microcomputer control, full serial communication,with high quality and good price 32 bit microcomputer control and full serial ... frequency conversion control,accurate andadjustable speed, comfortable,energy saving and high efficiency.Rated volcity:≤4.0 m/s Rated floor:≤32 ... for single phase,AC360-440V 50/60HZ for phase 3.Inverter:YASKAWA,FUJI,EMERSON,SIEI Safety standard:GB7588-2003 EN81-1Outline ...