A B Bearings: Ball , Duty Cycle: Continuous , Frame: 215T , Frame Material: Cast Iron , Green Certification or Other Recognition: NEMA PremiumR Rated , Hazardous Location Class: 1 A,B,C,D , Hz: 60 Hz , Inverter Rated: Yes , Max. Ambient Temp.: 40 Deg. C , Motor Design: 3 phase , Motor Mounting Position: Horizontal , Motor Shaft Design: Keyed , Motor Thermal Protection: None , NEMA Design: B , Number of Speeds: 1 , Phase: 3 , Service Factor: 1.15 , Shaft Dia.: 1 3/8" , Shaft Length: 3 3/8" , Temp. Code: T2B , Warranty: 1 yr.