Baldor VM3538-57 .5HP, 1425RPM, 3PH, 50HZ, 56C, 3420M, TEFC, F1Baldor VM3538 57 Additional Information ManufacturerBaldor Nameplate Output0. 75 Number of Poles2 Phase3 MultiplierK 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 Frame 56C Output @ Frequency . 500 HP @ 50 HZ Synchronous Speed @ Frequency 1500 RPM @ 50 HZ Voltage @ Frequency 230. 0 V @ 50 HZ Frame Material Steel Motor Letter Type Three Phase