BS EN 50525-1-2011 Electric cables Low voltage energy cables of rated voltages up to and including 450 750 V (U0 U) General requirements《电缆 额定电压为450 750 V (U0 U)及以下的低压能源电缆 一般要求》.pdf

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BS EN 50525-1-2011 Electric cables Low voltage energy cables of rated voltages up to and including 450 750 V (U0 U) General requirements《电缆 额定电压为450 750 V (U0 U)及以下的低压能源电缆 一般要求》.pdf_第1页
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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 50525-1:2011Electric cables Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U) Part 1: General requirementsBS EN 50525-1:2011 BRITISH STANDARD

2、National forewordThis British Standard is the UK implementation of EN 50525-1:2011.It partially supersedes BS6004:2000 and BS6007:2006 andBS638-4:1996 and BS6500:2000 and BS7211:1998 and BS7919:2001.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/20/17, Electric Cable

3、s - 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 64360 6ICS 29.060.20Compli

4、ance 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 50525-1:2011 BRITISH STANDARDNational forewo

5、rdThis British Standard is the UK implementation of EN 50525-1:2011.It partially supersedes BS6004:2000 and BS6007:2006 andBS638-4:1996 and BS6500:2000 and BS7211:1998 and BS7919:2001.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/20/17, Electric Cables - Low voltage

6、.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 64360 6ICS 29.060.20Compliance with a Bri

7、tish 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 affectedThis British Standard is the UK implementation of EN 50525-1:2011

8、. In the UK, the BS EN 50525 series of standards contain complenullsnullpersession 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 null00null: 200nul

9、l2-11 nullin partnull, 2-12, 2-21 nullin partnull, 2-null1 BS null500:20002-11 nullin partnull, 2-21 nullin partnull, 2-51 nullin partnull, 2-nullnull, null-21 BS nullnull1null:20012-null1, 2-51 nullin partnull BS 6004:2000null-null1 BS 7211:19982-22, 2-null2, 2-null2, null-11, null-null1 NoneNOTE A

10、ll British Standards will remain current until they are withdrawn on 31 December 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 nullnnenulles Nnull and NB nullinformatinullenull nu

11、llinulle information on, respectinullelnull, the strnullctnullre of the nullhole of the BS EN 50525 series and its derinullation from British Standards and from nullnull 21 and nullnull 22 nullnullnnenull Nnullnull, and Standard United Kinnulldom reference codes nullnullnnenull NBnull.BS EN 50525-1:

12、2011EUROPEAN STANDARD EN 50525-1 NORME EUROPENNE EUROPISCHE NORM May 2011 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENEL

13、EC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50525-1:2011 E ICS 29.060.20 Supersedes HD 21.1 S4:2002, HD 22.1 S4:2002English version Electric cables - Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U)

14、- Part 1: General requirements Cbles lectriques -Cbles dnergie basse tension detension assigne au plus gale 450/750 V (U0/U) -Partie 1: Exigences gnrales Kabel und Leitungen -Starkstromleitungen mit Nennspannungen bis 450/750 V (U0/U) -Teil 1: Allgemeine Anforderungen This European Standard was appr

15、oved 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 bibliographical references concerning such nati

16、onal 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 languag

17、e 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, Greece, Hungary, Iceland, Ireland, Ital

18、y, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 50525-1:2011EN 50525-1:2011 - 2 - Foreword This European Standard was prepared by the Technical Committee CENELEC TC 20, Electric

19、cables. The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50525-1 on 2011-01-17. This document, which is one of a multipart series, supersedes HD 21.1 S4:2002 and HD 22.1 S4:2002. Attention is drawn to the possibility that some of the elements of this document

20、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 publication of an identical national standard or by endorsement (do

21、p) 2012-01-17 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2014-01-17 _ BS EN 50525-1:2011- 3 - EN 50525-1:2011 Contents Page Introduction 51 Scope 62 Normative references . 63 Terms and definitions 74 Rated voltage . 75 Requirements for the construc

22、tion of cables . 85.1 General 85.2 Conductors 85.3 Insulation . 85.4 Core identification 95.5 Assembly of cores 105.6 Other components 105.7 Sheath 136 Marking . 156.1 Indication of origin 156.2 Continuity of marking . 156.3 Use of the name CENELEC . 166.4 Code designation 166.5 Additional voluntary

23、 marking . 166.6 Additional requirements . 167 Tests on completed cables 167.1 General 167.2 Electrical requirements . 167.3 Overall dimensions . 207.4 Mechanical strength of flexible cables 207.5 Assessment of halogens 208 Guide to use of the cables . 20Annex A (normative) Mechanical tests Requirem

24、ents for flexible cables . 21A.1 Two-pulley flexing test . 21A.2 Wear resistance test . 21A.3 Three-pulley test . 21A.4 Kink test 22A.5 Test for separation of cores . 22Annex B (normative) Assessment of halogens . 23B.1 Requirements for extruded material 23B.2 Requirements for non-extruded materials

25、 . 24Annex C (normative) Determination of halogens Elemental test . 25C.1 Equipment . 25C.2 Materials 25C.3 Procedure 26Annex D (normative) Requirements for core identification of multicore cables with more than five cores 27D.1 Core identification 27BS EN 50525-1:2011EN 50525-1:2011 - 4 - D.2 Marki

26、ng by inscription 27D.3 Colour coding (pilot and marker system) 27Annex E (informative) Structure and content of EN 50525 and its derivation from HD 21 and HD 22. 28Bibliography . 31Tables Table 1 Requirements for electrical tests for cables . 18Table B.1 Test method, measurement, requirements . 23T

27、able B.2 Sequential test programme 24Table E.1 General structure of EN 50525 28Table E.2 Specific structure of EN 50525 and its derivation from HD 21 and HD 22 . 29Table E.3 Location of each part of HD 21 and HD 22 . 30BS EN 50525-1:2011- 5 - EN 50525-1:2011 Introduction EN 50525 derives from CENELE

28、C Harmonization Documents HD 21 and HD 22. It has the following parts: - Part 1: General requirements; - Part 2: Cables for general applications; - Part 3: Cables with special fire performance. Parts 2 and 3 are further subdivided for the particular cables and applications. NOTE Annex E gives a full

29、 description of the structure of EN 50525, its content and its derivation from HD 21 and HD 22. An intention of the conversion work, which forms part of an overall CENELEC initiative to convert remaining HDs to ENs, is to create a structure for the EN that will be sufficiently robust to ensure a sim

30、ple means of making future additions or amendments. As part of the work there has been a review of the market relevance of cable types in HD 21 and HD 22, and changes have been made accordingly. Some matters previously in HD 21 and HD 22 are now in separate publications thus: - Insulating, sheathing

31、 and covering materials EN 50363 series; - Electrical test methods EN 50395; - Non-electrical test methods EN 50396. The collective object of all parts of EN 50525 is: - to standardise cables that are safe and reliable when properly selected, installed and used; - to state the characteristics and ma

32、nufacturing requirements directly or indirectly bearing on safety; and - to specify methods for checking conformity with those requirements. European and national regulations contain requirements and recommendations relating to the environment. CENELEC TC 20 has published a Technical Report (TR) tha

33、t offers guidance and assistance to standard-writers of TC 20, to take into account the relevant environmental aspects as far as they are specific to electric cables in normal use. The TR is CLC/TR 62125, Environmental statement specific to TC 20 - Electric cables This EN takes account, where approp

34、riate and practicable, of the guidance in CLC/TR 62125. Cables within EN 50525 satisfy the essential health and safety requirements of the Low Voltage Directive (2006/95/EC). BS EN 50525-1:2011EN 50525-1:2011 - 6 - 1 Scope This European Standard gives the general requirements for rigid and flexible

35、energy cables of rated voltages U0/U up to and including 450/750 V a.c., used in power installations and with domestic and industrial appliances and equipment. NOTE 1 For some types of flexible cables, the term “cord“ is used. NOTE 2 Rated voltages are given by reference to alternating current (a.c.

36、) systems. Use of the cables in direct current (d.c.) systems is permitted. NOTE 3 National regulations may prescribe additional performance requirements for cables that are not given in the particular requirements. For example for buildings with high levels of public access, additional fire perform

37、ance requirements may be applicable, The test methods for checking conformity with the requirements are given in other standards (see Introduction). The particular types of cables are specified in EN 50525-2 (series) and EN 50525-3 (series). The individual parts within those two series are collectiv

38、ely referred to hereafter as “the particular specifications“. Only the sizes (conductor class, cross-sectional area), number of cores, other constructional features and rated voltages given in the particular specification apply to the individual cable type. The code designations of these types of ca

39、bles are in accordance with HD 361. 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)

40、 applies. NOTE One or more 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 50267-2-1 Common test methods

41、for cables under fire conditions Tests on gases evolved during combustion of materials from cables Part 2-1: Procedures Determination of the amount of halogen acid gas EN 50267-2-2 Common test methods for cables under fire conditions Tests on gases evolved during combustion of materials from cables

42、Part 2-2: Procedures Determination of degree of acidity of gases for materials by measuring pH and conductivity EN 50334 Marking by inscription for the identification of cores of electric cables EN 50363 Series Insulating, sheathing and covering materials for low-voltage energy cables EN 50395 Elect

43、rical test methods for low voltage energy cables EN 50396 Non electrical test methods for low voltage energy cables EN 60228 Conductors of insulated cables (IEC 60228) EN 60684-2 Flexible insulating sleeving Part 2: Methods of test (IEC 60684-2) BS EN 50525-1:2011- 7 - EN 50525-1:2011 HD 308 Identif

44、ication of cores in cables and flexible cords HD 361 System for cable designation HD 516 Guide to use of low voltage harmonized cables 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 type tests (Symbol T) tests required to be made before supp

45、lying a type of cable covered by this standard on a general commercial basis, in order to demonstrate satisfactory performance characteristics to meet the intended application NOTE These tests are of such a nature that, after they have been made, they need not be repeated unless changes are made in

46、the cable materials, design or type of manufacturing process which might change the performance characteristics. 3.2 sample tests (Symbol S) tests made on samples of completed cable, or components taken from a completed cable adequate to verify that the finished product meets the design specificatio

47、ns 3.3 routine tests (Symbol R) tests made on all production cable lengths to demonstrate their integrity 3.4 dummy core extruded element having the same overall diameter as the insulated core 4 Rated voltage The rated voltage of a cable is the reference voltage for which the cable is designed. The

48、rated voltage in an alternating current system, is expressed by the combination of two values U0/U, expressed in volts, where: a) U0is the r.m.s. value between any insulated conductor and “earth” (metal covering of the cable or the surrounding medium); b) U is the r.m.s. value between any two phase

49、conductors of a multicore cable or of a system of single core cables. In an alternating current system, the rated voltage of a cable should be at least equal to the nominal voltage of the system for which it is intended. This condition applies to the values of both U0and U. NOTE For information about the maximum permanent permi

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