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Dyneo+, super premium energy efficiency motors

The Dyneo+ range of rare-earth-free magnet-assisted synchro-reluctant motors, designed for variable speed, has an IE5 energy efficiency level.

In addition to their high reliability and unrivalled performance, these new motors are connected to the jointly developed Systemiz application, enhancing the user experience, including simple and interactive commissioning.

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Dyneo+ Synchronous motors combining reluctance and permanent magnets 

Leroy-Somer branded products tailored for you

For a century Leroy-Somer is a recognized brand for its robust, innovative, eco-technological solutions of industrial alternators and drive systems. We provide extended product & service range for most applications serving all types of customers. We design, develop and manufacture scalable, customized product & service solutions for OEMs supported by a global presence with Operations, Engineering & Development  teams in Europe, China, India & Americas.

Our customer-oriented approach will help you to select the right technology and architecture to achieve your company’s goals for operating expenditure, return on investment, reliability and serviceability.

A proud member of the Nidec family

Leroy-Somer is a brand of Nidec, the world’s largest manufacturer of electric motors. Nidec is on the forefront of technology advancements for “Everything that Spins and Moves.” You can learn more about Nidec with the link below :

More About Nidec


Dyneo⁺ synchronous reluctance PM motors

Dyneo⁺ is the brand-new Nidec Leroy-Somer motor range.
Synchronous motors combining reluctance and permanent magnets of energy efficiency class IE5.
High reliability, unrivalled performance and interactive commissioning with the Systemiz application.11 to 430 kW. Speeds up to 6000 rpm.
Interchangeable and compact ranges.

Respond in 24H to your emergencies with high power motors from 75 to 710 kW

IMfinity 2/4 pole B3 induction motors, closed IP55, ODP IP23, Atex.
Stock available 24/7. Wide range of options (insulated or roller bearings, B35 mounting...).
Workshop dedicated to customer adaptations to respond to your emergencies in 24 hours.

What is Nidec?

We developed this short video to explain.
Nidec, with 100,000 people in 40 countries, is a global group that produces 3 billion motors per year. In this video, we introduce Nidec’s background and the 3 key drivers behind its growth as well as the “5 waves” - the trends that we foresee will further push Nidec forward.
Nidec, for everything that spins and moves.

Leroy-Somer celebrates its 100th anniversary

In 1919, a young worker in Charente, France started repairing electric motors. Since then, the company founded by Marcellin Leroy has grown, expanded internationally, and developed technologies that are viewed as measuring sticks for their respective markets.
Today, Leroy-Somer means a range of extraordinary products that people trust everyday to work, live and move around the world.

Nidec Leroy-Somer – High-tech industrial facilities

Brief overview of the state of the art manufacturing, engineering, design and know-how you may expect from a world leading manufacturer of motors, drives & industrial alternators. Discover our commitment to modern, highly professional world-class plant.

Decrease of TCO in plastic & rubber extrusion with Leroy-Somer motor & drive solution at Cooper Standard

Replacing DC motors with a complete and cost-effective variable-speed drive solution Dyneo / CPLS/ Unidrive M. Optimisation & homogenisation of the motor range on the extruders of the automotive equipment manufacturer Cooper Standard. About 80% decrease in maintenance costs, 6% reduction in energy consumption and drastic drop down in the cost of production downtime with an increased equipment reliability.

Commander ID300 – Integrated Drive for IMfinity motors

Commander ID300 is our new all in one, high performance drive system to control IMfinity induction motors from 0.25 to 7.5 kW. As a ready to use modular system including brakes, gearboxes, it’s a flexible solution for all your applications in Process, Manufacturing or Intralogistics.

Brest cable-car powered by Nidec Leroy-Somer

Urban mobility in the French city of Brest has been boosted by two cable cars carrying up to 60 people who travel more than 400 meters above the River Penfeld, with a power consumption that is potentially close to zero. This achievement is an innovative world first in terms of technology.
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