Product Description:

The MAC112B-0-LD-4-C-130-B-2-WI519LV-S013 is an AC servo motor produced by Bosch Rexroth Indramat for the MAC AC Servo Motors series. Classified as a motor for analog drives, it provides closed-loop torque and speed control for machine axes, positioning tables, transfer units, and other automated motion stages that rely on analog command signals. In these systems, the motor works with an external controller to convert commanded current into repeatable rotary motion during indexing, feeding, and steady-speed operation.

This model includes a heavy-duty blocking brake capable of holding 60 Nm when the axis is at rest. Accurate mechanical alignment is supported by a 130 mm centering diameter that matches the corresponding mounting recess in gearboxes or machine frames. Heat generated by the LD windings is dissipated through natural convection, eliminating the need for external blowers and keeping the installation simple. Under rated conditions, the rotor reaches 2000 rpm, a speed that balances dynamic response with bearing life. A built-in tacho generator delivers 3 V/1000 rpm so legacy controllers can monitor actual speed without additional sensors. Power is routed through a connector on side B, and the feedback channel supports either tacho feedback or an absolute encoder, which allows the motor to fit both original analog systems and later control upgrades.

The mechanical envelope follows motor size 112 with a compact length code of B, providing a torque-to-mass ratio suited for mid-frame machinery. The stator carries winding code LD, indicating resistance and inductance values matched to classic analog drives. Position data can be returned by an incremental encoder mounted in the standard interface, enabling fine interpolation on newer converters that replace the original analog racks while keeping the same basic motor layout.