1.Compact structure,Reliable operation,Low noise,Energy saving and High efficiency 2.Long life 3.CCC,CE,VDE,RoHS 1,YWF series axial fan motors are external rotor fan motors with the characteristics of compact structure, convenient installation, reliable operation, low noise, energy saving and high efficiency. 2,They are divided into singlephrase asynchronous capacitor fan motor and threephrases ...