The MBA800 is a rotating paddle, with stepper motors that are made for bulk goods. It features a direct dive without gearbox, a powerful motor with small paddle, and an optional pre-set parameter. A wide range of motor control parameters are adjusted based on the adaptation for various kinds of bulk goods. The pre-adjustments of the stepper-motor can be selected with 8 parameter sets. It is done with the consideration of their switching behavior, stoppage detection, freewheeling test and speed. The series can be utilized in all bulk components with the preferred paddle size.