Type:Gear Motor Continuous Current(A):1~2A Commutation:Brush Torque:500N Model Number: 500mm / 50cm Stroke Protect Feature:Drip-proof Construction:Permanent Magnet Output Power:12~36W Efficiency:IE 2 Usage:Boat Speed(RPM):20mm/s Voltage(V):DC24V Rated power:20W Maximum 30W Permanent magnet DC motor drive;Voltage:12V,24V Standard protection grade:IP54 Material: aluminum alloy Application:Television console.couch for massage.Electric bed.Medical chair.Electric equipment .... The self-locking force of the linear actuator is about 80%