Y818A, 50 Hp, 1800 Rpm, 326T FR, 230/460 Vac, 3 PH, Aggregate Duty, High Torque, Totally Enclosed, Rigid Base, 326TTFC6633. Engineering Data Output HP : 50 HP Output KW : 37.0 kW Frequency : 60 Hz Voltage : 230/460 V Current : 116.0/58.0 A Speed : 1780 RPM Service Factor : 1.15 Phase : 3 Efficiency : 94.5 % Duty : Continuous Insulation Class : F Design Code : C KVA Code : G Frame : 326T Enclosure : Totally Enclosed Fan Cooled Overload Protector : No Ambient Temperature : 40 °C Drive End Bearing Size : NU312 Opp Drive End Bearing Size : 6311 UL : Recognized CSA : Y CE : Y IP Code : 55 Technical Specifications Electrical Type : Squirrel Cage Inverter Rated Starting Method : Part Wdg Start & Wye Start Delta Run Or Inverter Poles : 4 Rotation : Reversible Mounting : Rigid Base Motor Orientation : Horizontal Drive End Bearing : Roller Opp Drive End Bearing : Ball Frame Material : Cast Iron Shaft Type : T Overall Length : 33.86 in Shaft Diameter : 2.125 in Shaft Extension : 5.25 in Assembly/Box Mounting : F1/F2 CAPABLE