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Electrical linear actuator
RSD100 (Contrac)

Compact actuator for the operation of final control elements with preferably linear movement. For continuous positioning, rated force 100 kN (22500 lbf). The actuator thrust rod transfers the force directly to the final control element.

Fieldbus & HART


General specifications:

  • Electrical actuator for continuous positioning or step control
  • Stallproof without the need of position or torque dependent switch-off
  • Three-phase asynchronous motor
  • Sturdy gear unit with highly efficient design
  • Internal rotary - linear conversion
  • Hand wheel for emergency operation
  • Integrated sensors for position and temperature
  • Signal and power input only via separate, microprocessor-controlled electronic unit

Find out more about the electronic units:
Field installation
– Medium power range EBN853
– High power range EBN861

Mounting rack installation
– Medium power range EBS852
– High power range EBS862


  • Rated speed
    –  0.1 to 1.5 mm/s
    –  0.1 to 10.0 mm/s
  • Stroke range
     –  min 0 to 15 mm, max. 0 to 300 mm

Fieldbus & HART – Contrac

ABB’s freedom of choice offers the right driver for the major fieldbus protocols suitable for ABB devices.
The version matrix document shows for each protocol the software revision that’s compatible to the hardware and firmware revision of the device.

Software and documentation:

Stand-alone tool:
ABB offers software tools that use the listed drivers in the table above for your device configuration and monitoring requirements. Read more & download

Fieldbus solutions:
ABB offers a wide range of fieldbus products, accessories, tools, support documentations, applications and news. Read more


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