Product Description:

The MAC112D-0-ED-4-C/130-A-0/WI520B/S05 is an AC servo motor manufactured by Bosch Rexroth Indramat as part of the MAC AC Servo Motors series. Intended for analog drive systems, the unit supplies commanded torque and velocity to automated tooling, transfer lines, and positioning tables. It translates drive signals into precise mechanical rotation for industrial automation tasks.

This model is cooled by natural convection, so heat is shed through the housing surface without forced airflow, which simplifies enclosure design. Under rated operating conditions, the shaft reaches 3000 rpm, a speed that suits many mid-range machine tool spindles and feed axes. The power conductors exit through a connector on side A, keeping service access on one face of the cabinet. A built-in tachogenerator produces 3 V/1000 rpm, giving the controller a proportional voltage signal for closed-loop speed regulation. The ED winding provides the electrical characteristics used by compatible MAC analog drive modules, and the D-length stator increases active iron to raise continuous torque capacity without changing the motor's flange pattern.

Mechanical centering during installation is handled by a 130 mm pilot diameter that aligns the shaft with the driven load. The motor is supplied without a blocking brake, so any holding action during power-off must come from external brakes or maintained drive current. A motor size 112 frame provides a standardized shaft height and bolt circle for common mounting layouts. Position data is delivered by an onboard incremental encoder mounted in the standard location, and the feedback arrangement also accommodates tacho feedback or an absolute encoder when required by the application. Standard tacho quality keeps the speed feedback signal uniform across the full operating range.