Product Description:

The MAC112B-0-PD-4-C/130-A-2/WI522LV/S018 is an AC servo motor built by Bosch Rexroth Indramat within the MAC AC Servo Motors series. Designed for analog drives, it converts control voltages into proportional rotary motion, supplying precise speed and position control for automated conveyors, gantries, and tool spindles. Integrated feedback components allow the drive to check shaft behavior in real time and correct deviations, keeping the axis on its commanded path despite changing load or supply conditions.

The unit includes a blocking brake that can deliver 60 Nm of static holding torque, letting vertical axes remain stationary when power is removed. A centering diameter of 130 mm aligns the housing with machine frames and ensures concentricity between the motor shaft and coupled mechanics. The motor has a nominal speed of 1500 rpm, which is the synchronous operating point where the winding’s electrical frequency matches the magnetic pole pattern. The integrated tacho generator outputs 3 V/1000 rpm, providing an analog velocity signal for drive regulators that rely on voltage feedback rather than digital encoders. Heat generated in the stator is carried to ambient air by natural convection, so the motor must be mounted where unobstructed airflow can pass over its surface ribs.

The brake is classified as a heavy-duty blocking brake, making it suitable for applications that require high holding torque when the axis is stopped. Power conductors are connected through a connector on side A, which helps route cables away from moving parts and simplifies service access. Shaft position is reported by an incremental encoder that mounts in the standard interface pocket, enabling precise count-based positioning when the analog tachometer alone is insufficient. Magnetic characteristics follow the PD winding code, which corresponds to resistance and inductance values matched to the intended operating point while staying within allowable temperature rise.