... 50Hz 4.Output Speed:5r/m Feature of HH - AD24 ac/dc rolling door motor ·attractive appearance, advanced structure, horsepower strong;·Configuration ... and environmental protection lighting, delay cabin for 3 minutes. 500kg AC/DC Rolling Door Motor:1.Low noise, small vibration.2.long ... life.3.Reserve power supply Function BriefHH - AD24 ac/dc rolling door motor is the new develop product of our ...