IEC 60317-25:2020 

Specifications for particular types of winding wires - Part 25: Polyester or polyesterimide overcoated with polyamide-imide enamelled round aluminium wire, class 200

Note: a redline version of this publication exists
IEC 60317-25:2020 RLV


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IEC 60317-25:2020 is available as IEC 60317-25:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 60317-25:2020 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 can be modified provided it retains the chemical identity of the original resin and meets all specified wire requirements. The superimposed coating is based on polyamide-imide resin.
NOTE A modified resin is a resin that has undergone a chemical change, or contains one or more additives to enhance certain performance or application characteristics.
The range of nominal conductor diameters covered by this document is:
- Grade 1: 0,250 mm up to and including 3,150 mm;
- Grade 2: 0,250 mm up to and including 5,000 mm.
The nominal conductor diameters are specified in Clause 4 of IEC 60317-0-3:2008 and IEC 60317-0-3:2008/AMD1:2013. 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:
- new 3.2.2 containing general notes on winding wire, formerly a part of the Scope;
- revision to Clause 11 to take into account intermediate nominal conductor diameters;
- revision to Clause 7 to indicate that the springiness test is inappropriate.
- revision to Clause 16 to specify only the percentage of extractable matter and the minimum retained dielectric breakdown voltage.

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Additional information

Publication typeInternational Standard
Publication date2020-06-09
Available language(s)English/French, Spanish
TC/SCTC 55 - Winding wiresrss
ICS29.060.10 - Wires
Stability date  2025
File size994 KB

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