Overview
IEC 60317-0-9:2015 is an international standard published by the International Electrotechnical Commission (IEC) that defines the general requirements for enamelled rectangular aluminium winding wires. These wires are widely used as insulated conductors for windings in various types of electrical equipment. This standard outlines the essential characteristics such as conductor dimensions, tolerances, insulation specifications, and testing methods, supporting manufacturers and users in achieving high-quality, reliable, and globally consistent winding wire products.
The standard is part of the broader IEC 60317 series, which covers specifications for particular types of winding wires, and it is closely linked to associated standards on test methods and packaging.
Key Topics
- Conductor Dimensions: Specifies recommended ranges for widths (2.00 mm to 16.00 mm) and thicknesses (0.80 mm to 5.60 mm), with guidelines for larger sizes when needed.
- Tolerance and Corner Radii: Defines standard tolerances and corner rounding requirements to ensure compatibility and mechanical robustness.
- Insulation Requirements: Establishes minimum, nominal, and maximum increases in dimensions due to enamel insulation for different grades, securing electrical and mechanical properties.
- Testing Methods: References IEC 60851 for standardized testing procedures, ensuring reproducibility and reliability of measurements for:
- Electrical resistance
- Elongation at fracture
- Mandrel winding (flexibility and adherence)
- Breakdown voltage
- Resistance to solvents
- Temperature index (per IEC 60172)
- Appearance and Quality: Mandates smooth and continuous enamel coating, free from defects, ensuring suitability for critical electrical applications.
Applications
Enamelled rectangular aluminium winding wires serve a crucial role in:
- Transformers: Providing reliable, lightweight conductors for power and distribution transformer windings.
- Motors and Generators: Used in stator and rotor windings where space efficiency and electrical insulation are vital.
- Inductors and Chokes: Suitable for manufacturing compact and efficient magnetic components.
- Custom Electrical Equipment: Applied in specialized electrical windings for industrial and consumer electronics.
By standardizing the properties and testing of aluminium winding wires, IEC 60317-0-9:2015 assists manufacturers in meeting international requirements and helps end-users specify high-performance, durable, and safe products for electrical windings.
Related Standards
To ensure complete specification and high product quality, the following related standards should be consulted in conjunction with IEC 60317-0-9:
- IEC 60317-0-1: General requirements for enamelled round copper wire
- IEC 60851 series: Methods for testing winding wires
- IEC 60264 series: Packaging of winding wires
- EN 1715-2: Aluminium and aluminium alloys - Drawing stock for electrical applications
- ASTM B233-97: Aluminium 1350 drawing stock for electrical purposes
- IEC 60172: Test procedure for temperature index determination
These documents provide additional details on test methods, packaging, and material standards, and should be used to ensure full compliance in the specification, manufacture, and use of enamelled rectangular aluminium winding wires.
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