Specifications:High speed roller door motorJG-K501: 1.Concealed design, low noise, high elevating speed (20cm/s),convenient installation and maintenance.2. Reliable, high secrecy by adopting the rolling code technique.The max remote control distance is more than 100 meter without obstacle.3. Available for connecting to manual switch ,convenient for your choice.4.While meeting obstructon,the door stops moving upward or rebounds if it is closing down.The resistance intensity can be adjusted.5.Operating indicator light is on when the door is operating.6.The opener can be set time to automatical shutdown under the status of entire open of the door .The shutdown function is off when it releases the factory.7. Available for connecting to alarm and infrared dectector .MainTechnical Parameter:ItemTechnology SpecificationItemTechnology SpecificationInput electric powerAC 220V±10% 50-60HZElevating speed15-20cm/sMax input power150WMax available door size12 m2Operating temperature-15 +40 degree centigradeMax available door height<3.5mDirect current motorDC 24VMax elevating weight35kgRemote control battery12V/27ADistance of remote control≥50m