Rectangular aluminum wire with paper insulation APB — reliable solution for oil transformers
In modern power and industrial systems, the reliability and durability of transformers directly depend on the quality of the winding wire used. In particular, rectangular aluminum wire with paper insulation plays a critical role in oil-immersed power transformers. FENITEC offers rectangular aluminum wire with paper insulation APB — an efficient, economical, and reliable solution for energy and industrial applications.
What is paper-insulated aluminum wire?
Paper-insulated aluminum wire is a rectangular aluminum winding conductor covered with special kraft paper insulation.
This type of wire is widely used in:
oil-filled power transformers
energy equipment
high-voltage electrical systems
The rectangular shape provides higher winding density and more efficient use of transformer space.
FENITEC APB wires — technical specifications
Main parameters:
Type: APB
Conductor material: aluminum
Thickness: 2.0 mm – 5.6 mm
Width: 2.0 mm – 16.0 mm
Insulation: kraft paper
Temperature characteristics:
Temperature index: 105°C
Ensures stable and reliable equipment operation.
International standard:
IEC 60317-27
Manufactured in compliance with international quality standards.
Insulation layers:
From 1 to 8 layers of paper insulation
Allows selecting the optimal insulation level for different transformer applications.
Advantages of APB wire
FENITEC APB wires provide the following benefits:
high mechanical strength
reliable electrical insulation
resistance to transformer oils
long service life
suitable for large transformers
cost-effective solution
These features make APB wire widely used in the energy and industrial sectors.
Aluminum vs copper — which is better?
Today many manufacturers choose aluminum winding wire because of its advantages:
| Parameter | Aluminum wire | Copper wire |
|---|---|---|
| Price | Lower | Higher |
| Weight | Lighter | Heavier |
| Large-scale projects | Very cost-effective | More expensive |
| Efficiency | Good | Very high |
For large power transformers, aluminum wire is often the more economical choice.
Applications
FENITEC APB paper-insulated wires are widely used in:
oil-filled power transformers
energy equipment
industrial electrical systems
generators and winding systems
Ideal for projects requiring high reliability.
What affects the price of paper-insulated wire?
Popular search query: paper insulated aluminum wire price
The price depends on:
wire dimensions
number of paper layers
order volume
delivery conditions
Wholesale orders offer more competitive pricing.
Why choose FENITEC?
FENITEC — as a manufacturer of enameled and winding wires, offers:
advanced manufacturing technologies
strict quality control
compliance with international standards
stable supply
Every product batch is thoroughly tested and meets industrial requirements.
Conclusion
If you need reliable paper-insulated aluminum wire, transformer winding wire, or a dependable solution for the energy sector — FENITEC is the best choice. High quality, safety, and durability — all in one product.
Feel free to place your bulk B2B orders, contact us today and get the optimal solution for your project.