Product Description:

The MAC025B-0-ZS-3-E/040-B-0/S006 is an AC servo motor produced by Bosch Rexroth Indramat in the MAC AC Servo Motors series. This motor is intended for analog drive systems where continuous closed-loop torque and speed regulation are required for machine tools, printing lines, or material-handling stations. In industrial automation, the unit converts electrical command signals from analog amplifiers into precise mechanical rotation, serving as the main actuation element in axes that demand repeatable positioning accuracy and stable response during frequent starts, stops, and speed changes.

The motor is supplied without a blocking brake, so any vertical axis must rely on external clamps or sustained drive torque to prevent back-driving when power is removed. Heat generated in the stator escapes by natural convection, eliminating the need for fans or liquid circuits and allowing cabinet layouts to stay simple while avoiding added airflow hardware around the motor. Dimensional identifiers place the active magnetic stack at code 025, while the frame cross-section is classified as size B; together these codes indicate the torque density and the bolt circle shared with other MAC motors of similar capacity. Power is routed through a connector on side B, an orientation that keeps high-current leads clear of feedback cabling when the motor is mounted on compact mechanical assemblies with limited cable space.

Motion feedback is provided by resolver-based feedback with tacho feedback and a second shaft end. This arrangement supplies speed signals directly to analog amplifiers, and the auxiliary shaft can couple to an external encoder or a mechanical load when the application needs an additional rotary interface. Its electrical interfaces match TDM and KDS drive cards used with classic Indramat analog drives, helping the motor fit established control platforms that rely on resolver and tacho signals.