1、Come with limit switch, when the telescopic rod runs to the end or to the top, it will automatically stop to ensure that the motor will not burn out 2、Components adopt closed box design, effectively reduce noise and extend motor life 3、Motor electric putter is ideal to replace hydraulic and pneumatic putter 4、Can also be controlled by computer, easy to realize automation, save energy consumption 5、Nylon gear structure inside, can be used for ships, automobiles, industrial machinery, automobiles, window Item Type: Motor Electric Putter Motor Power: 30W Standard Stroke: Approx. 100mm / 3.9in Standard Installation Size: L=S(stroke) + approx. 105mm / 4.1in Load Capacity: 300N (30kg load) No-Load Speed: 10mm/s Work Efficiency: 10% Ambient Temperature: -5℃ ~ +50℃ Protection Level: IP45 The built-in limit switch is not adjustable after leaving the factory Low noise design, DB<53 There is a nylon gear structure inside Uses: Boats, automobiles, industrial machinery, automobiles, window Instructions: The putter cannot be overloaded. Overloading will affect the service life of the motor. The thrust should be selected higher than its own thrust DC putter motor uses positive and negative pole conversion, "+" extend, "-" retract The putter moves in a straight line The upper and lower holes of the putter are for installation 1 x Motor Electric Putter