... -rust, 3.Low energy consumption 4.CE certificate Model:DL1380 50''Fan size1380mm×1380mm×1300mmAirflow51020m3/hFrameHot galvanized sheet, high anti-corrosive ... ,Other motor accordingly, IP 55Motor techenical data1.1Kw 380 V 50 Hz three phase 1.3Kw 380 V 60Hz three phase1 ... alloyBig belt pulleyAluminium alloyMotor base:Both 1.5HP and 1 HP motors can be installedMotor holeInstallation hole of motor and nut ...