Our company is special manufacture company to make of hysteresis synchronous motor that used for fancoil, damper, zone valve(2/3way valve)the hysteresis synchronous motors have characteristics that the motors with magnetism operate when to supply electricity,the motor with loss magnetism counter rotate when to force from outside after electrictiy stop we is accredited ISO9001, some of our products has been qualified of certification of UL, CSAintroduce our productsrated voltage : 24V, 115V, 220V, 230V power consumption : 5~7Wtorque : 800 ~2,400 g.&＃13213;rated frequency : 50/60HzRPM: 3, 5, 6 RPMif users want other specification of motor,we can make of color/length of lead wire, specification of output gear, voltage, RPM, etc