Fibre Glass Covered Copper Conductor

Fibre Glass Covered Copper Conductor: Rational Engineers

Conductors are the silent heroes that carry electricity through machines and devices, powering modern technology. However, not all conductors are created equal. Rational’s Fibre Glass Covered Copper Conductor is the choice in challenging applications requiring high temperature, durability, and reliable insulation. 

This advanced conductor is meticulously crafted with a layer of fibreglass insulation that provides superior protection against extreme temperatures, mechanical stress, and chemical corrosion. 

Moreover, its copper core is of the highest quality, ensuring excellent electrical conductivity and long-term performance. Whether you’re building a power plant, an aerospace system, or an industrial machine, Rational’s Fibre Glass Covered Copper Conductor is the trusted solution for your most demanding electrical needs.

This blog post will explore this remarkable electrical conductor’s composition, applications, and unique features.

What is Fibre Glass Covered Copper Conductor?

Fibre Glass Covered Copper Conductor is the perfect solution for demanding electrical applications. Imagining a delicate copper wire enveloped by a sturdy, heat-resistant shield correctly describes it. 

The fibreglass insulation layer, woven as tape or applied continuously, provides an exceptional blend of materials that unlocks a unique set of properties. Fibre Glass Covered Copper Conductors are highly suitable for various challenging electrical applications due to their exceptional properties.

Fibre Glass Conductors Composition and Structure

The foundation of Rational’s Fibre Glass Covered Copper Conductor lies in the strategic fusion of copper and fibreglass insulation. The fibreglass can be intricately applied in two primary forms: woven tape or as a continuous fibre. This deliberate application has proven to be a game-changer, providing coil winders with heightened thermal stability and exceptional electrical properties. Including fibre glass significantly enhances the conductor’s resistance to abrasion after varnishing, ensuring sustained performance over time.

Dielectric Strength and Mechanical Properties

A defining feature of this conductor is its augmented dielectric strength and mechanical properties, achieved through the meticulous bonding of fibreglass with a specialised varnish. This synergy fortifies the conductor against potential electrical breakdowns and enhances its mechanical integrity. This dual advantage is particularly invaluable in applications where a balance of high mechanical strength and superior insulation properties is imperative.

Why Choose Rational’s Fibre Glass Covered Copper Conductor?

Here’s what sets Rational’s Fibre Glass Covered Copper Conductor apart:

Temperature Resilience

Forget about melting wires! This conductor can handle scorching temperatures up to 200°C, ideal for high-performance motors and transformers.

Electrical Insulation

Say goodbye to short circuits. The fibreglass provides excellent electrical insulation, ensuring safe and efficient current flow.

Abrasion Resistance

Rough handling? No worries. This conductor boasts impressive abrasion resistance, staying strong even under demanding conditions.

Mechanical Strength

Need a conductor that can take a beating? This one’s got your back. The fibreglass adds significant mechanical strength, perfecting applications with commonplace vibrations and stresses.

Customization Options

Don’t settle for one-size-fits-all. Rational offers Fibre Glass Covered Copper Conductors in various sizes, including round wires (2.00 to 6.00 mm) and flat wires (4.00 to 16.00 mm), with thicknesses ranging from 1.00 to 4.00 mm. You can even choose from different thermal classes (155°C, 180°C, 200°C) and insulation classes (F, H, dual coat) to match your specific needs.

Where Does Fibre Glass Covered Copper Conductor Shine?

This versatile conductor finds its home in a wide range of applications, including:

  • Electric Motor Stators: Powering industrial machines, fans, and appliances.
  • Generators: Turning mechanical energy into electricity.
  • Special Transformers: Handling high voltages and currents efficiently.
  • High Voltage Motors: Driving demanding machinery in various industries.

The Rational Advantage

When you choose Rational’s Fibre Glass Covered Copper Conductor, you’re not just getting a product but expertise and commitment to quality.

Here’s what sets Rational apart:

  • Decades of Experience: With over 50 years in the industry, Rational understands the needs of electrical engineers and manufacturers.
  • Stringent Quality Control: Every set of conductors undergo a stringent testing process to ensure they meet the highest quality standards.
  • Technical Support: Whether you have a specific question or need guidance choosing a suitable conductor, Rational’s team is always there to help.

Beyond the Basics

The fibre glass covered copper conductor is more than just a conductor – it’s a testament to Rational’s commitment to quality and innovation. Here are some additional points that make Fibre Glass Covered Copper Conductor Truly stand out:

Ease of Weldability

The smooth, abrasion-resistant surface of Fibre Glass Covered Copper Conductor makes it easy to wind, reducing production time and costs.

Varnish Bonding

The varnish bonding enhances the conductor’s mechanical properties, ensuring long-lasting performance and reliability.

Environmental Friendliness

Fibre Glass Covered Copper Conductor is RoHS compliant, minimising environmental impact and ensuring responsible manufacturing practices.


Rational’s Fibre Glass Covered Copper Conductor is a testament to innovation and precision. Its meticulous blend of copper and fibreglass insulation addresses the immediate need for high electrical efficiency and prioritises mechanical and thermal stability, setting new benchmarks in the field.

When choosing a conductor, settle for nothing less than the best. Rational’s Fibre Glass Covered Copper Conductor is a powerful combination of strength, versatility, and innovation, ready to empower your projects and keep the world humming.

So, whether you’re building a tiny motor or a colossal generator, let Fibre Glass Covered Copper Conductor be the backbone of your electrical success. With its exceptional properties and commitment to quality, it’s the conductor you can trust to deliver reliable power repeatedly.

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