Paper Covered Wire
Paper Covered Wire is a high-performance electrical conductor widely used in transformers, motors, and other electrical equipment. With excellent insulation properties and durability, it provides reliable performance in demanding applications.
Key Features of Paper Covered Wire
- Superior electrical insulation properties
- High thermal resistance
- Excellent mechanical strength
- Compatible with various impregnation materials
- Customizable dimensions for specific applications
Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Conductor Material | Copper or Aluminum | - |
| Temperature Class | 105°C to 220°C | - |
| Insulation Thickness | 0.05 - 0.50 | mm |
| Dielectric Strength | 10 - 35 | kV/mm |
| Standard Diameter Range | 0.5 - 10.0 | mm |
Paper Covered Wire FAQ Section
What are the advantages of Paper Covered Wire compared to other insulation types?
Paper Covered Wire offers superior thermal performance, better dimensional stability at high temperatures, and improved resistance to partial discharge. The paper insulation provides excellent dielectric properties while maintaining flexibility, making it ideal for transformer windings and other applications requiring tight winding configurations.
Applications
- Power transformers
- Distribution transformers
- Motor windings
- Reactors and chokes
- High-voltage electrical equipment
Performance Data
| Test | Result | Standard |
|---|---|---|
| Breakdown Voltage | ≥ 12 kV | IEC 60851 |
| Thermal Endurance | 220°C | IEC 60172 |
| Adhesion Test | Pass | ASTM D1000 |
How should Paper Covered Wire be stored before use?
Paper Covered Wire should be stored in a dry environment with relative humidity below 70% and temperature between 10°C to 40°C. Avoid direct sunlight exposure and keep the wire in its original packaging until ready for use. For long-term storage beyond 6 months, consider using moisture barrier packaging or controlled humidity storage.
Customization Options
Our Paper Covered Wire can be customized to meet specific requirements:
- Various paper thicknesses (single or multiple layers)
- Different paper types (kraft, nomex, or other specialty papers)
- Special impregnation treatments
- Custom colors for identification purposes
- Non-standard conductor sizes
What safety standards does Paper Covered Wire comply with?
Our Paper Covered Wire meets international standards including IEC 60317, NEMA MW 1000, and JIS C 3202. It is UL recognized and RoHS compliant. The product undergoes rigorous testing for dielectric strength, thermal aging, and mechanical properties to ensure compliance with these standards and safe operation in electrical equipment.
Quality Assurance
Every batch of our Paper Covered Wire undergoes comprehensive quality control checks:
- Dimensional accuracy verification
- Electrical property testing
- Mechanical strength testing
- Visual inspection for defects
- Sample testing from every production run