Get In Motion Spotlight: Actuators

2 min read

Engineering Support Manager, John Williams, breaks down the differences of each MISUMI linear actuator for your selection.
He reviews the below series of actuators:


The RS actuator series, which is an out-of-the-box ready-to-go solution. It has a built-in motor, and the package includes the driver and all the software needed for programming, making it an ideal option for those looking for a plug-and-play solution.


LS actuator – this is MISUMI’s economy model. It is made from modified versions of standard MISUMI components and is identifiable by the gold motor mount bracket on the end. The LS actuator is ideal for applications that require lower precision and repeatability but need the lowest cost actuator available on the MISUMI website.


LX actuator – this is a solid steel U-channel construction and the most rigid unit that MISUMI offers. It is suitable for very high precision applications, typically three to five-micron repeatability or better, with appropriate motors and controls. The LX actuator comes in sizes ranging from 15mm to 45mm, with options for covers, strip seals, or sensors, motor connectors, and motor wraps.


The MSA series – is suitable for long strokes or high speeds. It is a belt drive actuator that comes in various styles, including linear guides, round shaft supports with bushings or roller followers, or just a belt drive if you already have linear guide supports and only need thrust. The MSA series can achieve speeds of up to 15 meters per second and lengths of up to six meters as a standard length, with custom options available for longer strokes.


The KU actuator, which comes in different styles with different ball screw options. It is built using standard MISUMI components and comes on an extruded aluminum base. The KU actuator is wider than other units that MISUMI offers, making it suitable for higher load and higher moment capabilities.

Watch below!

About the Author

Carlicia Layosa

Carlicia is the Marketing Automation Manager at MISUMI. She holds a bachelor's degree in Mechanical Engineering and a master's degree in Energy Engineering from the University of Illinois at Chicago. She is a Certified SOLIDWORKS Associate, Marketo Certified Expert, and is passionate about education and training.

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