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IEC 60317-25
Edition 4.0 2020-06
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Specifications for particular types of winding wires –
Part 25: Polyester or polyesterimide overcoated with polyamide-imide enamelled
round aluminium wire, class 200
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IEC 60317-25
Edition 4.0 2020-06
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Specifications for particular types of winding wires –
Part 25: Polyester or polyesterimide overcoated with polyamide-imide
enamelled round aluminium wire, class 200
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.060.10 ISBN 978-2-8322-8511-4
– 2 – IEC 60317-25:2020 RLV © IEC 2020
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions and, general notes on methods of test and appearance . 7
3.1 Terms and definitions . 7
3.2 General notes on methods of test . 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 . 8
8 Flexibility and adherence . 8
9 Heat shock . 8
10 Cut-through . 8
11 Resistance to abrasion (nominal conductor diameters up to and including
2,500 mm) . 8
12 Resistance to solvents . 9
13 Breakdown voltage . 9
14 Continuity of insulation . 9
15 Temperature index . 9
16 Resistance to refrigerants . 10
17 Solderability . 10
18 Heat or solvent bonding . 10
19 Dielectric dissipation factor . 10
20 Resistance to transformer oil . 10
21 Loss of mass . 10
23 Pin hole test . 10
30 Packaging . 10
Bibliography . 11
Table 1 – Resistance to abrasion . 9
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES –
Part 25: Polyester or polyesterimide overcoated with polyamide-imide
enamelled round aluminium wire, class 200
FOREWORD
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This redline version of the official IEC Standard allows the user to identify the changes
made to the previous edition. A vertical bar appears in the margin wherever a change
has been made. Additions are in green text, deletions are in strikethrough red text.
– 4 – IEC 60317-25:2020 RLV © IEC 2020
International Standard IEC 60317-25 has been prepared by IEC technical committee 55:
Winding wires.
This fourth edition cancels and replaces the third edition published in 2010. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) new 3.2.2 containing general notes on winding wire, formerly a part of the Scope;
b) revision to Clause 11 to take into account intermediate nominal conductor diameters;
c) revision to Clause 7 to indicate that the springiness test is inappropriate.
d) revision to Clause 16 to specify only the percentage of extractable matter and the
minimum retained dielectric breakdown voltage.
The text of this International Standard is based on the following documents:
FDIS Report on voting
55/1840/FDIS 55/1857/RVD
Full information on the voting for the approval of this document can be found in the report on
voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
This International Standard is to be used in conjunction with IEC 60317-0-3:2008,
Amendment 1:2013 and Amendment 2:2019.
A list of all parts in the IEC 60317 series, published under the general title Specifications for
particular types of winding wires, can be found on the IEC website.
The numbering of clauses in this standard is not continuous from Clauses 21 through 30 in
order to reserve space for possible future wire requirements prior to those for wire packaging.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
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.
INTRODUCTION
This Part of IEC 60317 forms an element of a series of standards which deals with insulated
wires used for windings in electrical equipment. It is composed of the following series:
1) Winding wires – Test methods (IEC 60851 series);
2) Specifications for particular types of winding wires (IEC 60317 series);
3) Packaging of winding wires (IEC 60264 series).
– 6 – IEC 60317-25:2020 RLV © IEC 2020
SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES –
Part 25: Polyester or polyesterimide overcoated with polyamide-imide
enamelled round aluminium wire, class 200
1 Scope
This part of IEC 60317 specifies the requirements of enamelled round aluminium winding
wires of class 200 with a dual coating. The underlying coating is based on polyester or
polyesterimide resin, which may can be modified provided it retains the chemical identity of
the original resin and meets all specified wire requirements. The su
...