Motorised Linear Actuator

Laser 2000 supplies the complete Zaber range of motorised linear actuators — precision-engineered positioning devices that deliver sub-micron repeatability with a simplicity that rivals any plug-and-play peripheral. Whether you are replacing a manual thumb screw in a tight optical setup, automating a fibre coupling stage, or scaling to a 99-device daisy-chained system, the right motorised linear actuator is here.

What Makes a Motorised Linear Actuator Different?

A motorised linear actuator converts the rotation of a stepper or servo motor into precise linear displacement — extending or retracting a shaft with repeatable, controlled accuracy. Unlike industrial linear actuators designed for heavy push-pull loads in furniture or automation, photonics-grade motorised linear actuators are optimised for positional resolution, low backlash, and compatibility with optical hardware including cage systems, mirror mounts, and breadboards.

All Zaber motorised linear actuators available from Laser 2000 feature:

• Built-in controller on most models — no separate rack-mounted controller required, dramatically simplifying bench setups
• Daisy-chaining up to 99 devices on a single USB or serial connection — one cable to control an entire multi-axis system
• Motor encoders (on encoder-equipped variants) for slip/stall detection, position verification, and closed-loop confidence
• 1 µm repeatability — accurate enough for demanding optical alignment, fibre coupling, and interferometry applications
• Threaded M4/M6 mounting tips compatible with standard optical hardware

Choose the Right Model for Your Application

Why Choose Laser 2000 for Motorised Linear Actuator?

As the UK’s dedicated photonics distributor, Laser 2000 provides the Zaber range with UK pricing, stock, and specialist application support. Our photonics engineers can advise on actuator selection, mounting compatibility, and multi-axis system design — from a single actuator to a fully automated positioning platform.

Need to go beyond a single axis? Explore our full precision motorised linear stages range to build complete XYZ systems.

Want to understand the technology in depth before you buy? Read our Complete Guide to Motorised Linear Actuators →

Frequently Asked Questions

What is a motorised linear actuator? A motorised linear actuator is a device that uses an electric motor — typically a stepper or DC servo motor — to produce precise, controllable linear motion. It converts rotational motor output into a push or pull movement along a single axis, with position controlled via software.

How accurate are motorised linear actuators? Accuracy varies by design. Zaber’s range offers repeatability of 1 µm, meaning the actuator returns to a set position within one micrometre after repeated moves — sufficient for most photonics alignment and microscopy applications.

Can I control multiple motorised linear actuators from one computer? Yes. Zaber actuators support daisy-chaining up to 99 devices on a single USB connection. Each device has a unique address and responds to individual move commands, enabling full multi-axis control without additional hardware.

What is the difference between a motorised linear actuator and a motorised linear stage? An actuator is a single-axis positioning element, typically used to drive existing hardware such as a mirror mount or thumb screw. A linear stage includes an integrated carriage and rail, providing a complete translation platform for loads. Browse our motorised linear stages if you need a full-carriage solution.