RS Components
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Electric Actuators

Electric actuators are motor-driven components that drive or trigger other functions in a circuit. They use electrical input current - unlike hydraulic, pneumatic, thermal or magnetic actuators - and convert it to mechanical (linear or rotary/torque) energy for powering various sorts of control systems.

What types of electric actuators are available online?

We stock a comprehensive range of electric actuators, controllers, switches and mounting accessories from trusted brands like Siemens, SMC, RS PRO and Actuonix.

  • Rod-style electric actuators provide linear output forces (pushing, pulling or pressing a load). The rod extends/retracts in response to input current, acting on an attached load or one positioned such that it will be moved.

    • They’re a popular alternative to pneumatic slide unit actuators, because the extent of motion for a rod-style actuator isn’t strictly limited by the length of its housing

    • Electric rod actuators are simpler to install and maintain than equivalent hydraulic components, and often chosen where accurate end-to-end positioning, fast speeds or high forces are required

    • Miniature electric actuators are also available in rod-style configurations, reducing the need for awkward or bulky gears, motors, servos and linkages in smaller circuits (e.g. robotics, automotive control systems, consumer appliances and toys)

  • Rodless electric actuators can be belt-driven or screw-driven, and are often preferred in pick-and-place or sensor adjustment roles.

    • They commonly use self-lubricating toothed belts or lead screw axes for smooth linear operation and quick installation, without the need for external lubrication

    • Defined stroke length makes them ideal in systems or machinery designed for lifting, stacking and testing

    • Electric actuator switches can use latching, momentary, reed, or solid state mechanisms to trigger an actuator, with the best choice often depending on install location and environmental conditions.

  • Controllers and mounting equipment for electric actuators give precise control over the exact function and positioning of your actuator devices across a wide range of industrial and domestic systems.