Product Description:

The MAC041A-0-FS-4-E/050-A-1/WI673LV is an AC servo motor produced by Bosch Rexroth Indramat as part of the MAC AC Servo Motors series. Intended for analog drives in automated machinery, it converts electrical commands into precise rotary motion for positioning tables, packaging heads, or assembly grippers. The motor integrates a permanent-magnet rotor with built-in sensing so motion axes can achieve fast acceleration, stable speed regulation, and repeatable positioning. It is suited for compact machine modules that require controlled rotary movement through frequent start-stop cycles.

Mechanically, the unit uses a Size A frame, giving it a compact flange that fits into restricted mounting spaces. The motor uses the 041 length code for its magnetic stack, balancing torque output against overall weight for low-inertia applications. The FS winding code sets the winding characteristics, including the back-EMF constant the drive must overcome, and it influences copper loss during continuous duty. Thermal energy leaves the housing through natural convection, so no fan or liquid circuit is required. A standard blocking brake is included so the shaft remains locked when the power stage is disabled, which is useful on vertical or indexing axes.

Electrical terminations are routed through a connector on side A, allowing cable runs to follow the machine frame and helping reduce cabinet depth. Motion feedback is available through an incremental or absolute encoder with tacho feedback, enabling either speed-only or full position control depending on the amplifier requirements. An additional incremental encoder with standard mounting provides the pulse train used for classic analog velocity loops. These feedback arrangements support stable speed monitoring and accurate position response during operation.