MAC041A-0-FS-2-E/050-A-1

Bosch Rexroth Indramat builds the MAC041A-0-FS-2-E/050-A-1 servo unit as part of the MAC AC Servo Motors series. The device provides closed-loop position and speed control for lightweight axes in packaging, printing, and material-handling machines. Its mechanical frame and electrical design align with other motors in the series.

The motor uses the winding code FS, which sets the permissible current density and back-EMF characteristics for the 041 mechanical length. The frame is identified by motor size A, giving the stator a compact outer diameter suitable for low-torque axes. The active-stack depth defined by this length balances thermal mass with inertia for drive sections that rely on rapid acceleration. Heat is removed through natural convection, so the housing fins must remain unobstructed and the unit should be mounted where ambient airflow can reach all sides. This operating envelope suits indexing tables and small gantries.

For feedback, the unit integrates tachofeedback, supplying an analog speed signal to the legacy controller without requiring a digital encoder. A standard blocking brake is factory fitted to prevent shaft rotation when power is removed, allowing vertical or load-holding axes to stay in place. Power conductors terminate through a connector on side A, simplifying cable routing inside tight cabinets. Because it is classified as a motor for analog drives, the current loop is closed in the external amplifier, and the motor only provides velocity feedback. Together these attributes allow the model to serve compact conveyor, indexing table, or small handling modules that benefit from analog control topology.