Product Description:

The MAC115B-2-GS-4-C/130-A-0/WI519LV/S001 is an AC servo motor produced by Bosch Rexroth Indramat within the MAC AC Servo Motors series. Classified as a motor for analog drives, it translates commanded voltage and current into controlled rotary motion for positioning and process-speed tasks in automated machinery. This unit is commonly used in assembly lines, printing equipment, and material-handling axes where stable speed regulation and direct coupling to mechanical power transmission elements are required. Its closed-loop operating style supports repeatable motion in machines that need accurate speed response during continuous or indexed operation.

The motor’s blower uses a dedicated supply of AC 115 V, allowing ventilation to remain constant regardless of drive output. Heat is removed through axial surface cooling, which directs airflow along the exterior of the housing to improve continuous torque capability. A flange centering diameter of 130 mm aligns the motor accurately with machine mounts and helps maintain shaft concentricity during operation. Under rated excitation, the rotor turns at 2000 rpm, balancing dynamic response with the inertia associated with this frame size. For velocity feedback, the built-in tacho generator delivers 3 V/1000 rpm, giving the analog controller a proportional signal that supports stable speed loops without external sensors.

The output shaft features a DIN 6885 keyway, so standard hubs can be mounted with secure torque transfer and minimal slip. Winding code GS identifies the resistance and inductance values matched to analog current regulators, while frame size 115 provides the physical diameter needed for higher torque density in this motor class. Because a blocking brake is not present, vertical axes must use an external holding device when power is removed. Position data is returned through an incremental encoder, allowing the drive to combine tachometer feedback with digital position correction when tighter tracking is required.