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Standardized motor dimensions established by NEMA (National Electrical Manufacturers Association) are listed below. These dimensions apply to all base-mounted motors that carry a NEMA frame designation. While frame numbers are not intended to indicate electrical characteristics like horsepower, the motor’s physical size and horsepower do generally increase as frame numbers become higher.
Simply click on the frame number to view motor dimensions.
Please select a frame size
48 48H 56 56H 66 143 143T 145 145T 182 182T 184 184T 203 204 213 213T 215 215T 224 225 254 254U 254T 256U 256T 284 284U 284T 284TS 286U 286T 286TS 324 324U 324S 324T 324TS 326 326U 326S 326T 326TS 364 364S 364U 364US 364T 364TS 365 365U 365US 365T 365TS 365S 404 404S 404U 404US 404T 405 405S 405U 405US 405T 405TS 444 444S 444U 444US 444T 444TS 445 445S 445U 445US 445T 445TS 447T 447TS 449T 449TS 504U 504S 505 505SPlease select a frame size
48
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