... roller shutter motorJD series of rolling shutter door motors applied to shopping centers, warehouses, garages, theaters, hotels, banks, factories and other ... ,and the device can start again when the temperature dropped to 70 ° (after about 8min).MODEL RATED POWER RATED LOAD RATED ... LOAD Max height(m) (kg.f) outputtorque(n/m) outputspeed(r/min) 220V/50HZJD-300-1P 250 ...