Linear actuators


Powerful actuator designed for care beds. Ideal for leg support and backrest. Robust construction design (6,000 N push/4,000 N pull).


The LA27 is a powerful actuator designed for applications, such as homecare beds. The actuator LA27 is developed for both push and pull applications, and has a very robust construction thanks to the ultrasonic welded plastic housing.

The actuator LA27 comes with a plug for connecting the exchangeable cable with a mini-fit connector. This allows you to order standard actuators and combine them with different cable lengths. Because of the built-in signal switch and the special plug in the LA27, it is only compatible with the CB6 control box. The actuator LA27 has a small standard program where only a few standard lengths and built-in dimensions are available.

LA27 data sheet

View the data sheet as an online magazine or download the PDF.

Linear actuators and electronics user manual

This user manual will tell you how to install, use and maintain your LINAK electronics. We are sure that your LINAK system will give you many years of problem-free operation.

Focus on floor beds

Beds can be constructed with an ability to be lowered almost to floor height. For the end-user this lowering function means prevention of accidents to hospital patients and elderly people.

Focus on stretchers

Full functionality, battery power and comfort for mobile applications. LINAK provides a system solution for stretchers, bed trolleys and other mobile applications.

Focus on healthcare beds

When looking for ways to make people in need of care more independent, the bed is an obvious place to start. LINAK offers the perfect fit into various constructions for healthcare beds.

Safety folder

Different applications need different safety features. Regardless of what healthcare application you are designing, LINAK offers a wide variety of standard and optional safety features.

How do linear actuators work?

A common type of linear actuator is an electric linear actuator. It is made up of three main components: spindle, motor and gears. The motor can be AC or DC depending on the power needs and other influencing factors.

Once a signal is sent by the operator, which can be through a control as simple as a button, the motor converts the electric energy into mechanical energy, rotating the gears connected to the spindle. This rotates the spindle and causes the spindle nut and piston rod to travel outwards or inwards depending on the signal to the actuator.

As a rule of thumb, a high thread count and smaller spindle pitch will cause slow movement but a much higher load capacity. On the other hand, a low thread count, and higher spindle pitch, will favour fast movement of lower loads.

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What are the different types of electric linear actuators?

There are many types and sizes of electric linear actuators. From small and compact that fit into tight spaces, such as in wheelchairs, to large and powerful to move heavy items like a wheel loader engine hood. In addition to size and power, there are also many different designs of electric linear actuators.

The original design has a motor housing that is outside of the gear and spindle profile. But when space is limited, an inline actuator is used so that the motor only extends the shape of the profile. For desks and some medical applications, lifting columns are used for an inline motor housing with two and three-stage options.

Since the founder and CEO of LINAK, Bent Jensen, made his first electric linear actuator in 1979, the company has continued to develop new actuators and refine the innovative technology behind them to improve movement solutions for several industries.

LINAK designs and manufactures many types of linear actuators and lifting columns with various speeds, stroke lengths, and capacities. From the compact, inline LA20 to the robust LA36, LINAK actuators are built to fit almost any application.

With an almost endless list of customisation options to help design an actuator specifically to fit unique applications, the range of LINAK actuators is even greater than the vast product range listed.

LINAK products

What is a linear actuator?

A linear actuator is a device or machine that converts rotational motion into linear motion and linear movement (in a straight line). This can be done through electric AC and DC motors, or the movement could be powered by hydraulics and pneumatics.

Electric linear actuators are a preferred option when precise and clean movement is needed. They are used for all types of applications where tilting, lifting, pulling or pushing with force is needed.

LINAK business areas


Move on - go electric!

Learn about the advantages of actuator solutions compared to hydraulic systems.

Online Magazine


What is a linear actuator used for?

Actuators can be found anywhere, in homes, offices, hospitals, factories, farms, and many other places. Our electric actuators bring movement to the office and home with adjustable options for desks, kitchens, beds, and couches. In hospitals and medical centres, you will find actuators adding movement to hospital beds, patient lifts, surgery tables and more.

For industrial and rugged environments, electric linear actuators can replace hydraulic and pneumatic solutions found in agriculture, construction, and in industrial automation equipment.

LINAK business areas

Why use a linear actuator?

Electric linear actuators increase efficiency and give users precision movement through a variety of control options and accessories. Control options for electric linear actuators include handsets, footswitches, desk controls, computer software, mobile apps and much more.

With no need for hoses, oils, or valves, electric linear actuators require no maintenance and create a safe environment for users. High-quality electric actuators are also put through a variety of tests that push the actuators to extremes. This is done to ensure optimal performance at any given time in any situation. They are also designed, along with their accessories, to be easily mounted and installed in a variety of applications,

making it easy for anyone to add precision movement where they need it. Being electric enables the addition of smart features like CAN bus (LINAK offers CAN SAE J1939 and CANopen for actuator controls). Integrated Controller (IC) solutions can provide various position feedback options, virtual limits, soft start and stop, current limitation, and adjustable speed.

Assembling a single actuator system

How to assemble a single actuator system

The system consists of:
Single actuator(s)
1 x Switch Mode Power Supply
1 x CBH Advanced
1 x Bluetooth® hand control
1 x Bluetooth® Adapter

  1. Connect single actuators in channels 1-2 to control adjustment of, for example, backrest and leg support. (With the 3-channel CBH Advanced; the 3rd channel can also be used for an actuator)
  2. Plug the DC cable into the CBH Advanced
  3. Plug the Bluetooth® Adapter into the CBH Advanced
  4. Connect to the mains
  5. Pair the hand control (press the two top buttons simultaneously)
  6. The system is now ready for setup

Assembling a single actuator system with massage motors

How to assemble a single actuator system with massage motors

The system consists of:
Single actuator(s)
Massage motor(s)
1 x Switch Mode Power Supply
1 x CBH Advanced
1 x Bluetooth® hand control
1 x Bluetooth® Adapter

  1. Connect single actuators in channels 1-2 for back and leg adjustment
  2. Connect massage motors in channels 3A and 3B
  3. Plug the 2-pole DC cable into the CBH Advanced
  4. Connect the other end of the cable to the SMPS and connect the mains cable
  5. Connect to the mains
  6. Plug the Bluetooth® Adapter into the CBH Advanced
  7. Pair the hand control
  8. The system is now paired and ready for use

Create a system with the TD4 Advanced and the CBH Advanced combined

How to connect a system with the TD4 Advanced and the CBH Advanced

The system consists of:
1 x TD4 Advanced
1 x Switch Mode Power Supply
1 x CBH Advanced
1 x 2-poled DC cable
1 x Serial cable
1 x Bluetooth® hand control
Single actuator(s)
2 x screws

  1. Place the CBH Advanced onto the TD4 Advanced & use two screws to fasten it
  2. Plug the serial cable into the TD4 Advanced and channel A1 on the CBH Advanced
  3. Plug a 2-pole DC cable into the TD4 Advanced and channel DC on the CBH Advanced
  4. Connect the SMPS to the TD4 Advanced
  5. Connect single actuators in channels 1 and 2 for adjustment of, for example, neck rest and foot rest.
  6. If needed, connect massage motors in channels 3A and 3B
  7. Connect to the mains
  8. Pair the hand control (press the two top buttons simultaneously)
  9. The system is now ready for setup

Initialising a single actuator system

How to initialise a single actuator system

  1. Connect to the mains
  2. Actuators must be in inner position
  3. Press the "down" button of the actuator on the hand control for approx. five seconds
  4. The actuator now initiates and can drive outwards
  5. Repeat this for each actuator by pressing the matching "down" button on the hand control
  6. The actuator system is now initialised

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