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Motor Duty Class DefinitionNowadays, electric motors are used in almost every application, controlled by electrical drives. However, not all motors operate for the same amount of time. Some run continuously, while others have shorter run times with longer rest periods. This difference introduces the concept of motor duty class, which divides motor duty cycles into eight categories: Continuous duty Short time duty Intermittent periodic duty Intermittent periodic duty with starting Intermittent pe