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Order Lookup3-Phase NEMA Frame General Purpose AC Motors
NEMA 48 Frame 3-Phase NEMA Frame General Purpose AC Motors
Open Dripproof with Rigid Base Mount
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Totally Enclosed Fan-Cooled with Rigid Base Mount
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Totally Enclosed Nonventilated with Rigid Base Mount
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NEMA 56 Frame 3-Phase NEMA Frame General Purpose AC Motors
NEMA 140 Frame 3-Phase NEMA Frame General Purpose AC Motors
NEMA 180 Frame 3-Phase NEMA Frame General Purpose AC Motors
NEMA 210 Frame 3-Phase NEMA Frame General Purpose AC Motors
NEMA 250 Frame 3-Phase NEMA Frame General Purpose AC Motors
NEMA 280 Frame 3-Phase NEMA Frame General Purpose AC Motors
NEMA 320 Frame 3-Phase NEMA Frame General Purpose AC Motors
NEMA 360 Frame 3-Phase NEMA Frame General Purpose AC Motors
NEMA 400 Frame 3-Phase NEMA Frame General Purpose AC Motors
NEMA 440 Frame 3-Phase NEMA Frame General Purpose AC Motors
NEMA 500 Frame 3-Phase NEMA Frame General Purpose AC Motors
NEMA 500 frame three-phase general purpose AC motors have a standard 2-7/8" diameter, 5-3/4" length shaft whose center is 12-1/2" above the mounting surface. Variations to the frame's standard dimensions and design are indicated by a letter designation following the frame number, such as 5010S. āSā indicates a shorter shaft for direct-drive applications. These frame standards and letter designations are defined by the National Electrical Manufacturers Association (NEMA).