Product Description:

The MAC112D-FD-4-C/130-A-2/WI520LX/S018 is an AC servo motor manufactured by Bosch Rexroth Indramat as part of the MAC AC Servo Motors series. It is supplied as a motor for analog drives where voltage-loop control is preferred over fieldbus communication. In automated systems, the unit provides closed-loop speed and position control, turning electrical commands into the mechanical motion required by indexing tables, feeders, and gantry axes. Its housing mounts directly to gearboxes or belt transmissions without adapter plates.

Mechanical fitment begins with a centering diameter of 130 mm, allowing the 112-frame housing to seat accurately against flange surfaces. The rated operating speed is 2000 rpm, which balances dynamic response with gearbox life. Electromagnetic conversion is indicated by a torque constant of 0.760 Nm/A, so each ampere of phase current produces that amount of torque. During rapid acceleration, the drive can deliver a peak pulse of 260 A, so the connected power components must tolerate short-term surges. The stator windings have an inductance of 1.8 mH, which affects current rise time and drive tuning. The motor uses a 10 × 8 × 50 mm keyway shaft, has length code D, and uses the 112 size code. Feedback is provided by a standard tacho and incremental encoder that output 3 V per 1000 rpm, and power conductors exit on side A for simpler cable routing.

To secure the load when power is removed, the integrated brake applies 40 Nm of holding torque. The motor is sealed to IP65, which helps protect internal components from dust and low-pressure water jets. It can be installed at elevations up to 1000 m above sea level, where ambient cooling remains effective. Electrical losses are limited by a phase resistance of 0.110 Ω, which supports thermal stability during repetitive duty cycles. This arrangement is suitable for positioning axes that start and stop often during repetitive machine operation.