of the cores. 4.1.3 Marking The cable shall be marked with the CENELEC code H03VH-Y. The marking shall comply with Clause 6 of EN 50525-1. 4.2 Requirements Each cable shall comply with the appropriate requirements given in EN 50525

33、-1, and the particular requirements of this Part. Testing shall be in accordance with Annex A. The dimensions of the cables shall be within the limits specified in columns 2 and 3 of Table B.1. The conductor resistance shall not exceed the value given in column 5 of Table B.1. The requirements for t

34、he mechanical test on completed cables shall be in accordance with Annex C. BS EN 50525-2-71:2011- 5 - EN 50525-2-71:2011 Each conductor shall comprise a number of strands or groups of strands, twisted together, each strand being composed of one or more flattened wires of copper or copper alloy, hel

35、ically wound on a thread of cotton, polyamide or similar material. The two conductors shall be laid parallel. 4.1.2 Insulation The two parallel conductors shall be covered with the insulation. The insulation shall be polyvinyl chloride compound of Type TI 2 to EN 50363-3. The insulation shall be pro

36、vided with a groove on both sides, between the conductors, to facilitate separation of the cores. 4.1.3 Marking The cable shall be marked with the CENELEC code H03VH-Y. The marking shall comply with Clause 6 of EN 50525-1. 4.2 Requirements Each cable shall comply with the appropriate requirements gi

37、ven in EN 50525-1, and the particular requirements of this Part. Testing shall be in accordance with Annex A. The dimensions of the cables shall be within the limits specified in columns 2 and 3 of Table B.1. The conductor resistance shall not exceed the value given in column 5 of Table B.1. The req

38、uirements for the mechanical test on completed cables shall be in accordance with Annex C. BS EN 50525-2-71:2011EN 50525-2-71:2011 - 6 - Annex A (normative) Tests for cables to EN 50525-2-71 Table A.1 1 2 3 4 5 Ref No. Tests a Category of test Test method described in EN (Sub)clause 1 Electrical tes

39、ts b 1.1 Resistance of conductors T, S 50395 5 1.2.1 Voltage test at 2 000 V T, S 50395 5 1.3 Insulation resistance at 70 C T, S 50395 8.1 1.4 Long term resistance of insulation to d.c. T 50395 9 1.5 Absence of faults in insulation R 50395 10 2 Constructional and dimensional tests 2.1 Checking of co

40、mpliance with constructional provisions T, S 50525-1 Inspection and manual tests 2.2 Measurement of thickness of insulation T, S 50396 4.1 2.3 Measurement of overall diameter T, S 50396 4.4 3 Insulation material tests T 50363-3 c - 4 Mechanical strength of completed cable 4.1 Bending test T 50396 6.

41、4 4.2 Snatch test T 50396 6.7 5 Impact test at - 5 C T 60811-1-4 8.5 6 Test under fire conditions T 60332-1-2 - a All tests are applicable to these cables. The order given does not imply a sequence of testing. bParticular test conditions and requirements are given in Table 1 of EN 50525-1. c This EN

42、 includes all the test methods and requirements for the material. Material to be tested is taken from the finished cable. BS EN 50525-2-71:2011- 7 - EN 50525-2-71:2011 Annex B (normative) General data Table B.1 General data for Type H03VH-Y 1 2 3 4 5 Thickness of insulation specified value Mean over

43、all dimensions Minimum insulation resistance at 70 C Maximum conductor resistance at 20 C Lower limits Upper limits mm mm mm M.km /km 0,8 2,2 4,4 3,5 7,0 0,019 270 BS EN 50525-2-71:2011EN 50525-2-71:2011 - 8 - Annex C (normative) Requirements for mechanical tests on completed cables C.1 Bending test

44、 The test shall be carried out in accordance with 6.4 of EN 50396. During the test with 60 000 bending cycles i.e. 120 000 single strokes, interruption of the current shall not occur. After the test, the sample shall withstand the voltage test carried out in accordance with Clause 6 of EN 50395, the

45、 voltage, however, being 1 500 V and applied only between the conductors connected together and the water. C.2 Snatch test The test shall be carried out in accordance with 6.7 of EN 50396. During the test, interruption of the current shall not occur. BS EN 50525-2-71:2011- 9 - EN 50525-2-71:2011 Bib

46、liography HD 516 Guide to use of low voltage harmonized cables This page deliberately left blankNnull to BS EN 50525-2-71:2011BnullITISnull STnullNnullnullnullnullnull BSI 2011 null 11National Annex nullinformatinullenull Origins and identinullnullation onull the partinullular nullanullle tnullpesnu

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