Top 10 Servo Drive Manufacturers in Industrial Automation

Servo drives are an integral part of a servo system.  Working in tandem with a motor, controller, and a feedback device, servo drives receive instructions from the controller for the prescribed motion for the motor. It then sends the right amount of electrical current to enable the motor to perform the motion required.

There are several types of servo drives including those that control torque as well as velocity and positioning.  But torque is the most used variable in many servo systems.  Because they deliver the precise required voltage and current to motors, servo drives are also called amplifiers. 

All variables encountered by service systems – torque, position, velocity – are part of a complex motion control system that impacts safety, efficiency, and equipment condition.  So, having the right servo system components are critical.  Without the right components, servo systems could overheat and shorten the lifespan of the motor.

There are many OEM producers of servo drives across the globe.  Many produce interchangeable components while others have drives tailored for specific applications.  Here is a look at the top ten manufacturers of servo drives within the industrial automation space.

Allen Bradley

With more than a hundred years of history that electronics, controls and motion systems, Allen Bradley offers a wide range of PLCs, HMIs, sensors, safety systems and servo systems as well as software to give system designers safe, reliable products for almost any application. 

Allen Bradley’s servo system is part of a family of products offering integrated safety and superior flexibility for standalone, medium and large motion systems.  Their servo drive line is sold under the Kinetix brand and allow integrated motion working in tandem with Logix based controllers.  They offer drives utilizing EtherNet/IP and others which are capable of operating on a SERCOS interface and.  The flexibility of the Kinetix line covers power needs in the low, medium and high-end range. 

Allen Bradley’s EtherNet IP Drives come in models 5500, 5700, and 6500 and can work on any system utilizing EtherNet IP. Their SERCOS Interface Models are offered as the 6000 and 6200 are designed for low and high-power applications and are ideal for integration with their food-grade motors.  Finally, for standalone and low power applications the Kinetix 5100, 3 Single-Axis Component, and the Kinetix 300 offer low power and single product flexibility for designers and builders.


Another company with century long history, Siemens has leveraged its early production of computers and semiconductors beginning in 1945 to produce a wide range of products from windmill technology to transportation system electronics.  Beginning in 1958, Siemens began producing PLCs under their Simatic name brand which grew to a large family of control and automation systems today.

Today, Siemens offers servo drives under their SINAMICS brand for a wide range of drive applications in the low and medium voltage DC range.  Siemens offers standard performance models such as the V20 which works up to 30kW through the G150/150 which operates as high as 2700 kw.  This standard performance line also offers two mid-range sizes in the G120 and G120C at 250 and 125 kW, respectively.

Siemens also produces industry specific drives in the G120X and G180 for complex systems requiring a wide range of communication and operating frames and with special safety applications.  Industry applications include conveyance, processing, pumps, and compressors applications.

For low voltage applications, they offer the energy efficient S120 and S120CM.  They offer highly scalable and flexible modularity that can be integrated with a host of other components.  They also offer a wide range of communication protocols.

SINAMICS high performance drives include the modular S150 which can recover energy from the system and improve energy efficiency.  This modular system can be used in larger control systems and a variety of communication protocols.  For simpler and more cost efficient yet high-performance needs, the SINAMICS DCM is compact, yet delivers high power ratings when needed.

Schneider Electric

Rising from an armament’s manufacturer in the early 1800s to a provider of motion and control solutions today, Schneider Electric began focusing on electrical components exclusively in 1981.  Through a series of key acquisitions of brands such as Square D and Merten, Schneider has grown to provide real-time automation and has invested heavily in developing its automation products and software.

Schneider’s Lexium family is separated by power and functionality into several groups.  The Lexium 32, 23 Plus and 28 models offer a wide range of variants in both single and three phase drives.  The Lexium 32 is rated up to 11kW while the 23 is rated at 7.5 kW max and the 28 at 4.5 kW.

The Lexium 52 is a standalone drive controlled by Schneider’s PacDrive LMC controller family.  They have a high-power density and work well for single axis applications that are self-contained.  They can work in industry specific environments with Schneider’s stainless steel motor line for industries requiring economical yet scalable automation.

The Lexium 62 is a modular multi-axis drive that uses up to 50% less cabinet space than comparable models.  This reduces cabling and mounting costs.  The 62 works with PacDrive controllers and comes in safe versions as well that allow management via SERCOS interface.


Originally formed in Japan prior to WWII, Omron has become a leading manufacturer and developer of advanced sensor, control and automation systems.  Their current Sysmac automation system allows integration by servo components into a single platform.

Omron servo drives are offered in Omron’s G5 series.  Their drive models are categorized by power application which includes:

  • Single-phase 120V AC – 4 models
  • Single-phase 230V AC – 9 models
  • Three-phase 230V AC – 10 models
  • Three-phase 480 V AC – 23 models

Omron servo drives come in EtherCat, ML-II, and Analog/Pulse versions.  All models have an encoder built in and operate with advanced tuning options via algorithm for vibration, anti-torque and disturbance.  All models have advanced functionality that includes load inertia detection, dynamic braking and regeneration, and overtravel protection. 


For many decades, General Electric provided automation solutions under the GE Intelligent Platforms and GE Automation control products.  But in 2019, Emerson purchased the Intelligent Platform unit from GE and now functions as Emerson Automated Solutions.  Since acquiring GE’s Intelligent Platforms, Emerson offers complete servo system products under its PACMotion brand.

All of Emerson’s PACMotion servo drives can be matched with servo motors via a plug-and-play configuration.  PACMotion servo drives are low profile and compact and all operate with EtherCat controllers but can be utilized with third party components.  Each drive is capable of closed-loop control of speed, torque and position.

Emerson PACMotion servo drives come in 8 models ranging from 1100W…16,000W.  There are four models each rated for 120/240V AC and 240/480V AC.  Multiple drives can be added to the system to scale for larger system builds with up to 50 coordinated control axes and all come standard with Safe Torque Off. 


Another older player in the automation market is ABB.  Founded in the 1800s as an electric company, ABB has progressed through numerous acquisitions to become a leader in robotics and motion control.  Starting in 2010, ABB began to move heavily into motion control with additional acquisitions and motion continues to exist alongside robotics, power generation and power grid technology.

ABB has a wide range of drive sizes, frames and power ratings depending on application.  They produce low voltage AC drives for systems up to 7500 HP as well as DC drives for heavy industries such as metal, mining food and beverage, and others.  ABB’s DC drives have the greatest power-to-size ration available with power ratings as high as 24000 kW.  They also offer micro drives for low power, standalone applications.

Depending on the application and required power, ABB servo drives include:

  • Micro Drives – 3 models
  • Machinery Drives – 2 models
  • General Purpose Drives – 2 models
  • Industrial Drives – 3 models

ABB’s drive selection is geared toward covering any need.  While the larger industrial drives and micro drives service power specific needs, other models are aimed at customized or special requirements.  For example, ABB machinery drives can be custom configured for industry specific requirements, making them easy for those industries to integrate them into their control systems.  ABB also offers general purpose drives for a cost-effective and plug-and-play application with less stringent, lower power or standalone needs with less features required.

Mitsubishi Electric

Long known as an auto maker, Mitsubishi also operates a control and automation division providing control solutions for a variety of industries.  These systems are sold under the MELSERVO name and are used in industries such as automotive, material handling, food and beverage, and other industries.

The Mitsubishi MELSERVO line has a smaller number of options compared to other manufacturers.  However, all offer EtherNet-based optical communication to keep system components in sync and in real-time

The smallest member of the MELSERVO drive family is the MR-J4-GF.  This drive communicates with a CC-Link IE Field Network.  It can be sourced in 100V AC, 200V AC, and 400V AC offers closed-loop control on speed, torque, and position.  It offers precise positioning with built-in point table functionality.

Because of Mitsubishi’s focus on industry automation, there are 3 models the MR-J4-B, MR-J4W2-B, and MR-J4W3-B are used in 2 and 3 axis applications.  They communicate via the SSCNET III/H and can use high-speed serial communication between the drive and the controller. They are also available in 100V AC, 200V AC, and 400V AC.

For general purpose applications, Mitsubishi offers the MR-J4-A.  This drive uses pulse train and analog as its inputs and can come in one functionality of speed, torque or position.  They are available in 100V AC, 200V AC, and 400V AC and support Modbus RTU.

The MELSERVO drive family also offers a micro drive in the MR-J4W2-0303B6 and MR-J4-03A6.  These are ultracompact drives and only come in 48V DC and 24V DC. They can only drive a rotary servo motor and are limited in wattage to a max of 30W


Know in the 70s for their consumer electronics, Hitachi’s focus is predominantly industrial control.  They offer both general purpose and extremely fast PLCs to cover a wide range of control needs. 

Offering only an AC drive, Hitachi’s brand for servo drives is the AD series.  The AD series consists of 34 drive models.  Unlike other manufacturers, Hitachi AD series drives are more intricately linked with specific motor configurations.  While there are a few drive parts numbers that work with more than one motor, the balance is specifically rated for a specific motor size. 

AD series drives are smart enabled and can operate in a standalone capacity.  In simple systems, they can even operate independent of a PLC if required. The entire AD series line is a compact drive, limiting scalability.  However, what the AD series drive lacks in size and scalability is made up in ease of use and can be configured via a Windows based PC to configure position, sped, and torque.


Another post war manufacturer, Idec began making electromechanical controls in 1945.  Idec has positioned itself in recent years to accommodate the IoT wave currently exploding with increased automation and digitization.  Many of its products, including servo systems and servo drives, are specifically designed to address this and it allows its devices to be accessed via a conventional browser. 

Idec relies heavily on EtherNet communication with its MicroSmart Pentha PLC line for remote machine monitoring.  This is reflected in its servo drive offerings which, unlike other drive makers, combines the PLC and drive into a single unit. 

This has several advantages.  It means the drive can be ultra-compact and used for standalone as well as large systems.  It is also flexible in that it can operate from 1 to 6 axes with a “buy what you need” offering.  The unit operates in both open and closed loop and is easily programmed through a PC.

However, there are currently only two models available, and it is unclear whether the system can be scaled to accommodate heavier industry as is.  It may be necessary to separate the combined controller/drive functionality for larger builds and heavier industries to build out a more versatile and flexible response to industries moving into IoT.


Keyence specializes in industrial automation and control.  Under its KV-X Motion system, Keyence offers a host of automation and control product.  Their products are used across single and multi-axis control systems and they are highly focused on precision and high-performance.  In fact, when a multiple number of servo units are synchronized, the system can operate up to 112 axes.

The KV-X Motion system uses parameter-based programming to allow for easy programming of components.  Units are ML-II compatible and can be mounted standalone or side by side.  There are fifteen models of servo drive within the Keyence KV-X Motion system.  They range in power capacity from as low as 50W to as high as 50 kW.  This makes t Keyence products a good small to mid-range drive for systems requiring high precision and performance.

Despite the wide capacity range among models, all have the same feature sets embedded.  From I/O to feedback to communication, all models have the same capabilities.  This gives system designers the flexibility and agility to build systems to exactly the power needed without sacrificing features or overpowering a build.  The only exception to this is power supply with ten models at three-phase 200V and 5 models offered at single phase 200V AC.

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