铸铝蜗壳抗静电塑料叶轮***直流无刷电动机防震结构双滚珠轴承绝缘等级：F级安装方向需垂直于支撑零件Die-castaluminumhousing;Conductiveplasticimpeller;ECMotor;Motoranti-vibrationmounted.Ballbearingontwosides;In.classF;Mountingposition:Verticalinstallationtosupport.)