... steel wire, thickness 2.8mm.9. Electrical motor, national-grade aluminum alloy frame motor, 380V, 1.1KW, 50Hz, 3-phase, ... F, efficiency 90%, top/foot mounted, certification, CCC&CE.(motor can be supplied as demand)10. V-belt, A type ... belt,11. V-belt pulley , motor side, diameter 95 mm , shaft hole size 14mm , material, ... , 2 year , the whole machine. swung drop hammer shutter exhaust fan