Specifications for particular types of winding wires; part 34: polyester enamelled round copper wire, class 130

This technical specification establishes comprehensive requirements for enamel-coated round copper wires designed for use in electrical windings. The document focuses specifically on wires with a polyester-based enamel coating, classified for thermal stability up to 130 degrees Celsius. It outlines essential criteria regarding physical dimensions, electrical properties, and performance characteristics necessary for manufacturing and quality assurance processes. The text defines precise tolerances for wire diameter and insulation thickness, alongside detailed procedures for testing adhesion, flexibility, and dielectric strength under various operational conditions. These parameters ensure consistent performance and reliability when such conductors are utilized in transformers, motors, and other electromagnetic devices operating within the specified thermal class. The scope covers the material composition of the enamel layer and the mechanical integrity of the coated wire during winding applications. By adhering to these defined specifications, manufacturers can guarantee product consistency and compatibility with international safety and performance norms for electrical machinery components.