SIST EN 60317-0-5:2007
(Main)Specifications for particular types of winding wires -- Part 0-5: General requirements - Glass-fibre braided resin or varnish impregnated, bare or enamelled rectangular copper wire
Specifications for particular types of winding wires -- Part 0-5: General requirements - Glass-fibre braided resin or varnish impregnated, bare or enamelled rectangular copper wire
This part of IEC 60317 specifies general requirements of glass-fibre braided resin or varnish impregnated, bare or enamelled rectangular copper wire. The range of nominal conductor dimensions is given in the relevant specification sheet. When reference is made to a winding wire according to IEC 60317-39 or IEC 60317-40 mentioned under Clause 2, the following information is given in the description: - reference to IEC specification; - nominal conductor dimensions in millimetres (width thickness); - grade of coating and glass covering. The coating shall be characterised by the following grades of thickness: - BGL1, bare conductor with 1 braided layer of glass fibre - BGL2, bare conductor with 2 braided layers of glass fibre - grade 1 BGL1, enamelled grade 1 (grade 1) with 1 braided layer of glass fibre (BGL1) - grade 1 BGL2, enamelled grade 1 (grade 1) with 2 braided layers of glass fibre (BGL2) - grade 2 BGL1, enamelled grade 2 (grade 2) with 1 braided layer of glass fibre (BGL1) - grade 2 BGL2, enamelled grade 2 (grade 2) with 2 braided layers of glass fibre (BGL2).
Technische Lieferbedingungen für bestimmte Typen von Wickeldrähten - Teil 0-5: Allgemeine Anforderungen - Flachdrähte aus Kupfer, blank oder lackisoliert und umsponnen mit Glasgewebe, imprägniert mit Harz oder Lack
Spécifications pour types particuliers de fils de bobinage -- Partie 0-5: Prescriptions générales - Fil de section rectangulaire en cuivre nu ou émaillé recouvert d'une tresse de fibres de verre imprégnées de résine ou de vernis
La présente partie de la CEI 60317 spécifie les exigences relatives au fil de section rectangulaire en cuivre nu ou émaillé recouvert d'une tresse de fibres de verre imprégnées de résine ou de vernis. La gamme des dimensions nominales des conducteurs est donnée dans la feuille de spécification concernée.
Specifikacije za posebne vrste navijalnih žic - 0-5. del: Splošne zahteve - Bakrena žica s pravokotnim prerezom, gola ali emajlirana, ovita z optičnimi vlakni in impregnirana s smolo ali lakom (IEC 60317-0-5:2006)
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Technische Lieferbedingungen für bestimmte Typen von Wickeldrähten - Teil 0-5: Allgemeine Anforderungen - Flachdrähte aus Kupfer, blank oder lackisoliert und umsponnen mit Glasgewebe, imprägniert mit Harz oder LackSpécifications pour types particuliers de fils de bobinage -- Partie 0-5: Prescriptions générales - Fil de section rectangulaire en cuivre nu ou
émaillé recouvert d'une tresse de fibres de verre imprégnées de résine ou de vernisSpecifications for particular types of winding wires -- Part 0-5: General requirements - Glass-fibre braided resin or varnish impregnated, bare or enamelled rectangular copper wire29.060.10ŽiceWiresICS:Ta slovenski standard je istoveten z:EN 60317-0-5:2007SIST EN 60317-0-5:2007en01-februar-2007SIST EN 60317-0-5:2007SLOVENSKI
STANDARD
SIST EN 60317-0-5:2007
EUROPEAN STANDARD EN 60317-0-5 NORME EUROPÉENNE
EUROPÄISCHE NORM January 2007
CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2007 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60317-0-5:2007 E
ICS 29.060.10 Supersedes EN 60317-0-5:1994 + A1:1998 + A2:2000
English version
Specifications for particular types of winding wires Part 0-5: General requirements -
Glass-fibre braided resin or varnish impregnated,
bare or enamelled rectangular copper wire (IEC 60317-0-5:2006)
Spécifications pour types particuliers
de fils de bobinage
Partie 0-5: Prescriptions générales -
Fil de section rectangulaire en cuivre nu ou émaillé recouvert d'une tresse
de fibres de verre imprégnées
de résine ou de vernis (CEI 60317-0-5:2006)
Technische Lieferbedingungen
für bestimmte Typen von Wickeldrähten Teil 0-5: Allgemeine Anforderungen -
Flachdrähte aus Kupfer,
blank oder lackisoliert und umsponnen
mit Glasgewebe, imprägniert
mit Harz oder Lack (IEC 60317-0-5:2006)
This European Standard was approved by CENELEC on 2006-12-01. 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 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 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, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, 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.
SIST EN 60317-0-5:2007
EN 60317-0-5:2006
- 2 -
Foreword The text of document 55/993/CDV, future edition 2 of IEC 60317-0-5, prepared by IEC TC 55, Winding wires, was submitted to the IEC-CENELEC parallel Unique Acceptance Procedure and was approved by CENELEC as EN 60317-0-5 on 2006-12-01. This European Standard supersedes EN 60317-0-5:1994 + A1:1998 + A2:2000. The main changes from EN 60317-0-5:1994 are to the abbreviations used for the various glass fibre wound winding wires described in the scope of the standard, and provided in Tables 4 and 7. This standard is to be used in conjunction with the EN 60851 series. The clause numbers used in this part of EN 60317 are identical with the respective test numbers of EN 60851. In case of inconsistencies between EN 60851 and this part of EN 60317, the latter shall prevail. 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
(dop)
2007-09-01 – latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow)
2009-12-01 Annex ZA has been added by CENELEC. __________ Endorsement notice The text of the International Standard IEC 60317-0-5:2006 was approved by CENELEC as a European Standard without any modification. __________ SIST EN 60317-0-5:2007
- 3 - EN 60317-0-5:2006 Annex ZA
(normative)
Normative references to international publications with their corresponding European publications
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
When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies.
Publication Year Title EN/HD Year
IEC 60317-39 -1) Specifications for particular types of winding wires
Part 39: Glass-fibre braided, resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 180 EN 60317-39 19942)
IEC 60317-40 -1) Specifications for particular types of winding wires
Part 40: Glass-fibre braided, resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 200 EN 60317-40 19942)
IEC 60851 Series Methods of test for winding wires EN 60851 Series
ISO 3 -1) Preferred numbers - Series of preferred numbers - -
1) Undated reference. 2) Valid edition at date of issue. SIST EN 60317-0-5:2007
SIST EN 60317-0-5:2007
NORME INTERNATIONALECEIIEC INTERNATIONAL STANDARD 60317-0-5Deuxième éditionSecond edition2006-11 Spécifications pour types particuliers
de fils de bobinage – Partie 0-5: Prescriptions générales –
Fil de section rectangulaire en cuivre nu ou émaillé recouvert d’une tresse de fibres de
verre imprégnées de résine ou de vernis
Specifications for particular
types of winding wires – Part 0-5: General requirements – Glass-fibre braided, resin or varnish impregnated, bare or enamelled rectangular copper wire Pour prix, voir catalogue en vigueur For price, see current catalogue© IEC 2006
Droits de reproduction réservés
⎯
Copyright - all rights reserved Aucune partie de cette publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie et les microfilms, sans l'accord écrit de l'éditeur. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Electrotechnical Commission,
3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, SwitzerlandTelephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch
Web: www.iec.ch CODE PRIX PRICE CODE S Commission Electrotechnique InternationaleInternational Electrotechnical CommissionSIST EN 60317-0-5:2007
60317-0-5 © IEC:2006 – 3 –
CONTENTS FOREWORD.7 INTRODUCTION.11
1 Scope.13 2 Normative references.13 3 Definitions, general notes on methods of test and appearance.15 3.1 Definitions.15 3.2 General notes on methods of test.15 3.3 Appearance.17 4 Dimensions.17 4.1 Conductor dimensions.17 4.2 Tolerance on conductor dimensions.21 4.3 Rounding of corners.21 4.4 Increase in dimensions due to the insulation.21 4.5 Overall dimensions.23 5 Electrical resistance.23 6 Elongation.25 7 Springiness.25 8 Flexibility and adherence.25 8.1 Mandrel winding test.25 8.2 Adherence test.25 9 Heat shock.27 10 Cut-through.27 11 Resistance to abrasion.27 12 Resistance to solvents.27 13 Breakdown voltage.27 14 Continuity of insulation.27 15 Temperature index.27 16 Resistance to refrigerants.27 17 Solderability.29 18 Heat or solvent bonding.29 19 Dielectric dissipation factor.29 20 Resistance to transformer oil.29 21 Loss of mass.29 23 Pin hole test.29 30 Packaging.29
Annex A (informative)
Nominal cross-sectional areas for preferred and intermediate sizes.31
Table 1 – Nominal cross-sectional areas of preferred sizes.19 Table 2 – Conductor tolerances.21 Table 3 – Corner radii.21 SIST EN 60317-0-5:2007
60317-0-5 © IEC:2006 – 5 –
Table 4 – Increase in dimensions.23 Table 5 – Elongation.25 Table 6 – Mandrel diameters.25 Table 7 – Breakdown voltage.27 Table A.1 – Nominal cross-sectional areas.31
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INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________
SPECIFICATIONS FOR PARTICULAR TYPES
OF WINDING WIRES –
Part 0-5: General requirements – Glass-fibre braided, resin or varnish impregnated, bare or enamelled rectangular copper wire
FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60317-0-5 has been prepared by IEC technical committee 55: Winding wires.
This second edition cancels and replaces the first edition published in 1992 and constitutes a minor revision. The main changes from the previous edition are to the abbreviations used for the various glass fibre wound winding wires described in the scope of the standard, and provided in Tables 4 and 7.
SIST EN 60317-0-5:2007
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The text of this standard is based on the following documents: CDV Report on voting 55/993/CDV
55/1001/RVC
Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of the IEC 60317 series, under the general title Specifications for particular types of winding wires, can be found on the IEC website. This standard is to be read in conjunction with the IEC 60851 series. The clause numbers used in this part of IEC 60317 are identical with the respective test numbers of IEC 60851. In case of inconsistencies between IEC 60851 and this part of IEC 60317, the latter shall prevail. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in the data related to the specific publication. At this date, the publication will be
• reconfirmed; • withdrawn; • replaced by a revised edition, or • amended. SIST EN 60317-0-5:2007
60317-0-5 © IEC:2006 – 11 –
INTRODUCTION This part of IEC 60317 is one of a series, which deals with insulated wires used for windings in electrical equipment. The series has three groups describing: 1) methods of test (IEC 60851); 2) specifications (IEC 60317); 3) packaging (IEC 60264).
SIST EN 60317-0-5:2007
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SPECIFICATIONS FOR PARTICULAR TYPES
OF WINDING WIRES –
Part 0-5: General requirements – Glass-fibre braided, resin or varnish impregnated, bare or enamelled rectangular copper wire
1 Scope This part of IEC 60317 specifies general requirements of glass-fibre braided resin or varnish impregnated, bare or enamelled rectangular copper wire. The range of nominal conductor dimensions is given in the relevant specification sheet. When reference is made to a winding wire according to IEC 60317-39 or IEC 60317-40 mentioned under Clause 2, the following information is given in the description: – reference to IEC specification; – nominal conductor dimensions in millimetres (width × thickness); – grade of coating and glass covering. The coating shall be characterised by the following grades of thickness: -
BGL1, bare conductor with 1 braided layer of glass fibre -
BGL2, bare conductor with 2 braided layers of glass fibre -
grade 1 BGL1, enamelled grade 1 (grade 1) with 1 braided layer of glass fibre (BGL1) -
grade 1 BGL2, enamelled grade 1 (grade 1) with 2 braided layers of glass fibre (BGL2) -
grade 2 BGL1, enamelled grade 2 (grade 2) with 1 braided layer of glass fibre (BGL1) -
grade 2 BGL2, enamelled grade 2 (grade 2) with 2 braided layers of glass fibre (BGL2) 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. IEC 60317-39, Specifications for particular types of winding wires – Part 39: Glass-fibre braided resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 180 IEC 60317-40, Specifications for particular types of winding wires – Part 40: Glass-fibre braided resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 200 IEC 60851 (all parts), Methods of test for winding wires ISO 3, Preferred numbers – Series of preferred numbers SIST EN 60317-0-5:2007
60317-0-5 © IEC:2006 – 15 –
3 Definitions, general notes on methods of test and appearance For the purposes of this document, the following terms and definitions apply: 3.1 Definitions 3.1.1 coating material which is deposited on a conductor or wire by a suitable means and then dried and/or cured 3.1.2 conductor bare metal after removal of the insulation 3.1.3 covering material which is wound, wrapped or braided around a bare or insulated conductor 3.1.4 crack opening in the insulation which exposes the conductor to view at the stated magnification 3.1.5 enamelled wire wire coated with an insulation of cured resin 3.1.6 grade the range of thickness of the insulation of a wire 3.1.7 insulation coating or covering on the conductor with the specific function of withstanding voltage 3.1.8 nominal conductor dimension designation of the conductor size in accordance with IEC 60317 3.1.9 normal vision 20/20 vision, with corrective lenses, if necessary 3.1.10 winding wire wire used for winding a coil to provide a magnetic field 3.1.11 wire conductor coated or covered with an insulation 3.2 General notes on methods of test All methods of test to be used for this part of IEC 60317 are given in IEC 60851.
Where no specific range of nominal conductor dimensions is given for a test, the test applies to all nominal conductor dimensions covered by the specification sheet.
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Unless otherwise specified, all tests shall be carried out at a temperature from 15 °C to 35 °C and a relative humidity from 45 % to 75 %. Before measurements are made, the specimens shall be preconditioned under these atmospheric conditions for a time sufficient to allow the specimens to reach stability.
The wire to be tested shall be removed from the packaging in such a way that the wire will not be subjected to tension or unnecessary bends. Before each test, sufficient wire should be discarded to ensure that any damaged wire is not included in the test specimens. 3.3 Appearance The fibrous covering shall be continuous, and essentially free from blisters and foreign material when examined with normal vision, as wound on the original spool or reel. 4 Dimensions 4.1 Conductor dimensions The dimensions for widths and thicknesses of conductors of winding wires with rectangular cross-section recommended in this standard are taken from the R 20 and R 40 series according to ISO 3.
Preferred sizes are combinations of width and thickness both according to the R 20 series. Intermediate sizes are combinations of width or thickness according to the R 20 series with the other dimension according to the R 40 series.
This section covers – widths from 2,00 mm up to and including 16,00 mm; – thicknesses from 0,80 mm up to and including 5,60 mm. For thickness over 5,60 mm up to and including 10 mm and for widths over 16 mm up to and including 25 mm where, for technical reasons, additional sizes may be needed, the R 40 series shall be used. The ratio width/thickness shall be within the specified limits, and combinations of R 40 and R 40 are not allowed in the case of additional sizes. The ratio width/thickness shall be greater than or equal to 1,4:1 and shall not exceed 8:1.
The actual values of dimensions are given in Table 11. The nominal cross-sectional areas for preferred sizes are given in Table 1 and the nominal cross-sectional areas for intermediate sizes are given in Annex A. ————————— 1 Dimensions according to R 20 series are printed in larger type. SIST EN 60317-0-5:2007
60317-0-5 © IEC:2006 – 19 – Table 1 – Nominal cross-sectional areas of preferred sizes
Thickness
mm 0,800,850,900,95 1,00 1,06 1,12 1,181,251,321,401,501,601,701,801,902,002,122,242,36 2,50 2,652,803,003,153,353,553,754,004,254,504,755,005,305,60
Corner radius * Corner radius 0,5 mm Corner radius 0,65 mm Corner radius 0,8 mm Corner radius 1,0 mm
2,00 1,463 1,626 1,785
2,025
2,285 2,585
2,12
—— ——
——
——
—— ——
2,24 1,655 1,842 2,025
2,294
2,585 2,921 3,369
2,36
—— ——
——
——
—— —— ——
2,50 1,863 2,076 2,285
2,585
2,910 3,285 3,785 4,137
2,65
—— ——
——
——
—— —— —— ——
2,80 2,103 2,346 2,585
2,921
3,285 3,705 4,265 4,677 5,237
3,00
—— ——
——
——
—— —— —— —— ——
3,15 2,383 2,661 2,935
3,313
3,723 4,195 4,825 5,307 5,937 6,693
3,35
—— ——
——
——
—— —— —— —— —— ——
3,55 2,703 3,021 3,335
3,761
4,223 4,755 5,465 6,027 6,737 7,589 8,326
3,75
—— ——
——
——
—— —— —— —— —— ——
——
4,00 3,063 3,426 3,785
4,265
4,785 5,385 6,185 6,837 7,637 8,597 9.451
10,65
4,25
—— ——
——
——
—— —— —— —— —— ——
—— ——
4,50 3,463 3,876 4,285
4,825
5,410 6,085 6,985 7,737 8,637 9,717 10,70
12,05 13,63
4,75
—— ——
——
——
—— —— —— —— —— ——
—— —— ——
5,00 3,863 4,326 4,785
5,385
6,035 6,785 7,785 8,637 9,637 10,84 11,95
13,45 15,20 17,20
5,30
—— ——
——
——
—— —— —— —— —— ——
—— —— —— ——
5,60 4,343 4,866 5,385
6,057
6,785 7,625 8,745 9,717 10,84 12,18 13,45
15,13 17,09 19,33 21,54
6,00
—— ——
——
——
—— —— —— —— —— ——
—— —— —— —— ——
6,30 4,903 5,496 6,085
6,841
7,660 8,605 9,865 10,98 12,24 13,75 15,20
17,09 19,30 21,82 24,34 27,49
6,70
—— ——
——
——
—— —— —— —— —— ——
—— —— —— —— —— ——
7,10
6,216 6,885
7,737
8,660 9,725 11,15 12,42 13,84 15,54 17,20
19,33 21,82 24,66 27,54 31,09 34,64
7,50
——
——
——
—— —— —— —— —— ——
—— —— —— —— —— —— ——
8,00
7,785
8,745
9,785 10,99 12,59 14,04 15,64 17,56 19,45
21,85 24,65 27,85 31,14 35,14 39,14 43,94 8,50
——
——
—— —— —— —— —— ——
—— —— —— —— —— —— ——
9,00
9,865
11,04 12,39 14,19 15,84 17,64 19,80 21,95
24,65 27,80 31,40 35,14 39,64 44,14 49,54 9,50
—— —— —— —— —— —— ——
—— —— —— —— —— —— ——
10,0
12,29 13,79 15,79 17,64 19,64 22,04 24,45
27,45 30,95 34,95 39,14 44,14 49,14 55,14 10,6
—— —— —— —— —— ——
—— —— —— —— —— —— ——
11,2
15,47 17,71 19,80 22,04 24,73 27,45
30,81 34,73 39,21 43,94 49,54 55,14 61,86 11,8
—— —— —— —— ——
—— —— —— —— —— —— ——
12,5
19,79 22,14 24,64 27,64 30,81
34,45 38,83 43,83 49,14 55,39 61,64 69,14 13,2
—— —— —— ——
—— —— —— —— —— —— ——
14,0
24,84 27,64 31,00 34,45
38,65 43,55 49,15 55,14 62,14 69,14 77,54 15,0
—— —— ——
—— —— —— —— —— —— ——
16,0
31,64 35,48 39,45
44,25 49,85 56,25 63,14 71,14 79,14 88,74 ————————— * 0.5 nominal thickness Width
Figure from R 40 series
Figure from R 20 series
Preferred size
R 20 x R 20
Nominal cross-section
area (mm²)
Intermediate size
R 20 x R 40, R 40 x R 20
Nominal cross-section
(See Annex A)
Dimensions not recommended R 40 x R 40Not recommended Ratio width/thickness over 8:1 0,95 1,00 Not recommended Ratio width/thickness smaller than 1,4:1
--- SIST EN 60317-0-5:2007
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4.2 Tolerance on conductor dimensions The conductor dimensions shall not differ from the nominal values by more than the tolerance given in Table 2.
Table 2 – Conductor tolerances Nominal width or thickness of the conductor mm Over Up to and including Tolerance ± mm
– 3,15 6,30 12,50 3,15 6,30 12,50 16,00 0,030 0,050 0,070 0,100
4.3 Rounding of corners
The arc shall merge smoothly into the flat surfaces of the conductor and the strip shall be free from sharp, rough and projecting edges. The conductor shall have radiused corners complying with Table 3. The specified radii shall be maintained within ±25 %. Table 3 – Corner radii Nominal thickness of conductor mm Over Up to and including Corner radius mm –
1,00 1,60 2,24 3,55 1,00
1,60 2,24 3,55 5,60 0,5 nominal
thickness 0,50 a 0,65 b 0,80 1,00 a
If agreed between purchaser and supplier, the corner radii for wires with a width greater than 4,8 mm may be 0,5 nominal thickness. b If agreed between purchaser and supplier, the corner radii for wires with a width greater than 4,8 mm may be 0,8 mm.
4.4 Increase in dimensions due to the insulation In exceptional circumstances based on equipment design, the maximum increase in dimensions may be exceeded as agreed between purchaser and supplier. The increase in width or thickness due to the insulation shall not exceed the maximum increase given in Table 4.
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Table 4 – Increase in dimensions Increase in dimensions mm Glass-fibre braiding over bare conductor Glass-fibre braiding over grade 1 enamelled wire Glass-fibre braiding over grade 2 enamelled wire
Nominal width of the conductor mm BGL1 BGL2 Grade 1 BGL1 Grade 1 BGL2 Grade 2 BGL1 Grade 2 BGL2
Over Up to and including
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max. – 3,15 0,23 0,30 0,31 0,42 0,29 0,41 0,42 0,53 0,34 0,46 0,47 0,58 3,15 6,30 0,24 0,32 0,33 0,47 0,30 0,43 0,44 0,58 0,35 0,48 0,49 0,63 6,30 12,50 0,26 0,38 0,39 0,50 0,32 0,49 0,50 0,61 0,37 0,54 0,55 0,66 12,50 16,00 0,28 0,42 0,43 0,54 0,34 0,53 0,54 0,65 0,39 0,58 0,59 0,70 The increase in width due to the glass-fibre covering shall be equal to or less than the maximum increase in thickness given in this table. The note below applies to the increase in width as well as the increase in thickness. NOTE The maximum increase due to the glass-fibre covering may be exceeded, provided the overall dimension of the braided wire does not exceed the sum of the maximum thickness of the bare wire plus the maximum increase due to the specified grade of enamel and the glass-fibre covering.
4.5 Overall dimensions 4.5.1 Minimum overall dimensions The minimum overall dimensions shall be calculated as the sum of the minimum bare conductor and the minimum increase in dimension due to the insulation. 4.5.2 Maximum overall dimensions The maximum overall dimensions shall be calculated as the sum of the maximum bare conductor and the maximum increase in dimension due to the insulation. 5 Electrical resistance The resistance of the wire shall be expressed as the d.c. resistance at 20 °C. The method used shall provide an accuracy of 0,5 %. The maximum value of resistance shall be not greater than the value calculated for the mi
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