Lifting motor Asynchronous squirrel cage motor (Synchronous speed reaches up to 3000rpm) Two-speed pole changing or frequency conversion for stepless speed control Heavy duty, cyclic duration: 60% ED Protection class: IP55, Insulation class: F Lifting Reducer Aluminum shell, light dead weight and good sealing condition Semi-fluid grease lubrication, life cycle design, maintenance free Helical gear with hard tooth face Lifting brake DC Electromagnetic disc brake Self-adjusting brake pad, self-compensation wear, alarm when the brake pad is not thick enough