... Ration and Performance for Rotating Electrical Machines, Industrial Standard JB/T10444-2004 Technical condition of Y2 ... vibration, high reliability, easier maintain, and other advantages.Standard: GB755-2000, JB/T10444-2004, IEC60034Advantages: higher efficiency ... Usage: machine tools, water pumps, blowers and compressors as well as transportation, mixture, printing, agricultural machines and food ...