Single-phase 220v 0.4-3.7kw Three-phase 380v 0.75-400kw Mostly product specialty 1.Technology of space vector control,V/F control 2.Function of automatic lift of torque,output of low frequency huge torque. 3.Adjustable carrier frequency,mute operation 4.Diversified control manners,powerful universality 5.Set-in brake unit,shut down quickly 6.Set-in PID regulation function,simple closed loop control 7.Set-in RS-485 joint,available to be controlled together with internet. 8.Function of time accumulation,able to show the operation time for single phase,and accumulating the operation time 9.32-bit electric motor controls special micro-processor,the frequency resolution is up to 0.01Hz. Contactor:Sonic Zhao .cn