Industrial door opener Features 1,Compact structure and light weight. 2,Powerful starting torque. 3,Quiet and stable operator. 4,Oil immerged gear reducer. 5,Thermal protection motor 6,Manual override in case of power failure. 7,Wirng terminals for button switch,pressure sensor and infrared photocell. 8,Remote distance up to 30 meters. ***************************************** Technical Specification Mdel:KG50S/KG400S Powersupply:380V50Hz Motor speed:1400rpm Rated power:35W/1200W Rated torque:60N*m/400N*m Barrel diameter 25.4mm/40mm Continueous working:12times/10times Motor weight:14Kg/50Kg