... 4.Frequency:50hz&60hz two flanges Three phase elelctric motor double shaft is totally enclosed fan cooled (TECL) three phase ,squirrel ... of various machineries, such as machine tools, blowers, pumps, compressors, gear boxes,transporters, agricultural and food processing.Operating Conditions Rated voltage ... level. Relative humidity: less than 90% . three phase elelctric motor double shaft