Nidec Leroy-Somer

Business Summary

Nidec Leroy-Somer is a French company employing about 6200 people in 28 production units and 470 points of sale and service worldwide.
Its decentralized design offices guarantee you an understanding of your business, processes, working environments and machine function from the initial product design stage.
Serving OEMs, End-users and distribution partners, with standard to adapted or customized products Nidec Leroy-Somer is able to cover the most demanding requirements.

Main Products

Industrial motors (Industrial induction & synchronous Motors)

Leroy-Somer Products

As a world specialist of industrial electrical motors, Leroy-Somer offers a full range of induction and permanent magnet synchronous motors, up to IE5 efficiency level. The extensive range covers fixed or variable speed applications, standard or explosive atmospheres, with many options available. 
The proven high reliability Induction motor range includes many variants, up to 1500 kW: Single & Three phase motors - With integrated drives - ATEX dust & gaz - Smoke extraction. 
Permanent Magnet synchronous motors are based on Induction motor components offering reliability, robustness, efficiency, flexibility and express availability. Power range from 11 to 430 kW.

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Servo Motors (Standard and custom Servo Motors and Geared Servo motors)

Nidec Leroy-Somer offers a complete range of servo motors, DC Brushed & BLDC Brushless Solution, BLDC drives, integrated and PCB, high precision Gearboxes.

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AC Drives (High-power AC drives)

Leroy-Somer range of high-power modular drives is a ready to use, compact, reliable and user-friendly solution. The combination of power modules allows multiple optimized configurations: 6 or multiple pulse rectifiers, low harmonics, regenerative or DC bus solutions. Our drives provide high-performance control of induction & PM motors, an ideal choice for any industrial or commercial variable speed application (pumping, ventilation, compression, etc.) and any environment with an IP21 or IP 54 protection. From 45 to 250 kW, our drives are available in a wall mount version. In addition to their compactness, they provide great flexibility in terms of mounting arrangements.  Above 250 kW up to 1 500 kW, they are available in a free standing cabinet. Various air or liquid cooling arrangements are available. Both versions are serviceable offering high level of reliability, preventive alarms, diagnostic tools and modularity for minimum downtime. For artificial lift, Nidec Leroy-Somer has developed a dedicated offering with options for export pumps, PCP, ESP and ESPCP, Onshore and Offshore installations including Atex solutions.

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Industrial Alternators (Alternators)

TAL industrial alternators up to 1000 kVA - all-purpose performance
LSA industrial alternators up to 4000 kVA - for special applications
LSAM marine alternators up to 2400 kVA
LSAC cogeneration & prime alternators up to 1400 kVA

For all prime movers
Reciprocating engines - diesel or gas
Steam or gas turbines - high speed
Wind turbines
Hydro turbines
Nuclear - for emergency gensets

Traction alternators for rail & off-highway
Variable speed alternators for Telecom
Motor-Generator sets for line conditioning & transformer testing
Totally enclosed IP 55 & ATEX
400 Hz alternator for aircrafts ground power

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Geared Motors

Leroy-Somer geared motor range covers worm and wheel, helical, bevel, inline, parallel or orthogonal technologies, from 10 to 23 000 Nm.

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