... certification_type=intl_assessment1,PRODUCT OVERVIEW1),YWF series axial fan motors are external rotor fan motors with the characteristics of compact structure, ... operation, low noise, energy saving and high efficiency.2), External Axial Fan Motor For Air Conditioner are divided into singlephrase ... Motor with Aluminium cover and Plactic Cover. YWF6D-600 External Axial Fan Motor For Air Conditioner