Product Description:

The MAC112C-1-HD-2-C/130-A-0/S005 is a servo motor produced by Bosch Rexroth Indramat and supplied under the MAC AC Servo Motors series. Classified as a motor for analog drives, it is intended for axis modules that rely on continuous velocity or position feedback to maintain regulation in industrial automation cells. The model carries a motor length code C, positioning it toward mid-frame machines where compact envelopes and sufficient torque density are required. Because the design omits a blocking brake, the drive train must use external holding devices when power is removed.

Inside the stator, the winding code HD identifies the electrical resistance and inductance values used with legacy MAC amplifiers. A centering diameter of 130 mm provides a precision register that aligns the flange to gearboxes or mounting plates, helping control runout at high speeds. Heat is removed by axial surface cooling, and an auxiliary fan operating from AC 230 V channels air along the housing fins to stabilize winding temperature during continuous duty. The motor has a nominal speed of 2000 rpm, giving analog controllers a predictable velocity target without field weakening.

Closed-loop regulation is handled by the integrated tacho feedback, a DC generator that produces 3 V/1000 rpm in proportion to shaft speed, allowing the analog drive to measure velocity directly. The motor uses a three-phase power connector on side A, keeping the cable bundle on one face of the machine. The frame code 112 indicates the stator outer diameter group and matches accessories shared across the MAC family. Standard tacho quality limits ripple and hysteresis, while overall mass stays moderate to support overhead axes that cannot accommodate heavier variants.