Baldor WDM3538 .5HP, 1770RPM, 3PH, 60HZ, 56, 3512M, TENV, F1, NBaldor WDM3538 Additional Information ManufacturerBaldor Nameplate Output0. 75 Number of Poles2 Phase3 MultiplierWD Shaft Diameter (In.)0. 625 Speed 3600 RPM Product Style BUFFER Wheel Bore Size (In.)0. 75 Wheel Diameter(In.)8 Wheel Face(.)1 Starting Method Full Voltage Frame56 Output @ Frequency . 500 HP @ 60 HZ Synchronous Speed @ Frequency 1800 RPM @ 60 HZ Voltage @ Frequency 460. 0 V @ 60 HZ Frame Material Steel Motor Letter Type Three Phase