high efficiency eff1 aluminum motor 1.output:0.25hp-20hp 2.frequency:50hz/60hz 3.terminal box is movable ... HIGH efficiency three phase AC IE2 Electric motor1)Power:0.25hp-20hp2)Pole: 2P,4P,3)Frame: 63/71/80/90L ... validity. CE,UL,,CSA,MEPS,CCC,ISO9001 Approvals aluminum series motor