... and structure,high efficiency, 100% output , full copper wire Three phase electric motorSpecifications:1) Frame sizes: 1602) Rated power: 7.53 ... /V,380/440V,380/660V4) Frequency: 50Hz, 60Hz,50/60Hz5) Protection class: IP556) Insulation class: F7) Materials: cast iron, aluminum (FRAME ... 2) Frame 132-315: wooden boxes Y2 series 4 pole 3 phase asynchronous motor