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Isabellenhütte Heusler

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German specialist in electrical resistance alloys, thermoelectric materials, and high-precision resistors and sensors.

Last updated September 15, 2026

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Overview

Isabellenhütte Heusler is a German company that specializes in electrical resistance materials, thermoelectric materials, and high-precision and high-power resistors. First documented in 1482 as the "Kupferhütte auf der Nanzenbach," it has used its current name since 1728 and has been owned by the Heusler family since 1827, now in its eighth generation. The company produces high-tech products for current measurement — alloys, resistors, and sensors — used worldwide by leading manufacturers in mobility, aerospace, industrial applications, medical technology, and other sectors. Its sensor division focuses on measuring current, voltage, and temperature in cars and commercial vehicles, especially hybrid and electric vehicles, as well as in industrial and renewable energy generation systems.

History

Isabellenhütte Heusler was first documented in 1482 as the "Kupferhütte auf der Nanzenbach." From 1728, its current name came into use following the transfer of ownership to Princess Isabella Charlotte of Nassau. Since 1827, the company has been owned by the Heusler family, now in its eighth generation. Over more than 500 years, it evolved from a copper smelter into a manufacturer of high-precision alloys, resistors, and measurement technology. Today it produces high-tech products for current measurement — alloys, resistors, and sensors — used worldwide by leading manufacturers in mobility, aerospace, industrial applications, medical technology, and other sectors. Its sensor division sets standards in measuring current, voltage, and temperature in cars and commercial vehicles, especially hybrid and electric vehicles, as well as in industrial and renewable energy generation systems.

Products and positioning

Specialist in electrical resistance materials, thermoelectric materials, and high-precision, high-power resistors, with centuries of experience and innovative technologies.

  • Alloys

    High-precision and custom alloys.

  • Resistors

    High-quality precision and power resistors.

  • Sensors

    State-of-the-art high-current measurement technology and measurement systems.

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