195,00 €  (excl. VAT) 
237,90 €  (incl. IVA) 
quantità disponibile: 8 
The LightDuty (LD) series of Glideforce linear actuators by Concentric International (formerly Iowa ExportImport) are 12V DC gearmotors that use a worm drive to move a shaft back and forth along its length. The worm drive ensures that the shaft will hold its position even when unpowered and subjected to static loads up to 250 kgf [550 lbs or 2500 N]. Two limit switches safely stop the motor at either end of its range, while integrated diodes allow it to reverse direction after reaching a limit point if the supplied voltage is reversed. The actuators have an allaluminum frame and extension tube, and the entire case is sealed to protect against dust and water (rated IP65).
These actuators are available in several gear ratios and a variety of stroke lengths, from 2â€³ to 12â€³, and with optional potentiometers that are linked to the shaft position, for use in feedback systems. The table below shows all of the lightduty linear actuators we carry:
Actuator Type 
Max Dynamic Load 
NoLoad Speed @ 12 V 
MaxLoad Speed @ 12 V 
Current Draw @ 12 V 
Nominal Stroke Length 
With Feedback 
Without Feedback 

LightDuty (LD) 5:1 
15 kgf [34 lbs] 
4.4 cm/s [1.7â€³/s] 
3.6 cm/s [1.4â€³/s] 
1.2 A – 3.2 A 
4â€³  LACT4P12V05  LACT412V05 
12â€³  LACT12P12V05  LACT1212V05  
LightDuty (LD) 10:1 
25 kgf [55 lbs] 
2.8 cm/s [1.1â€³/s] 
2.3 cm/s [0.9â€³/s] 
1.2 A – 3.2 A 
2â€³  LACT2P12V10  LACT212V10 
4â€³  LACT4P12V10  LACT412V10  
6â€³  LACT6P12V10  LACT612V10  
8â€³  LACT8P12V10  LACT812V10  
10â€³  LACT10P12V10  LACT1012V10  
12â€³  LACT12P12V10  LACT1212V10  
LightDuty (LD) 20:1 
50 kgf [110 lbs] 
1.5 cm/s [0.57â€³/s] 
1.2 cm/s [0.48â€³/s] 
1.2 A – 3.2 A 
2â€³  LACT2P12V20  LACT212V20 
4â€³  LACT4P12V20  LACT412V20  
6â€³  LACT6P12V20  LACT612V20  
8â€³  LACT8P12V20  LACT812V20  
10â€³  LACT10P12V20  LACT1012V20  
12â€³  LACT12P12V20  LACT1212V20 
Mounting brackets made from machined aluminum or stamped steel are available for attaching the actuators to a structure; two are required for each actuator (the aluminum brackets are sold individually while the steel brackets are sold in pairs).
Glideforce LACT12P12Vx LightDuty Linear Actuator with Feedback: 12â€³ Stroke. 

The following specifications apply to all Glideforce LD series linear actuators:
For more details, see the LD series datasheet (637k pdf).
Diagrams of the linear actuators are shown below. The versions that include potentiometers have a larger gearbox, so their overall size and weight is larger. For more detailed information, including the retracted and extended lengths of each version, see the datasheet.
Dimensions of Glideforce LD linear actuators with feedback. Units are mm. 

Dimensions of Glideforce LD linear actuators without feedback. Units are mm. 

Glideforce LACT4 lightduty linear actuator (4â€³ stroke) with shaft fully extended. 

To testdrive the actuator, simply connect a power source of up to 12 V to the motor leads. Reversing the applied voltage will reverse the direction of motion. A motor controller or motor driver is required for electronic speed and direction control. We recommend our Jrk G2 21v3 or Jrk G2 24v13 motor controllers for use with the feedback actuators (see below for more information on this) and the Pololu Simple Motor Controller 18v7 for controlling the actuators without feedback, though many of our other motor controllers and motor drivers are capable of powering this actuator.
These actuators have a stall current of 7 A at 12 V, but they will, on average, draw far less than this when used within their load ratings. They draw around 1 A with no load and can exceed 3 A at their maximum rated dynamic load, so we have found they generally work well with our lowerpower jrk 21v3 motor controller with feedback (see the bottom of this page for more information using this controller for closedloop linear actuator position control). Note, however, that the actuators can briefly draw close to their full stall current when abruptly started or on a sudden change of direction. Such current spikes can be dampened if you take steps to limit the acceleration of the actuator (many of our motor controllers offer optional acceleration limiting).
Actuators with feedback have a 24â€³ (60 cm) cable that is terminated with special female connectors as shown in the left picture below, one for the three potentiometer leads and another for the two power leads. These connectors match male versions on the extension cable for LD linear actuators. Actuator versions without feedback have a 36â€³ (90 cm) cable with two unterminated, stripped power leads as shown in the right picture below. Linear actuators without feedback do not have cables that are compatible with the linear actuator extension cable.


Connecting a lightduty linear actuator with feedback to a Jrk 21v3 motor controller. 

The feedback features of our Jrk G2 Motor Controllers make them a great solution for precisely controlling our linear actuators with feedback. In particular, we recommend the Jrk G2 21v3, which is also available with connectors soldered, or the more powerful Jrk G2 24v13 for applications with loads close to the upper limits of what the actuator is rated for. Our settings file for the Jrk G2 configuration utility makes setup easy, eliminating the need to tune the PID constants. To get started, follow the steps below:
Note: These same settings files will work also with the Jrk G2 24v13 if you open them with a text editor and change the “product” field near the top from “21v3” to “24v13”.
Glide force ID, MD, and LD linear actuators with 6â€³ strokes next to their corresponding aluminum and steel mounting brackets. 

We carry a variety of Glideforce linear actuators, from the lightduty LD series through the industrialduty ID series. The table below shows our full offering of these linear actuators:
Actuator Type 
Max Dynamic Load 
NoLoad Speed @ 12 V 
MaxLoad Speed @ 12 V 
Current Draw @ 12 V 
Nominal Stroke Length 
With Feedback 
Without Feedback 

LightDuty (LD) 5:1 
15 kgf [34 lbs] 
4.4 cm/s [1.7â€³/s] 
3.6 cm/s [1.4â€³/s] 
1.2 A – 3.2 A 
4â€³  LACT4P12V05  LACT412V05 
12â€³  LACT12P12V05  LACT1212V05  
LightDuty (LD) 10:1 
25 kgf [55 lbs] 
2.8 cm/s [1.1â€³/s] 
2.3 cm/s [0.9â€³/s] 
1.2 A – 3.2 A 
2â€³  LACT2P12V10  LACT212V10 
4â€³  LACT4P12V10  LACT412V10  
6â€³  LACT6P12V10  LACT612V10  
8â€³  LACT8P12V10  LACT812V10  
10â€³  LACT10P12V10  LACT1012V10  
12â€³  LACT12P12V10  LACT1212V10  
LightDuty (LD) 20:1 
50 kgf [110 lbs] 
1.5 cm/s [0.57â€³/s] 
1.2 cm/s [0.48â€³/s] 
1.2 A – 3.2 A 
2â€³  LACT2P12V20  LACT212V20 
4â€³  LACT4P12V20  LACT412V20  
6â€³  LACT6P12V20  LACT612V20  
8â€³  LACT8P12V20  LACT812V20  
10â€³  LACT10P12V20  LACT1012V20  
12â€³  LACT12P12V20  LACT1212V20  
MediumDuty (MD) 
100 kgf [225 lbs] 
1.5 cm/s [0.58â€³/s] 
1.0 cm/s [0.41â€³/s] 
1.1 A – 4.6 A 
4â€³  MD122004P  MD122004 
6â€³  MD122006P  MD122006  
8â€³  MD122008P  MD122008  
10â€³  MD122010P  MD122010  
12â€³  MD122012P  MD122012  
IndustrialDuty (ID) with Acme screw drive 
250 kgf [550 lbs] 
1.7 cm/s [0.66â€³/s] 
1.4 cm/s [0.56â€³/s] 
2.4 A – 13.2 A 
4â€³  LACT4500APL  LACT4500AL 
6â€³  LACT6500APL  LACT6500AL  
8â€³  LACT8500APL  LACT8500AL  
12â€³  LACT12500APL  LACT12500AL  
18â€³  LACT18500APL  LACT18500AL  
24â€³  LACT24500APL  LACT24500AL  
IndustrialDuty (ID) with ball screw drive 
450 kgf [1000 lbs] 
1.7 cm/s [0.66â€³/s] 
1.4 cm/s [0.56â€³/s] 
2.4 A – 13.2 A 
4â€³  LACT41000BPL  LACT41000BL 
6â€³  LACT61000BPL  LACT61000BL  
8â€³  LACT81000BPL  LACT81000BL  
12â€³  LACT121000BPL  LACT121000BL  
18â€³  LACT181000BPL  LACT181000BL  
24â€³  LACT241000BPL  LACT241000BL 
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