Polyester enamelled rectangular copper wire, classified under Class 155. It consists of a copper conductor coated with a layer of polyester enamel, providing excellent insulation and protection. This type of wire is crucial for creating reliable and efficient winding in motors, transformers, inductors, and other electromagnetic devices.
Copper Quality: High-purity copper for optimal electrical conductivity. Provides high conductivity and mechanical strength. Polyester enamelled rectangular copper wire is made from high-purity copper, chosen for its excellent electrical conductivity and malleability.
Temperature Class: Class 155, indicating the wire’s capability to operate continuously at temperatures up to 155°C.
Rectangular enamelled wire: The rectangular shape is achieved through precise manufacturing processes that ensure uniform dimensions and smooth surfaces. The rectangular shape allows for better space utilization and improved performance in specific applications.
Enamel Type: Polyester insulation with specific electrical and thermal properties. Offers electrical insulation and thermal resistance. The enamelled wire is coated with a polyester enamel, a type of polymer insulation. It can provide critical electrical and thermal properties.
Chemically, polyester is a polymer primarily composed of compounds within the ester functional group. Polyesters are among the first industrially used liquid crystal polymers. They are used for their mechanical properties and heat-resistance. These traits are also important in their application as an abradable seal in jet engines. For example, insulating polyester used in enameled wire.
Specifications – IEC 60317-16 Standard
Reference standard IEC 60317-16 the requirements for polyester enamelled rectangular copper wire, Class 155. Enamelled rectangular copper winding wires of class 155 with a sole coating based on polyester resin. This international standard ensures that the wire meets specific criteria for electrical, mechanical, and thermal performance, making it suitable for a wide range of applications.
IEC 60317-16 polyester enamelled rectangular copper wire, Class 155, is a vital component in modern electrical and electronic systems. Its high electrical conductivity, thermal resistance, and durability make it ideal for a variety of applications, from transformers and motors to inductors and solenoids. Understanding its properties and benefits is essential for making informed decisions about its use in various industrial and consumer applications.
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 lEC specification;
-Nominal conductor dimensions in millimetres (width x thickness);
-Grade;
-Nominal proof strength minimum (and maximum) value.
EXAMPLE: IEC 60317-17 – 4,00 × 1,00. Grade 1 Rp0.2 = 120 N-mm-2
Methods of test
ln case of inconsistencies between the publication on methods of test and this document, IEC 60317-0-2 shall prevail.
Where no specific range of nominal conductor dimensions is given for a test, the test applies to all nominal conductor dimensions covered by the specification sheet.
Unless otherwise specified, all tests shall be carried out at a temperature from 15 °C to 40 °℃ and a relative humidity from 25 % to 75 %.
Before measurements are made，the specimens shall be preconditioned under these atmospheric conditions for a time sufficient to allow the specimens to reach stability.
The wire to be tested shall be removed from the packaging in such a way that the wire will not be subjected to tension or unnecessary bends. Before each test, sufficient wire should bed is carded to ensure that any damaged wire is not included in the test specimens.
Appearance
The film coating shall be essentially smooth and continuous. Free from streaks，blisters and foreign materiai when examined with normal vision. In accordance with good commercial practice, as wound on the original spool or reel.
Storage Conditions: Store in a cool, dry place away from direct sunlight and moisture to prevent degradation of the enamel.
Handling: Avoid excessive bending and stretching to maintain the integrity of the enamel coating.
Winding Techniques: Use appropriate winding techniques to ensure even and tight coils, minimizing gaps and overlaps.
Polyester enamelled rectangular copper wire has the following advantages：
1. Efficiency: High electrical conductivity and insulation resistance ensure minimal energy loss.
2. Durability: Resistant to environmental factors such as heat and mechanical stress, leading to extended service life.
3. Versatility: Suitable for a wide range of applications due to its excellent electrical, thermal, and mechanical properties.
4. Cost-Effective: Balances performance and cost, making it a popular choice for industrial and consumer applications.
5. High Conductivity: Ensures efficient electrical transmission with minimal losses.
6. Insulation Resistance: Prevents short circuits and maintains signal integrity.
7. Durability: Resistant to abrasion and mechanical stress, ensuring long-term reliability.
8. Flexibility: It can be bent and wound without damaging the copper core or insulation.
Polyester enamelled rectangular copper wire, Class 155, is a vital component in modern electrical and electronic systems. It has excellent electrical conductivity, thermal resistance.
Polyester enamelled rectangular copper wire suitable for a wide range of applications, from transformers and motors to inductors and solenoids. Understanding its properties and advantages helps in making informed decisions for its use in various industrial and consumer applications.
