56J Switchless Pool Motors Two-Speed. High Speed Switchless, Low Speed Microswitch (internal start switches). Motor face has 4 threaded bolt holes (3/8") to attach pump to motor The holes measure 5 7/8" on center, measured diagonally across shaft Shaft is 5/8 diameter with threads on end. These motors are common to inground swimming pool pump applications The impeller is threaded onto the shaft (standard threads).All motors listed are 60HZ single phase. It is your responsibility to verify the voltage connection before applying power to the motor. Motor does not have switches or power cord. Replacement Motor Only - No Pump. 1 hp 3450/1725 RPM Two Speed 8.5/2.5 amps; 230 Volts 60hz. Service Factor = 1.50. The item "1 HP 2-Speed 56J Frame 230V 2 Speed Swimming Pool Motor Century # STS1102RV1" is in sale since Sunday, April 14, 2013. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Pumps". The seller is "electric-motor-warehouse1" and is located in Corunna, Michigan. This item can be shipped to United States, Canada.