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