... and buttonholing 3)1425/1725RPM 4)CE/ROHS/CCC 1.Ac Three Phase Induction Motor,three phase is also available2.With ... low noise,large power, big start torque,good performance,reliable running,etc.3.Can be widely used in button attaching,buttonholing ... (HZ)Rotary speed(RPM)YL-4824220250501425YL-4834220400501425YL-4824110/220250601725YS-4824380370501425 Ac Three Phase Induction Motor(CE/CCC)