Olsen Actuators brings you ESI Motion’s Draco Servo Drive. Building upon the success of ESI's flagship Dragon servo motor line with size and weight reductions, and performance increases and utilising state-of-the-art wide bandgap technology. It is available in multiple configurations to fit a myriad of applications. The Draco incorporates a rugged, high-density DSP controller and power driver modules, offers several feedback options, and is packaged in a defence-grade submersible case.

Draco – Versatile High-Power Density Servo Drive

  •  Maximum Continous Output Current = Single Channel = 120A, Dual Channel = 80A

  •  Maximum DC Power = 29 kW

  • Single Channel Weight = 2.43 kg

  • Electrical Speed = Up to 75,000 RPM

An Adaptable Rugged Drive Solution

This versatile servo drive is ideal for high-performance applications operating outdoors, at high temperatures, in high vibration, or in other extreme environmental conditions. It comes with an industry benchmark Graphical User Interface, allowing the most flexible and precise system integration and control.

ESI Motion’s servo drive systems are designed for precision military, aviation, automotive, robotics, and specialised industrial applications where size and weight are critical. It is designed and manufactured in ESI Motion’s USA facility and complies with a wide range of defence and industry standards.

Feature highlights include:

  • Nominal Vbus Options = 300VDC or 600VDC
  • Torque, velocity or position control
  • Single or dual-channel
  • High-power density DSP controller
  • Multiple power driver options
  • MIL-STD-461 EMI filter
  • Active inrush limiter
  • Regeneration switch
  • Multiple feedback options
  • Configurable, user-friendly GUI with built-in scope features
  • Customisation available


  • Winch control
  • Countermeasure electronics
  • Special mission equipment
  • Vehicle modernisation
  • Environmental systems
  • Many more!

Customisation Available

  • Custom Ports
  • Firmware 
  • PWM Frequency changes
  • Mechanical modifications/repackaging
  • Development and integration services
  • Design and build cables & harnesses
  • Design and build custom solutions
  • Custom software protocols & firmware
  • Full program design and development support

Olsen Actuators and ESI Motion have the expertise to customise a solution for your project’s needs. Instead of taking an off-the-shelf product and having to customise in house, let Olsen and ESI do the heavy lifting and adapt your drive to your specific project's requirements, nothing is off the table. Just let us know, and we will work with you to engineer a solution.

Contact us today at info@olsenactuators.com to see how we can tailor a solution for you.

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