Most Linear Actuators work under the same principal, and that is to convert rotary motion of a motor into Linear motion via a Leadscrew. This particular actuator is powered by a 12VDC brushed motor. It comes with built-in end of travel limit switches to prevent over extension and retraction, a standard feature for our products. Other main components will be the gearbox, lead-screw and acme drive nut that also engages the limit switch once it reaches its end of stroke position. The above pict...