1,High efficiency, Energy-saving 2,Low noise, Little vibration 3,Power supply 380V,660V,50/60Hz 4,Cooling ... to national standard with a squirrel-cage construction and a general application. Its frame central heightAdvantages:high efficiency, low energy ... agricultural and side-line products.Center height of frame size: 80-355Insulation class: B FProtection class: IP44Cooling method: IC411Environment ...