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Close-up of copper windings in an electric motor. High-performance magnet wire - Tretau

Half the size.

Double the power.

Magnet Wire for all applications

Cooper flat wire - Tretau
Aluminum flat wire - Tretau

Flat wire

Engineered for superior space efficiency and optimized for high power density, flat wire is ideal for compact and high-performance applications like electric motors and transformers.

Cooper round wire - Tretau
Aluminum round wire - Tretau

Round wire

A versatile and reliable solution, round wire combines excellent conductivity with mechanical robustness, ensuring consistent performance across various industries and applications.

Cooper hollow wire - Tretau
Aluminum hollow wire - Tretau

Hollow wire

Designed for advanced cooling solutions, hollow wire integrates fluid channels for thermal management in high-power applications, enhancing efficiency and reliability.

Cooper concentric coating Tretau
Aluminum concentric coating - Tretau

Concentric coating

Tretau’s concentric coating ensures uniform insulation thickness around the wire, providing optimal electrical insulation and reducing the risk of localized breakdowns.

Cooper eccentric coating - Tretau
Aluminum eccentric coating - Tretau

Eccentric coating

Specially developed for applications requiring tailored insulation, eccentric coating provides variable thickness to meet specific design and performance needs.

Technical specifications

Tretau’s magnet wire is designed to meet the specific demands of our customers. With fully customizable solutions, we produce magnet wire featuring a monolayer coating that offers best-in-class dielectric properties, exceptional aging performance, a bending radius of ≤ 1.0 mm (for rectangular wire), and a record-breaking adhesion stripping force of ≥ 2.0 N/mm (PEEK).


Tretau’s DryCycle coating technology enables the delivery of technopolymers-based (PEEK, PAEK, PEKK, PFA, PPS, PPSU) magnet wire tailored for high heat and voltage thresholds.

Geometry

Material

Polymer

Thickness

Round wire: 0.7-8 mm

Rectangle wire: 1.5 – 50 mm²

Copper: ETP1 and Oxygen-free (OF)

Aluminum

Nickel-plated

Silver

PEEK

PPS/PPSU

PFA

PA 11/PA 12

Ranging from 30 – 400 μm

Unparalleled performance

with DryCycle®

Tretau has developed DryCycle®, a patented technology that balances the need for sustainable manufacturing with the power, reliability, and performance required by electrification. The wire manufactured through this breakthrough process enables the electric machines of tomorrow: more powerful, compact, and eco-friendly.

Wire manufacture - Tretau DryCycle®

One-step process

DryCycle® redefines the efficiency, durability, precision and quality of magnet wire production. Our solvent-free, monolayer coating process offers three key benefits: it reduces operational complexity, minimizes environmental impact and enhances performance.

Two components

DryCycle® is compatible with both thermoset and thermoplastic polymers, allowing greater versatility in product development. With strategic partnerships throughout our supply chain, we are able to reduce lead times.

Magnet wire

Our continuous sensor monitoring alongside a marking system enables us to guarantee precision and accuracy throughout the coating process, thus ensuring compliance with specifications in the final product. We produce high-performance magnet wire.

Quality is part of our process

At Tretau, quality is part of our process. We adopt a process-driven approach grounded in risk analysis and continuous improvement. This ensures that every product and service we deliver is compliant with customer requirements and exceeds industry expectations. Our team is committed to analyzing, monitoring, and refining processes to enhance efficiency and effectiveness, creating lasting value for our stakeholders.

 

Through a robust, ISO 9001:2015-certified Quality Management System, we ensure consistent compliance, continuous improvement, and adaptability to evolving market needs. By investing in skilled professionals and fostering a culture of learning, we empower our team to uphold excellence across every process.

 

We are ISO 9001:2015, IATF 16949:2016 and ISO 14001:2015 certified. We are also committed to implementing ESG reporting.

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