Leroy-Somer is the world-leading specialist in electric power generation and drive systems. Leroy-Somer designs and manufactures alternators from 1 kW to 20 MW used in both standby and continuous duty power generation applications. 

The Leroy-Somer motors and drives portfolio provides a variety of advanced technologies, including high-efficiency induction and permanent magnet motors driven by the most advanced electronic inverters on the market. Based on standard platforms, Leroy-Somer offers modified, special purpose and fully customized solutions to meet customer requirements.

With an international network of service centers, Leroy-Somer offers technical assistance throughout the world.


Learn more about Leroy-Somer's services and solutions:

Drive Systems
Electric Power Generation
Service & Training 


Kato Engineering AC generators, motor-generator sets and controls for power generationLeroy-Somer's North American partner Kato Engineering designs and manufactures alternators, motor-generator sets and controls for prime, standby, and peak-shaving power (200kW to 15 MW).

Leroy-Somer Alternators Mechanical Drives


Leroy-Somer LSA40 Low Voltage Alternator
NEW!  Leroy-Somer LSA 40
Low voltage 4-pole three phase alternator.