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4、l+A1:2011National forewordThis British Standard is the UK implementation of EN 50363-8:2005+A1:2011. It supersedes BS EN 50363-8:2005, which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CENELEC text carry th
5、e number of the CENELEC amendment. For example, text altered by CENELEC amendment A1 is indicated by !“.The UK participation in its preparation was entrusted by Technical Committee GEL/20, Electric cables, to Subcommittee GEL/20/17, Electric Cables - Low voltage.A list of organizations represented o
6、n 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.BS EN 50363-8:2005+
7、A1:2011This British Standard was published under the authority of the Standards Policy and Strategy Committeeon 16 January 2006 BSI 2011Amendments/corrigenda issued since publicationDate Comments 30 November 2011 Implementation of CENELEC amendment A1:2011: Changes to Table 2ISBN 978 0 580 67092 3EU
8、ROPEAN STANDARD EN 50363-8/A1 NORME EUROPENNE EUROPISCHE NORM March 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 CENELE
9、C - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50363-8:2005/A1:2011 E ICS 29.035.20 English version Insulating, sheathing and covering materials for low voltage energy cables - Part 8: Halogen-free, thermoplastic sheathing compounds Ma
10、triaux pour enveloppe isolante, gainage et revtement pour les cbles dnergie basse tension - Partie 8: Mlanges thermoplastiques sans halogne pour gaine Isolier-, Mantel- und Umhllungswerkstoffe fr Niederspannungskabel und -leitungen - Teil 8: Halogenfreie, thermoplastische Mantelmischungen This amend
11、ment A1 modifies the European Standard EN 50363-8:2005; it was approved by CENELEC on 2011-03-14. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment the status of a national standard without any alteration. Up-to-dat
12、e lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This amendment exists in three official versions (English, French, German). A version in any other language made by translation under the resp
13、onsibility 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 committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Franc
14、e, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. 2 ForewordThis European Standardwas prepared by the Technical Committee CENELEC TC 20
15、, Electric cables.The text of the draft was submitted to the formal vote andwas approved by CENELEC as EN 50363-8on 2005-11-01.EN 50363 (inall its parts) supersedes the equivalent information at present in HD 21.1 S4,HD 21.14 S1, HD 22.1S4, HD 22.10S1, HD 22.14S2 and prHD 21.15 S1. Theexisting infor
16、mation intheseHDs willbedeleted at thenext maintenancereview.EN 50363-8shouldberead in conjunctionwith EN 50363-0.Thefollowing dates werefixed: latest datebywhich the EN has to be implementedat nationallevel by publication of an identicalnationalstandardorbyendorsement (dop) 2006-11-01 latestdatebyw
17、hich the national standards conflictingwith the EN have to be withdrawn(dow) 2007-11-01_ Foreword to amendment A1This amendment was prepared by the Technical Committee CENELEC TC 20. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as amendment A1 to
18、 EN 50363-8:2005 on 2011-03-14. The following dates were fixed: latest date by which the amendment has to be implementedat national level by publication of an identical national standard or by endorsement (dop) 2012-03-14 latest date by which the national standards conflicting with the amendment hav
19、e to be withdrawn (dow) 2014-03-14 _ BS EN 50363-8:2005+A1:2011 EN 50363-8:2005+A1:2011 (E) 3Contents 1Scope .42 Normativereferences .43 Definitions.44Properties .4Table 1Types of halogen-free thermoplastic sheathingcompound.4Table 2 Requirements for the tests forhalogen-free thermoplastic sheathing
20、 compounds5BS EN 50363-8:2005+A1:2011 EN 50363-8:2005+A1:2011 (E)41ScopeThis part of EN 50363 specifies the requirements for the physical properties of the harmonisedhalogen-free thermoplastic sheathingcompoundgiven in Table1.The relevant test methodsforverificationofcomplianceare given in EN 60811
21、(series),EN50267-2 series,EN60684-2, EN 50396and HD 21.14.NOTE 1Requirementsfor smokeemission,which are based on testsoncablesand not individual materials, are given in therelevant cablestandard.NOTE 2Thispart ofEN50363 is to be readinconjunctionwithEN50363-0.Table1Types ofhalogen-free thermoplastic
22、sheathingcompoundType Maximumcableoperating temperatureCGeneralapplicationTM 7 70 Ordinaryduty2 Normativereferences For the purposesof this part ofEN50363, the requirements of EN 50363-0, Clause 2 , applywithregard tonormativereferences.3 Definitions For the purposes of this part of EN 50363, thedef
23、initions given in EN 50363-0, Clause 3, apply.4Properties Eachcompound shallmeet the particular requirements listed in Table 2, when using the test methodsreferenced in columns 4and 5.NOTE For cross-references to thelatest editions of the test method standards seeTable2 ofEN50363-0.BS EN 50363-8:200
24、5+A1:2011 EN 50363-8:2005+A1:2011 (E)5Table 2Requirementsfor the tests for halogen-free thermoplasticsheathingcompounds1 2 345 6Test methoddescribedinEN 60811 bTypeofcompoundRefNo Test a Unit SectionClause TM7 1Mechanicalproperties 1.1 Properties before ageing1-1 9.2 1.1.1 Values to be obtained fort
25、he tensilestrength:-median, min. N/mm 7,51.1.2 Values to be obtained forthe elongationat break:-median, min. %1501.2 Properties after ageing inair oven1-2 8.11.2.1 Ageingconditions:-temperatureC 80 2 -duration of treatment h 7x 241.2.2 Value to be obtainedforthe tensilestrength:-median, min. N/mm -v
26、ariation, max. % 201.2.3 Values tobeobtained forthe elongationat break:-median, min. %-variation, max. % 202 Pressure testat hightemperature3-1 8.2 2.1 Test conditions:-force exerted by the bladeN 3-1 8.2.4 c-duration of heating underloadh 3-18.2.5 c-temperatureC 80 2 2.2 Result to be obtained:-medi
27、an of the depthofindentation,max.%503 Bending test at lowtemperature1-48.2 3.1 Test conditions:-temperatureC -15 2 -periodofapplicationoflow temperatureh1-4 8.2.3 c3.2 Result to be obtained dBS EN 50363-8:2005+A1:2011 EN 50363-8:2005+A1:2011 (E) 6 Table 2Requirementsfor the tests for halogen-free th
28、ermoplasticsheathingcompounds(continued)1 2 345 6Test methoddescribedinEN 60811 bTypeofcompoundRefNo Test a Unit SectionClause TM7 4Elongation testat lowtemperature1-48.44.1 Test conditions:-temperatureC -15 2 -periodofapplicationoflow temperatureh1-4 8.4.4 &8.4.5c4.2 Result tobeobtained:-elongation
29、without break,min.% 305Ozone resistance test5.1 Method A 2-18- test temperatureC 25 2 -duration h 24-ozone concentration(byvolume)%(250 to 300)x10 -45.2 Method BEN50396 8.1.3 - test temperatureC 40 2 -duration h 72 -ozone concentration(byvolume)% (200 50)x10-65.3 Result to be obtained d6 Water immer
30、sion test6.1 Test conditions:-temperatureC 70 2 -duration h 7x246.2 Mechanical properties afterimmersion6.2.1 Values tobeobtained forthe tensilestrength:-variation, max. % 306.2.2 Values tobeobtained forthe elongationat break:-variation, max. % 35BS EN 50363-8:2005+A1:2011 EN 50363-8:2005+A1:2011 (E
31、)EN 50525-3-11 Annex D! “ 7Table 2Requirementsfor the tests for halogen-free thermoplasticsheathingcompounds(continued)1 2 345 6Test methoddescribedinEN 60811 bTypeofcompoundRefNo Test a Unit SectionClause TM7 7 Assessment ofhalogens7.1 -pH, min. EN 50267-2-2 4,3 7.2 -conductivity,max. S/mm EN 50267
32、-2-2 107.3 -amount of halogen acidgas-HCl andHBr,max.% EN 50267-2-10,5-HF, max. e %EN 60684-2 0,1a Informationonother testsisgiven in EN 50363-0, Clause5.b Unlessstatedotherwise.c See test method referred to in columns4and 5.d No cracks.e This test need not beperformedifanegativeresult isobtained fo
33、rfluorine in the test toBS EN 50363-8:2005+A1:2011 EN 50363-8:2005+A1:2011 (E)Annex C of EN 50525-1. ! “BSI GroupHeadquarters 389 Chiswick High Road, London, W4 4AL, UK Tel +44 (0)20 8996 9001 Fax +44 (0)20 8996 7001 standardsBSI - British Standards InstitutionBSI is the independent national body r
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