NEMA design letter Certain types of machinery may require motors with

Nema design letter certain types of machinery may

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NEMA design letter Certain types of machinery may require motors with specialized performance characteristics. For example, cranes and hoists that have to start with full loads imposed may require motors with operating characteristics much different from what is required for pumps and blowers. Motor performance characteristics can be altered by design changes in lamination, winding, rotor, or any combination of these three items. Code Requirements
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