Product Description:

The MAC112D-0-ED-1-B/130-A-1/J1250/S05 is a three-phase servo motor from the MAC AC Servo Motors series by Bosch Rexroth Indramat. It is intended for analog drives, where commanded current from a compatible amplifier is converted into controlled shaft torque and speed for positioning axes, indexers, and continuous-motion equipment. Because it is intended for analog drives, it fits systems that use current-command amplifiers rather than fully digital servo controllers. Its housing follows MAC series mounting dimensions, so it can attach directly to machine frames or gear units without extra adapter parts.

The motor uses a centering pilot of 130 mm, which helps align the housing with matching flanges and reduce shaft runout during operation. Winding code ED is paired with a blocking brake rated at 45 Nm, allowing suspended or vertical loads to remain in place when power is removed. Cooling is provided by natural convection, so the unit does not require external fans or liquid cooling hardware. Motion signals are supplied through incremental encoder feedback, which supports phase-related speed information for the analog controller. The frame corresponds to motor size 112, which places the unit within the larger MAC housing range.

The rotor is designed for a nominal speed of 3000 rpm, and at that speed the integrated tachogenerator produces 3 V/1000 rpm for closed-loop velocity control. Power conductors exit through a connector on side A, which helps maintain a consistent cable path on machines that need service access from the primary mounting face. The motor uses length D, giving it a longer axial package within this frame size and helping planners account for installation depth around couplings, guards, and nearby components. Separate speed feedback and holding-brake functions allow the motor to support controlled motion during operation and secure stopping when the axis is not energized.