CLC/TC 55 - Winding wires

IEC 60317-0-3:2024 is available as IEC 60317-0-3:2024 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60317-0-3:2024 specifies the general requirements of enamelled round aluminium winding wires with or without a bonding layer. The range of nominal conductor diameters is given in the relevant specification sheet. This edition includes the following significant technical changes with respect to the previous edition: a) Revision to Clause 7, designating the test as inappropriate; b) Revision to Clause 10, designating the test as inappropriate.

IEC 60851-3:2023 is available as IEC 60851-3:2023 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60851-3: 2023 specifies the following test methods for winding wires: - Test 6: Elongation; - Test 7: Springiness; - Test 8: Flexibility and adherence; - Test 11: Resistance to abrasion; - Test 18: Heat bonding. For definitions, general notes on test methods and the complete series of test methods for winding wires, IEC 60851-1 applies. This document also provides recommended friction test methods in Annex B. This fourth edition cancels and replaces the third edition published in 2009, Amendment 1:2013 and Amendment 2:2019. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Clarification of the distance measurement for determining loss of adhesion in 6.6.3, 6.6.4 for fibre-covered wires and 6.6.5 for tape-wrapped wires.

IEC 60317-93: 2023 specifies the requirements of enamelled rectangular copper winding wire of class 220 with a dual coating. The underlying coating is based on polyester or polyesterimide resin, which be modified providing 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 dimensions covered by this standard is: width: min. 2,0 mm max. 25,0 mm; thickness: min. 0,80 mm max. 10,0 mm. Wires of grade 1 and grade 2 are included in this specification and apply to the complete range of conductors. The specified combinations of width and thickness as well as the specified width/thickness ratio are given in IEC 60317-0-2. This International Standard is to be used in conjunction with IEC 60317-0-2:2020.

IEC 60317-89:2023 specifies the requirements of enamelled round aluminium winding wire of class 200 with a sole coating based on polyesterimide resin, which can be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements. 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 standard is as follows: grade 1: 0,250 mm up to and including 1,600 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 International Standard is to be used in conjunction with IEC 60317-0-3:2008, its Amendment 1 (2013) and its Amendment 2 (2019).

IEC 60317-27-3:2019 specifies the requirements of paper tape covered rectangular copper winding wires. This covering consists of two or more layers of paper tape and is primarily intended for winding coils for oil immersed transformers. The range of nominal conductor dimensions covered by this document is - width: min. 2,0 mm max. 31,5 mm; - thickness: min. 0,80 mm max. 10,0 mm. The paper tapes included in this document are restricted to those specified in IEC 60554-1 and IEC 60554-3-5. Keywords: paper tape covered rectangular copper winding wires

This part of IEC 60851 specifies the following tests: - Test 5: Electrical resistance; - Test 13: Breakdown voltage; - Test 14: Continuity of insulation; - Test 19: Dielectric dissipation factor; - Test 23: Pin hole. For definitions, general notes on methods of test and the complete series of methods of test for winding wires, see IEC 60851-1.

This part of IEC 60851 specifies the following methods of test for winding wires:
– Test 6: Elongation;
– Test 7: Springiness;
– Test 8: Flexibility and adherence;
– Test 11: Resistance to abrasion;
– Test 18: Heat bonding.
For definitions, general notes on methods of test and the complete series of methods of test for winding wires, see IEC 60851-1.

IEC 60317-80: 2019 specifies the requirements of enamelled rectangular copper winding wire of class 120 with a dual coating. The underlying coating is based on polyvinyl acetal resin, which can be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements. The second coating is a bonding layer based on a thermoplastic or thermosetting 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 dimensions covered by this document is: width: min. 2,00 mm max. 16,00 mm; thickness: min. 0,80 mm max. 5,60 mm. Wires of grade 1 and grade 2 are included in this specification and apply to the complete range of conductors. The specified combinations of nominal width and thickness as well as the specified ratio width/thickness are given in IEC 60317-0-2:2019. Keywords: insulated wires used for windings

This part of IEC 60317 specifies the general requirements of enamelled round aluminium winding wires with or without a bonding layer. The range of nominal conductor diameters is given in the relevant specification sheet. When reference is made to a winding wire according to a standard of the IEC 60317 series mentioned under Clause 2, the following information is given in the description: - reference to IEC specification; - nominal conductor diameter, in millimetres; - grade.

IEC 60317-0-8:2019 is available as IEC 60317-0-8:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60317-0-8:2019 specifies the general requirements of polyester glass-fibre wound fused, unvarnished, or resin or varnish impregnated bare, or grade 1 or grade 2 or enamelled rectangular copper winding wires. The range of nominal conductor dimensions is given in 4.1 and in the relevant specification sheet. This second edition cancels and replaces the first edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - revision to the title of the standard indicating that the glass fibre covering is fused and unvarnished; - revision to subclause 3.2 adding winding wire requirements for the fibrous covering and a list of covering classifications; - revision to subclause 3.3 requirements for appearance; - revision to subclause 8.2, adherence test requirements. Keywords: insulated wires used for windings in electrical equipment

This part of IEC 60317 specifies the requirements of solderable enamelled round copper winding wire of class 155 with a sole coating based on polyurethane resin, which may be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements. 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 standard is:
– Grade 1: 0,018 mm up to and including 0,800 mm;
– Grade 2: 0,020 mm up to and including 0,800 mm.
The nominal conductor diameters are specified in Clause 4 of IEC 60317-0-1:2013.

This part of IEC 60317 specifies the requirements of solderable enamelled round copper winding wire of class 180 with a sole coating based on polyesterimide resin, which may be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements. 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 standard is:
– Grade 1: 0,020 mm up to and including 1,600 mm;
– Grade 2: 0,020 mm up to and including 1,600 mm.
The nominal conductor diameters are specified in Clause 4 of IEC 60317-0-1:2013.

IEC 60317-84:2021 specifies the requirements of enamelled round copper winding wires of class 200 with a sole coating based on polyesterimide resin, which may be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements. 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 as follows:  
Grade 1: 0,018 mm up to and including 3,150 mm;
Grade 2: 0,020 mm up to and including 5,000 mm;
Grade 3: 0,0250 mm up to and including 1,600 mm.  The nominal conductor diameters are specified in Clause 4 of IEC 60317-0-1:2013.

IEC 60851-1:2021 specifies the general notes on methods of test for winding wires. It also gives the definitions for terms used in IEC 60851 (all parts). A survey of the contents of IEC 60851-2 to IEC 60851-6 is given in Annex A. This third edition cancels and replaces the second edition published in 1996, and its amendment 1:2003 and amendment 2:2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
revision to Clause 2 to update the list of normative references;
revision to 3.2 atmospheric conditions for testing;
addition to 3.2 with remarks concerning frequency and management of tests;
revision to Annex A to update the contents list of IEC 60851 series of tests.

IEC 60317-74:2018 specifies the requirements of enamelled rectangular aluminium winding wire of class 180 with a sole coating based on polyesterimide resin, which can be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements. 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 dimensions covered by this standard is: - width: min. 2,0 mm - max. 16,0 mm; - thickness: min. 0,80 mm - max. 5,60 mm. Wires of grade 1 and grade 2 are included in this specification and apply to the complete range of conductors. The specified combinations of width and thickness as well as the specified width/thickness ratio are given in IEC 60317-0-9:2015. Keywords: insulated wires used for windings

IEC 60317-73:2018 specifies the requirements of enamelled rectangular aluminium winding wire of class 200 with a dual coating. The underlying coating is based on polyester or polyesterimide resin, which can be modified providing 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 dimensions covered by this standard is: - width: min. 2,0 mm - max. 16,0 mm; - thickness: min. 0,80 mm - max. 5,60 mm. Wires of grade 1 and grade 2 are included in this specification and apply to the complete range of conductors. The specified combinations of width and thickness as well as the specified width/thickness ratio are given in IEC 60317-0-9:2015. Keywords: insulated wires used for windings

IEC 60172:2020 is available as IEC 60172:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60172:2020 specifies, in accordance with the provisions of IEC 60216-1, a method for evaluating the temperature index of enamelled wire, varnished or unvarnished with an impregnating agent, and of tape wrapped round and rectangular wire, in air at atmospheric pressure by periodically monitoring changes in response to AC proof voltage tests. This procedure does not apply to fibre-insulated wire or wire covered with tapes containing inorganic fibres. NOTE The data obtained according to this test procedure provide the designer and development engineer with information for the selection of winding wire for further evaluation of insulation systems and equipment tests. This fifth edition cancels and replaces the fourth edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - revision of 3.1, definition of thermal index; - revision of 3.3, time to failure; - revisions to 5.1.1 for clarity and to reduce the range wire size range to which the test applies; - revisions to 5.1.2 for tape wrapped round and enamelled or tape wrapped rectangular wire for clarity; - revision to Clause 9 to add the correlation coefficient, r to the report.

IEC 60317-0-7:2017 establishes general requirements for fully insulated (FIW) zero-defect enamelled round copper wires. The nominal conductor diameter range is given in the relevant technical specification. This second edition cancels and replaces the first edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - reduction in the number of grades of FIW from 3 through 9 to 4, 6 and 8 only; - reduction of the wire diameter range from (0,040 to 1,000) mm to (0,090 to 0,900) mm for several requirements; - revision of Clause 5 to delete the Table 2 resistance requirements; - revision of Clause 13 to clarify that breakdown is determined when a calculated minimum test voltage is reached, which can be less than 10 000 V; - expansion of Annex A to include requirements for FIW 3, 5, 7 and 9 and for all grades, wire diameters below 0,090 mm and above 0,900 mm. Keywords: insulated wires used for windings