Product Description:

The MAC041B-0-BS-4-E/050-A-0/WI670LV is a compact AC servo motor produced by Bosch Rexroth Indramat and supplied within the MAC AC Servo Motors series. Designed for analog drives, it converts drive-amplifier current into controlled mechanical rotation for positioning axes, pick-and-place modules, and light-duty tooling. By combining an internal permanent-magnet rotor with electronic feedback, the unit provides closed-loop speed and torque control suited to the accuracy requirements of general automation cells and laboratory equipment.

The motor relies on natural convection to remove winding heat, so no external fan or liquid circuit is needed and installation space stays minimal. The motor has no blocking brake, so static load holding during power-off must be provided by external mechanical means when required. Motion feedback is generated by tacho feedback working together with an incremental encoder for velocity and position signals, allowing analog controllers to use proportional or PI loops without digital protocols. Main power is supplied through a connector on side A, which simplifies cable routing when the motor is mounted against vertical plates.

Mechanical dimensions follow the series coding, with a housing in size 041 and a stack depth identified by length B. These values keep mass low for gantry or delta robot joints while maintaining the flange proportions associated with this frame. The position sensor sits on the rear end shield using standard mounting, so common alignment hardware used across the MAC platform remains applicable. Because the unit is intended for analog drives, its signal levels and commutation phasing match legacy Rexroth voltage-controlled converters used in many established production lines. A centering dimension of 50 mm is also indicated by the code E/050, which supports accurate installation on matching machine interfaces.