Axial Fan Motor (200mm series) Using life reaches above 30000 hours. Type Selection:High Temperature Type,Conventional Temperature Type and Low Temperature Type. ----CCC CE certification ----Class F Insulation ----Low Noise ,power save MODEL VOLTAGE V FREQUENCY HzCURRENT AINPUT WSPEED r/minAIRVOLUME M3/hNOISE dBACAPACITANCE µFAPPROX.WEIGHT kgLECENSEYWF2D-200380500.1865250085066--2.3CCC CEYWF2E-200220500.36702550850661.52.3CCC CEYWF4D-200380500.1530145045053--2.3CCC CEYWF4E-200220500.22301400400531.52.3CCC CE