industrial door opener is featured with compact structure, safe and reliable performance. safety, reliable Main technical parametersModelXSD3325XSD5038Power supply220V/50Hz380V/50HzRated torque30N.M50N.MMotor speed1400r/min1400r/minRated wattage1/3Hp1/2HpOutput dia.Φ25.4mmΦ25.4mmCanister speed32r/min32r/minWeight12kg12kgDimension370×230×100mm370×230×100mmThermal protection120120Main function1 . ...