... have some key advantages over high efficiency, energy saving, low noise, vibration, high starting torque, high reliability, security, easy maintenance, ... Series-YVF2 3phase Frequency Conversion Series-YVF2 motor is frequency control of motor speed, 3phase asynchronous motor. Usually worked ... and 7N-m @ 4200 rpm,4. HP:- 3.536hP,5. Control:- Variable frequency drive, 6. Others: - IP55 seal or higher, ...