Product Description:

The MAC112A-0-LD-3-C/130-B-0/S005 is an AC servo motor manufactured by Bosch Rexroth Indramat within the MAC AC Servo Motors series. Classified as a motor for analog drives, it delivers position and velocity control in industrial automation systems that rely on ±10 V command interfaces. The unit’s electromechanical design allows it to couple directly to gearboxes or machine shafts. It provides closed-loop operation through an integrated tacho generator that reports real-time speed back to the drive amplifier. That arrangement lets the amplifier compare commanded and actual motor behavior during speed-regulated or positioning moves.

The motor’s centering flange has a diameter of 130 mm, which provides the reference surface for mounting concentricity. Heat is removed solely by natural convection, so installation must allow free airflow around the housing. Because cooling is passive, nearby surfaces and covers should not block heat from leaving the motor body. At its nominal operating point, the rotor turns at 3000 rpm, and the built-in tacho generator outputs 3 V/1000 rpm to the drive electronics for speed feedback. Power enters through a connector on side B of the stator, which can simplify cable routing when the feedback plug is located on the opposite face. The feedback system combines tachofeedback with a second shaft end so external encoders can be added when finer position feedback is needed.

The motor has no blocking brake, so any vertical axis must be secured by external means during power-off. This arrangement is suitable where the load can be held by the machine mechanics or by controlled drive torque. The frame corresponds to size 112, and the magnetic stack uses the short A length, a combination that balances continuous torque with low rotor inertia for mid-range tooling tasks. The stator uses winding code LD, which matches the electrical characteristics expected by the analog controller. Standard tacho quality provides repeatable speed feedback, and the second shaft end allows retrofit feedback devices such as resolvers or absolute encoders when an application requires more precise position information.