IEC 60317-57:2010
(Main)Specifications for particular types of winding wires - Part 57: Polyamide-imide enameled round copper wire, class 220
Specifications for particular types of winding wires - Part 57: Polyamide-imide enameled round copper wire, class 220
IEC 60317-57:2010 specifies the requirements of an enamelled round copper winding wire of class 220 with a sole coating based on polyamide-imide resin, which may be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements. Class 220 is a thermal class that requires a minimum temperature index of 220 and a heat shock temperature of at least 240 °C.
This publication is to be read in conjunction with IEC 60317-0-1:2008.
Spécifications pour types particuliers de fils de bobinage - Partie 57: Fil de section circulaire en cuivre émaillé avec polyamide-imide, classe 220
La CEI 60317-57:2010 spécifie les exigences pour les fils de bobinage de section circulaire en cuivre émaillé de classe 220 avec un revêtement unique à base de résine polyamide-imide, qui peut être modifiée à condition qu'elle conserve l'identité chimique de la résine initiale et réponde à toutes les exigences spécifiées du fil. Une classe 220 est une classe thermique qui exige un indice de température minimal de 220 et une température de choc thermique d'au moins 240 °C.
Cette publication doit être lue conjointement avec la CEI 60317-0-1:2008.
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IEC 60317-57 ®
Edition 1.1 2024-06
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
colour
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Specifications for particular types of winding wires –
Part 57: Polyamide-imide enamelled round copper wire, class 220
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IEC 60317-57 ®
Edition 1.1 2024-06
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
colour
inside
Specifications for particular types of winding wires –
Part 57: Polyamide-imide enamelled round copper wire, class 220
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.060.10 ISBN 978-2-8322-9235-8
REDLINE VERSION – 2 – IEC 60317-57:2010+AMD1:2024 CSV
© IEC 2024
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Definitions, general notes on methods of test and appearance .
3 Terms, definitions, general notes and appearance . 7
3.1 Terms and definitions . 7
3.2 General notes. 7
3.2.1 Methods of test . 7
3.2.2 Winding wire . 7
3.3 Appearance . 7
4 Dimensions . 7
5 Electrical resistance . 7
6 Elongation . 7
7 Springiness . 7
8 Flexibility and adherence . 7
9 Heat shock . 8
10 Cut-through . 8
11 Resistance to abrasion . 8
12 Resistance to solvents . 8
13 Breakdown voltage . 8
14 Continuity of insulation . 8
15 Temperature index . 9
16 Resistance to refrigerants . 9
17 Solderability . 9
18 Heat bonding . 9
19 Dielectric dissipation factor . 9
20 Resistance to transformer oil . 9
21 Loss of mass . 9
22 High temperature failure . 9
23 Pin hole test . 9
30 Packaging . 9
Table 1 – Resistance to abrasion . 8
© IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES –
Part 57: Polyamide-imide enamelled round copper wire, class 220
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
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2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
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3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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This consolidated version of the official IEC Standard and its amendment has been
prepared for user convenience.
IEC 60317-57 edition 1.1 contains the first edition (2010-08) [documents 55/1137/CDV
and 55/1167A/RVC] and its amendment 1 (2024-06) [documents 55/1995/CDV and
55/2031/RVC].
In this Redline version, a vertical line in the margin shows where the technical content
is modified by amendment 1. Additions are in green text, deletions are in strikethrough
red text. A separate Final version with all changes accepted is available in this
publication.
REDLINE VERSION – 4 – IEC 60317-57:2010+AMD1:2024 CSV
© IEC 2024
International Standard IEC 60317-57 has been prepared by IEC technical committee 55:
Winding wires.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
This standard is to be read in conjunction with IEC 60317-0-1 (2008):2013 and its
Amendment 1:2019.
The numbering of clauses in this standard is not continuous from Clauses 23 to 30 in order to
reserve space for possible future wire requirements prior to those for wire packaging.
A list of all the parts in the IEC 60317 series, under the general title Specifications for
particular types of winding wires, can be found on the IEC website.
The committee has decided that the contents of this document and its amendment will remain
unchanged until the stability date indicated on the IEC website under webstore.iec.ch in the
data related to the specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
© IEC 2024
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) test methods (IEC 60851);
2) specifications for particular types of winding wire (IEC 60317);
3) packaging of winding wires (IEC 60264).
REDLINE VERSION – 6 – IEC 60317-57:2010+AMD1:2024 CSV
© IEC 2024
SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES –
Part 57: Polyamide-imide enamelled round copper wire, class 220
1 Scope
This part of IEC 60317 specifies the requirements of an enamelled round copper winding wire
of class 220 with a sole coating based on polyamide-imide resin, which may be modified
providing it retains the chemical identity of the original resin and meets all specified wire
requirements.
Class 220 is a thermal class that requires a minimum temperature index of 220 and a heat
shock temperature of at least 240 ºC.
The temperature in degrees Celsius corresponding to the temperature index is not necessarily
that at which it is recommended that the wire be operated and this will depend on many
factors, including the type of equipment involved.
The range of nominal conductor diameters covered by this s
...
IEC 60317-57 ®
Edition 1.0 2010-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Specifications for particular types of winding wires –
Part 57: Polyamide-imide enamelled round copper wire, class 220
Spécifications pour types particuliers de fils de bobinage –
Partie 57: Fil de section circulaire en cuivre émaillé avec polyamide-imide,
classe 220
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by
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About the IEC
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International Standards for all electrical, electronic and related technologies.
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60317-57 ®
Edition 1.0 2010-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Specifications for particular types of winding wires –
Part 57: Polyamide-imide enamelled round copper wire, class 220
Spécifications pour types particuliers de fils de bobinage –
Partie 57: Fil de section circulaire en cuivre émaillé avec polyamide-imide,
classe 220
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
J
CODE PRIX
ICS 29.60.10 ISBN 978-2-88912-142-7
– 2 – 60317-57 © IEC:2010
CONTENTS
FOREWORD.3
INTRODUCTION.5
1 Scope.6
2 Normative references .6
3 Definitions, general notes on methods of test and appearance .6
3.1 Definitions and general notes on methods of test .6
3.2 Appearance.6
4 Dimensions .6
5 Electrical resistance .7
6 Elongation .7
7 Springiness .7
8 Flexibility and adherence.7
9 Heat shock .7
10 Cut-through .7
11 Resistance to abrasion .7
12 Resistance to solvents.8
13 Breakdown voltage .8
14 Continuity of insulation .8
15 Temperature index .8
16 Resistance to refrigerants.8
17 Solderability .8
18 Heat bonding.9
19 Dielectric dissipation factor.9
20 Resistance to transformer oil .9
21 Loss of mass .9
22 High temperature failure .9
23 Pin hole test .9
30 Packaging .9
Table 1 – Resistance to abrasion.8
60317-57 © IEC:2010 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SPECIFICATIONS FOR PARTICULAR TYPES
OF WINDING WIRES –
Part 57: Polyamide-imide enamelled round
copper wire, class 220
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 itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
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 60317-57 has been prepared by IEC technical committee 55:
Winding wires.
The text of this standard is based on the following documents:
CDV Report on voting
55/1137/CDV 55/1167A/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.
This standard is to be read in conjunction with IEC 60317-0-1 (2008).
– 4 – 60317-57 © IEC:2010
The numbering of clauses in this standard is not continuous from Clauses 23 to 30 in order to
reserve space for possible future wire requirements prior to those for wire packaging.
A list of all the parts in the IEC 60317 series, under the general title Specifications for
particular types of winding wires, can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the stability 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.
60317-57 © IEC:2010 – 5 –
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) test methods (IEC 60851);
2) specifications for particular types of winding wire (IEC 60317);
3) packaging of winding wires (IEC 60264).
– 6 – 60317-57 © IEC:2010
SPECIFICATIONS FOR PARTICULAR TYPES
OF WINDING WIRES –
Part 57: Polyamide-imide enamelled round
copper wire, class 220
1 Scope
This part of IEC 60317 specifies the requirements of an enamelled round copper winding wire
of class 220 with a
...
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