IEC 60317-71:2020 PDF

Specifications for particular types of winding wires - Part 71: Polyester glass-fibre wound and resin or varnish impregnated, bare or enamelled round copper wire, temperature index 180

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Title (English):

IEC 60317-71:2020

Specifications for particular types of winding wires - Part 71: Polyester glass-fibre wound and resin or varnish impregnated, bare or enamelled round copper wire, temperature index 180

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 30
Publication date:: April 23, 2020
Edition:: IEC IS 60317 edition 2 version 1
ICS:: 29.060.10

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Description (English):

IEC 60317-71:2020 specifies the requirements of polyester glass-fibre wound resin/varnish impregnated, bare, grade 1 or grade 2 enamelled round copper winding wire, temperature index 180. NOTE For this type of wire, the heat shock test is inappropriate and therefore a heat shock temperature cannot be established. Consequently, a class based on the requirements for temperature index and heat shock temperature cannot be specified. The nominal conductor diameters are specified in IEC 60317-0-10:2017, Clause 4. This second edition cancels and replaces the first edition published in 2017. The document 55/1767/CDV, circulated to the National Committees as Amendment 1, led to the publication of this new edition. This edition includes the following significant technical changes with respect to the previous edition: - modification of the title; - revision to the Scope; - revision to 3.2.2.

Technical details

Technical committee: TC 55 - Winding wires
SKU: IEC 60317-71:2020

Abstract

Overview

IEC 60317-71:2020 defines specifications for a particular class of winding wire: polyester glass‑fibre wound, resin- or varnish‑impregnated, bare or enamelled round copper wire with a temperature index 180. This second edition (2020) updates the 2017 edition, revising the title, scope and key material requirements (notably subclause 3.2.2). Nominal conductor diameters refer to IEC 60317-0-10:2017, Clause 4. Important practical note: for this wire type the heat‑shock test is considered inappropriate, so a conventional class combining temperature index and heat‑shock temperature is not specified.

Key topics and technical requirements

Wire construction
- Polyester + electrical‑grade continuous‑filament glass yarn fibre covering.
- Polyester fibre is high‑grade PET (polyethylene terephthalate) from linear polymerization; maximum polyester content by weight ≤ 50% of yarn.
- Impregnating agents may include epoxy, polyester, or polyesterimide resins.
Grades and coating options
- PG1: one layer of polyester glass fibre (or two finer layers meeting dimensional requirements).
- PG2: two layers of polyester glass fibre.
- Enamel grades: grade 1 or grade 2 enamel over PG1/PG2 constructions (e.g., grade 1 PG1, grade 2 PG2).
Temperature and performance
- Temperature index 180 for enamel and impregnating agents is required or agreed between purchaser and supplier.
- Heat‑shock and many mechanical/chemical tests (cut‑through, abrasion, solvents, continuity of insulation, etc.) are listed as inappropriate for this wire type in this standard.
Referenced test methods and clauses
- Where applicable, requirements and test methods defer to IEC 60317-0-10:2017 and IEC 60851 series (winding wire test methods).
- Clause 30 (packaging) of IEC 60317-0-10 applies.

Applications and users

Who uses this standard
- Manufacturers and suppliers of enamelled and bare copper winding wire.
- Designers of motors, transformers, inductors, solenoids and other electromagnetic windings requiring high thermal endurance (temperature index 180).
- Procurement and quality‑assurance teams specifying wire construction, impregnation and thermal properties.
- Test laboratories and compliance engineers referencing correct test methods and limitations for this wire type.
Practical value
- Ensures consistent material composition (polyester/glass balance), impregnation compatibility and thermal index for reliable winding insulation in high‑temperature service.
- Guides selection of enamel grade and fibre layering (PG1/PG2) for mechanical protection and electrical insulation performance.

Related standards

IEC 60317-0-10:2017 - General requirements and nominal diameters for polyester glass‑fibre wound wires
IEC 60851 (all parts) - Winding wires - Test methods
IEC 60264 (all parts) - Packaging of winding wires

Keywords: IEC 60317-71, polyester glass-fibre wound, winding wire, temperature index 180, enamelled copper wire, resin impregnated, PG1, PG2, winding wire specifications.

Related standards

Standards mentioned in the description

Abstract

Overview

Key topics and technical requirements

Wire construction
- Polyester + electrical‑grade continuous‑filament glass yarn fibre covering.
- Polyester fibre is high‑grade PET (polyethylene terephthalate) from linear polymerization; maximum polyester content by weight ≤ 50% of yarn.
- Impregnating agents may include epoxy, polyester, or polyesterimide resins.
Grades and coating options
- PG1: one layer of polyester glass fibre (or two finer layers meeting dimensional requirements).
- PG2: two layers of polyester glass fibre.
- Enamel grades: grade 1 or grade 2 enamel over PG1/PG2 constructions (e.g., grade 1 PG1, grade 2 PG2).
Temperature and performance
- Temperature index 180 for enamel and impregnating agents is required or agreed between purchaser and supplier.
- Heat‑shock and many mechanical/chemical tests (cut‑through, abrasion, solvents, continuity of insulation, etc.) are listed as inappropriate for this wire type in this standard.
Referenced test methods and clauses
- Where applicable, requirements and test methods defer to IEC 60317-0-10:2017 and IEC 60851 series (winding wire test methods).
- Clause 30 (packaging) of IEC 60317-0-10 applies.

Applications and users

Who uses this standard
- Manufacturers and suppliers of enamelled and bare copper winding wire.
- Designers of motors, transformers, inductors, solenoids and other electromagnetic windings requiring high thermal endurance (temperature index 180).
- Procurement and quality‑assurance teams specifying wire construction, impregnation and thermal properties.
- Test laboratories and compliance engineers referencing correct test methods and limitations for this wire type.
Practical value
- Ensures consistent material composition (polyester/glass balance), impregnation compatibility and thermal index for reliable winding insulation in high‑temperature service.
- Guides selection of enamel grade and fibre layering (PG1/PG2) for mechanical protection and electrical insulation performance.

Related standards

IEC 60317-0-10:2017 - General requirements and nominal diameters for polyester glass‑fibre wound wires
IEC 60851 (all parts) - Winding wires - Test methods
IEC 60264 (all parts) - Packaging of winding wires

Keywords: IEC 60317-71, polyester glass-fibre wound, winding wire, temperature index 180, enamelled copper wire, resin impregnated, PG1, PG2, winding wire specifications.

IEC 60317-71:2020 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Applications and users

Related standards

Related standards

Abstract

Overview

Key topics and technical requirements

Applications and users

Related standards

Related standards

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