Pool Pump Motor, PSC, Open Dripproof, 3/4 HP, 3450 Nameplate RPM, 56J NEMA/IEC Frame, CCWSE Rotation, Voltage 115/230, 12.0/6.0 Full Load Amps, 1 Phase, 60 Hz, Face Mounting, Double-Sealed Ball Bearings, Black, Flange Material Cast-Iron, Shaft Threaded 7/16-20 UNF-2A RH 11/16 In. From End, Shaft Material 303 Stainless Steel, Thermal Protection Auto, 1.50 Service Factor, Ambient Temperature 50 Degrees C, Shaft Dia. 5/8 In., Shaft Length 2-9/16 In., Insulation Class B, Efficiency Group Standard RestrictionsNote: Must equal or exceed service factor and HP for proper replacement. 1-Phase Face-Mount Open Dripproof Pool Pump MotorsMotors are equivalent replacements for most popular pool and spa pump manufacturers' pumps. Sealed switch design prevents water infiltration. Moisture/heat-resistant bearing lubricant. 56C frame shaft: keyed steel, 5/8" dia. x 1-7/8"L with 3/16"W keyway. 56J frame shaft: 303 stainless steel, 7/16-20 UNF-2A RH threaded 11/16" from end.All motors are UL Recognized and CSA Certified.Insulation: Class B Thermal protection: auto Bearings: ball Rotation: CCWSECentury