... power, and electric characteristic comply with China National Standard GB755-2000 Ration and Performance for Rotating Electrical Machines ... lower vibration, high reliability, easier maintain, and other advantages.Standard: GB755-2000, JB/T10444-2004, IEC60034Advantages: higher efficiency, ... frame: cast ironType of cooling: IC411, IC416;Usage: machine tools, water pumps, blowers and compressors as well ...