... -save,energe-save,technological improve 1.Three-phase asynchronous conversion motor.2.Max.relative humidity is 85%.3.Cricumstance temperature should ... must be provided when order1.Special type of YRCT series motor.2.Frolection degree and ventilate mode3.Source voltage4.Nature and ... load.5.Speed regulation ratioDetailed drawings is ok. YRCT Series Internal feedback speed motor