Electric Linear Actuators UK – 2026 Selection Guide
16 August 2026
Compare electric linear actuators in the UK. Explore types, IP ratings, thrust, and power options for industrial and home automation. Expert guidance.
What Is an Electric Linear Actuator?
An electric linear actuator converts the rotary motion of an electric motor into straight-line push or pull. Available in rod-style or rodless designs, these units are fundamental to automation across British manufacturing, agriculture, and home engineering. They can be driven by AC mains, 12V or 24V DC, and often incorporate a lead screw or ball screw to generate force. In the UK, they are used in everything from loft ladder automation and adjustable desks to heavy-duty farming machinery like grain chutes and piglet creep feeders. Understanding the core components – motor, gearbox, screw, and limit switches – helps you specify the right unit for a durable, maintenance-free solution.
Choosing Between 12V, 24V and Mains-Powered Actuators
UK homes and factories typically supply 230V AC, but low-voltage 12V/24V DC actuators remain popular for safety and portability. Mains-powered (230V AC) actuators provide high thrust without a transformer and are ideal for industrial doors, ventilation dampers, and process automation. However, low-voltage units are safer for DIY projects, motorhomes, marine use, and battery-backed solar tracking. In the UK, many suppliers offer UK-plug transformers and power supply units that step down to 24V or 12V. Consider the distance from the power source: low voltage suffers voltage drop over long cable runs, so keep wiring short or choose a higher voltage for convenience.
IP Ratings: Essential for British Weather
The UK's wet climate demands careful attention to Ingress Protection (IP) ratings. An IP65 actuator is fully dust-tight and protected against low-pressure water jets, making it fine for sheltered outdoor use. For exposed positions – such as greenhouse roof vents, exterior gates, or agricultural equipment – choose IP66 or IP67. IP67 offers temporary immersion in water, which suits flood-prone sites. Many top UK brands, including Thomson, Linak, and Actuonix, clearly state IP ratings. Don't overlook the IP rating of the mating connectors or cables – a waterproof actuator with a dry connector defeats the purpose. Always check the matching controller's rating too.
Thrust, Speed and Duty Cycle Explained
Three figures dominate electric linear actuator performance: thrust, speed, and duty cycle. Thrust is measured in Newtons (N) or kilograms (kg); for UK customers, a 500N unit lifts roughly 50kg. Speed is typically quoted in mm/s – common values are 5mm/s to 50mm/s. Duty cycle is the percentage of time an actuator can run within a 10-minute period under load. For example, a 25% duty cycle means 2.5 minutes on, 7.5 minutes off. In British industrial settings, frequent operation demands a ball screw actuator with a higher duty rating, while occasional use – like a skylight opener – suits a lower-duty lead screw. Over-specify thrust to ensure long life.
Where to Buy and What to Pay in the UK
UK engineers source electric linear actuators from specialist distributors like RS Components, Motion Control Products, and Progressive Automations UK. For lower-cost options, Amazon UK and eBay host branded and unbranded units, but verify the seller's technical support. Standard 12V units with 1000N thrust start around £40–£70; heavy-duty IP67 models with Hall feedback exceed £200–£400. For bespoke stroke lengths, many UK suppliers offer custom machining or build to order. Remember to factor in VAT (20%) and delivery. Trade counters in industrial estates often have off-the-shelf actuators, but online suppliers generally offer better specification transparency and warranty terms.
FAQ
A typical lead-screw actuator with a 20% duty cycle might last 1,000 to 2,000 hours of running time. Heavy-duty ball-screen units can exceed 10,000 hours. In the UK, a well-sealed actuator used 10 minutes per day could operate for 15–30 years. Maintenance, environmental conditions, and load affect lifespan.