20 Inch 500MM Max 8000N Heavy Duty Adjustable-Stroke Linear Actuator with Adjustable Limit Switches (Model 0041545-3) 100mm linear actuator a2 with potentiometer you can change these two

you can change these two wires to change the rotating direction of motor

E03: The input power supply voltage is too low

Example for a linear actuator with a 1500 mm stroke:

This product can also be used as an alarm host

If you want to extend the distance between 4 linear actuator and synchronization controller

20 Inch 500MM Max 8000N Heavy Duty Adjustable-Stroke Linear Actuator with Adjustable Limit Switches (Model 0041545-3) 100mm linear actuator a2 with potentiometer you can change these twoThis is a heavy duty linear actuator with adjustable stroke and a standard stroke of 500 mm. It is equipped with two external magnetic switches that can slide freely, and by adjusting the position of these two magnetic switches, the linear actuator can be controlled to work within the set stroke length. For example, for a linear actuator with a stroke of 500mm, you can set it to move within a stroke range of 50mm to 470mm. Key Features: High quality