Product Description:

The MAC090C-1-GD-4-C/110-A-0/WI520LV is an AC servo motor manufactured by Bosch Rexroth Indramat within the MAC AC Servo Motors series. It is intended for use in positioning and velocity control loops where analog drive amplifiers command rapid, repeatable motion. Inside automated handling equipment or machine tools, this motor translates electrical setpoints into mechanical shaft rotation that can be synchronized with external process demands. Its operating role is to provide controlled rotary motion for feed axes, transfer units, and similar mechanisms that rely on coordinated movement.

The motor’s external blower runs from a nominal supply of AC 230 V, delivering forced air that supports axial surface cooling and keeps winding temperatures within permissible limits during continuous duty. Forced airflow is useful in applications where sustained torque creates steady heat in the stator windings and motor housing. A centering pilot of 110 mm on the front flange provides accurate concentric alignment with gearboxes or mounting fixtures, minimizing radial load on the bearings. Winding code GD indicates the electrical values used when sizing a compatible drive amplifier. Power conductors reach the stator through a connector on side A, so cable routing can remain on one machine face and leave more clearance near adjacent axes or mounting surfaces.

The motor has no blocking brake, so any vertical load must be secured by external means when power is removed. The unit is a motor for analog drives, making it suitable for velocity-controlled loops that use ±10 V command signals. Rotor position is monitored by tacho feedback with an incremental or absolute encoder, while commutation and fine-resolution speed data are delivered through a standard-mounted incremental encoder. This feedback arrangement supports smooth low-speed operation and steady response during acceleration and deceleration. The encoder signals also give the amplifier the information needed to correct speed changes caused by varying load conditions.