1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationElectric and optical fibre cables Test methods for non-metallic materialsPart 411: Miscellaneous tests Low-temperature brittleness of filling compoundsBS EN 60811-411:2012Nationa
2、l forewordThis British Standard is the UK implementation of EN 60811-411:2012. It isidentical to IEC 60811-411:2012. In the UK, the relationship between the supersessions of BS EN 60811 seriescan be summarized as follows.Superseded standards are withdrawnThe UK participation in its preparation was e
3、ntrusted by Technical CommitteeGEL/20, Electric cables, to Subcommittee GEL/20/17, Electric Cables - Lowvoltage.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Use
4、rs are responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 65321 6ICS 29.035.01; 29.060.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the aut
5、hority of the StandardsPolicy and Strategy Committee on 31 July 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60811-411:2012BS EN 60811-100 together with Supersedes - -201, -202, -203, -501 BS EN 60811-1-1:1995 -301, -302, -411, -601, -602, -603, -604 BS EN
6、 60811-5-1:2000 -401, -412 BS EN 60811-1-2:1995 -402, -502, -503, -606 BS EN 60811-1-3:1995 -403, -404, -507 BS EN 60811-2-1:1998 -405, -409 BS EN 60811-3-2:1995 -406, -511, -605, -607 BS EN 60811-4-1:2004 -407, -408, -410, -510, -512, -513 BS EN 60811-4-2:2004 -504, -505, -506 BS EN 60811-1-4:1995
7、-508, -509 BS EN 60811-3-1:1995EUROPEAN STANDARD EN 60811-411 NORME EUROPENNE EUROPISCHE NORM June 2012 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17
8、, B - 1000 Brussels 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60811-411:2012 E ICS 29.035.01; 29.060.20 Supersedes EN 60811-5-1:1999 (partially) + A1:2004 (partially)English version Electric and optical fibre cables - T
9、est methods for non-metallic materials - Part 411: Miscellaneous tests - Low-temperature brittleness of filling compounds (IEC 60811-411:2012) Cbles lectriques et fibres optiques - Mthodes dessai pour les matriaux non-mtalliques - Partie 411: Essais divers - Fragilit basse temprature des matires de
10、remplissage (CEI 60811-411:2012) Kabel, isolierte Leitungen und Glasfaserkabel - Prfverfahren fr nichtmetallene Werkstoffe - Teil 411: Sonstige Prfungen - Klterissbestndigkeit von Fllmassen (IEC 60811-411:2012) This European Standard was approved by CENELEC on 2012-04-16. CENELEC members are bound t
11、o 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 national standards may be obtained on application to the CEN-C
12、ENELEC Management Centre 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 CEN-CENELEC Management Cen
13、tre 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, Italy, Latvia, Lithuania, Luxembourg, Malt
14、a, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. EN 60811-411:2012 - 2 - Foreword The text of document 20/1295/FDIS, future edition 1 of IEC 60811-411, prepared by IEC/TC 20 “Electric cables“ was submitted to the IE
15、C-CENELEC parallel vote and approved by CENELEC as EN 60811-411:2012. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2013-01-16 latest date by which the national standar
16、ds conflicting with the document have to be withdrawn (dow) 2015-04-16 This document supersedes Clause 6 of EN 60811-5-1:1999 + A1:2004 (partially). Full details of the replacements are shown in Annex A of EN 60811-100:2012. There are no technical changes with respect to EN 60811-5-1:1999 + A1:2004,
17、 but see the Foreword to EN 60811-100:2012. This standard is to be read in conjunction with EN 60811-100. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all
18、such patent rights. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC). Endorsement notice The text of the International Standard IEC 60811-411:2012 was approved by CENELEC as a European Stan
19、dard without any modification. BS EN 60811-411:2012- 3 - EN 60811-411:2012 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispen
20、sable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevan
21、t EN/HD applies. Publication Year Title EN/HD Year IEC 60811-100 2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 100: General EN 60811-100 2012 BS EN 60811-411:2012 2 60811-411 IEC:2012 CONTENTS 1 Scope . 6 2 Normative references . 6 3 Terms and definitions .
22、6 4 Test method . 6 4.1 General . 6 4.2 Apparatus 6 4.3 Sample and test pieces preparation. 6 4.4 Ageing procedure 7 4.5 Evaluation of the results 7 5 Test report 7 BS EN 60811-411:201260811-411 IEC:2012 5 INTRODUCTION The IEC 60811 series specifies the test methods to be used for testing non-metall
23、ic materials of all types of cables. These test methods are intended to be referenced in standards for cable construction and for cable materials. NOTE 1 Non-metallic materials are typically used for insulating, sheathing, bedding, filling or taping within cables. NOTE 2 These test methods are accep
24、ted as basic and fundamental and have been developed and used over many years principally for the materials in all energy cables. They have also been widely accepted and used for other cables, in particular optical fibre cables, communication and control cables and cables for ships and offshore appl
25、ications. BS EN 60811-411:2012 6 60811-411 IEC:2012 ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATERIALS Part 411: Miscellaneous tests Low-temperature brittleness of filling compounds 1 Scope This Part 411 of IEC 60811 gives the procedure to evaluate lower temperature brittlenes
26、s which typically applies to filling compounds used for communication and optical fibre cables. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited app
27、lies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60811-100:2012, Electric and optical fibre cables Test methods for non-metallic materials Part 100: General 3 Terms and definitions For the purposes of this document, the terms and def
28、initions given in IEC 60811-100 apply. 4 Test method 4.1 General This part of IEC 60811 shall be used in conjunction with IEC 60811-100. This test is used to examine the adhesion between the compound and other elements of the cable. NOTE The test method does not apply to filling compounds with a dro
29、p-point higher than 80 C. 4.2 Apparatus For the purpose of this test, the different equipment used is as follows: a) strips of lead alloy of dimensions 170 mm 14 mm 0,9 mm; b) sheet brass pattern of dimensions 160 mm 160 mm 1 mm having a rectangular opening of 100 mm 10 mm and a locating edge to avo
30、id movement on the strips; c) metal mandrel having a 10 mm diameter; d) cold enclosure for 10 C 1 C. 4.3 Sample and test pieces preparation From a sample of finished cable take the filling compound to be tested. Ten test pieces shall be prepared with this compound as described below. Each strip of l
31、ead alloy shall be cleaned with a wire brush and laid on a plain base. BS EN 60811-411:201260811-411 IEC:2012 7 The pattern is placed on the strip so that the longitudinal edges of the strip are covered symmetrically. The compound to be tested is spatulated at ambient temperature into the opening of
32、 the pattern, and excess material shall be removed by a warmed spatula or other suitable device. The pattern is then removed from the strip. 4.4 Ageing procedure The test pieces shall be conditioned for at least 16 h at room temperature and then cooled to 10 C 1 C for at least 1 h. Each sample shall
33、 then immediately be wound helically around a metal mandrel having a 10 mm diameter and which is fixed in a horizontal position and pre-cooled to 10 C. The rate of winding shall be about one revolution per second. 4.5 Evaluation of the results Each test piece shall be examined for cracks, with norma
34、l or corrected vision, without magnification. Not more than two of the ten test pieces shall show cracks. If more than two samples fail, the test may be repeated one more time. NOTE A slight lifting off at the corners of the compound layer is acceptable. 5 Test report The test report shall be in acc
35、ordance with that given in IEC 60811-100. BS EN 60811-411:2012 8 60811-411 IEC:2012 Bibliography IEC 60811-5-1:1990, Common test methods for insulating and sheathing materials of electric cables Part 5: Methods specific to filling compounds Section One Drop-point Separation of oil Lower temperature
36、brittleness Total acid number Absence of corrosive components Permittivity at 23 C D.C. resistivity at 23 C and 100 C (withdrawn) _ BS EN 60811-411:2012This page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related public
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