... Current 6.5A Frequency 50Hz/60Hz Fan Type axial flow Motor Type 3-phrase,2-speed Usable Area 150 ... one 40' HQ, about 60sets) Features Shell: new-type reinforced engineering PP plastic,strong,ageing resistant, UV-cut. ... Aluminum sealed motor: 3-phase, 2-speed; self-cooling type, high efficient, energy saving, low noise, small vibration, ... is a little higher. plastic axial evaporative air cooler, 30000CMH