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LEM International (Switzerland)

Swiss-headquartered current sensor manufacturer and hub of the LEM Group, focused on transducers for measuring electrical parameters.

Last updated September 16, 2026

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Overview

LEM International (Switzerland) is a pioneering current sensor manufacturer headquartered in Switzerland, serving as the hub for the LEM Group. It describes itself as a focused manufacturer and global market leader in producing high-quality transducers for measuring electrical parameters, with products used across a broad range of applications. The LEM Group maintains a global presence with offices including LEM Europe GmbH, LEM USA Inc., LEM Electronics (China), and LEM Japan KK. LEM Holding manages investor relations, and the entity is recorded as a public company.

History

LEM International (Switzerland) is headquartered in Switzerland and serves as the hub for the LEM Group, which maintains a global presence with offices including LEM Europe GmbH, LEM USA Inc., LEM Electronics (China), and LEM Japan KK. The company began with products for locomotives in the seventies and expanded into a vast area of industrial applications, including variable speed drives for motors, power supplies for industrial applications, AC/DC converters, and uninterrupted power supply systems. LEM Holding manages investor relations, and the entity is recorded as a public company.

Products and positioning

Focused manufacturer and global market leader in high-quality transducers for measuring electrical parameters, with strong brand recognition in its markets.

  • DCES Series – DC Meter Direct Current Energy Sensor

    LEM’s new generation of DC metering solutions.

  • HSU Series Hybrid battery current sensor

    Combining Shunt and Hall technologies.

  • IN Series

    Ultra-accurate and low noise level current sensors ranging from 200 to 2,000 A.

  • SMU Series

    The new Single Monitoring Unit (SMU) for accurate SOC estimation across all EV technologies.

  • FRS Series

    Open Loop Coreless Integral sensors (OLCI) for the electronic measurement of current up to 9kA.

  • FL Series

    Open Loop Coreless Integral sensors (OLCI) for the electronic measurement of current up to 42kA.

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