IEC 60317-61:2020 defines requirements for polyester glass-fibre wound, resin or varnish impregnated, bare or enamelled rectangular copper wire with temperature index 180. It is relevant when engineering teams need a technical reference for selecting, specifying, or evaluating winding wire intended for electrical equipment where thermal endurance and construction consistency matter. For procurement and compliance workflows, IEC 60317-61:2020 helps align product documentation, technical review, and conformity assessment around a clearly identified wire type and performance class.

IEC 60317-61:2020 standard overview

The document is part of the IEC 60317 series for winding wires and focuses on a particular rectangular copper wire construction using polyester glass-fibre winding and resin or varnish impregnation, with either bare or enamelled variants. Its likely technical purpose is to support dimensional, material, and performance evaluation for applications that depend on reliable insulation and heat resistance. Organizations may use it as a compliance reference during specification checks, laboratory evaluation, and technical validation of winding wire selection.

Applications of IEC 60317-61:2020

IEC 60317-61:2020 is typically relevant in the design and procurement of wound electrical components where rectangular copper conductor geometry is used to improve space utilization or winding density. It may be applied in motors, transformers, generators, and similar electrical equipment that require controlled thermal performance and consistent insulation construction. The reference is also useful in testing workflows, supplier qualification, and documented evaluation of winding materials against defined engineering expectations.

Why IEC 60317-61:2020 matters

This document matters because winding wire selection can affect operational consistency, product reliability, and risk management across electrical equipment programs. A clear technical reference supports conformity assessment preparation, reduces ambiguity in procurement, and improves consistency between design intent and delivered materials. It also helps laboratories and quality teams structure verification activities around a known product category, which can strengthen engineering documentation, technical compliance, and overall quality assurance.

• Defines a specific rectangular copper winding wire construction with polyester glass-fibre winding and impregnation.
• Supports specification review for bare or enamelled wire options used in electrical equipment design.
• Useful for conformity assessment, supplier documentation, and laboratory evaluation of winding wire products.
• Helps align procurement and quality workflows with a clearly identified temperature index 180 material class.