MAC112C-0-ED-3-C/130-B-1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MAC112C-0-ED-3-C/130-B-1 is an AC servo motor designed for analog drives and is part of the MAC AC Servo Motors series. This motor has a nominal speed of 3000 RPM, a centering diameter of 130 mm, and uses natural convection cooling. It features a standard blocking brake with a torque of 45 Nm and comes with tachofeedback as well as a second shaft end.
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Product Description:
The MAC112C-0-ED-3-C/130-B-1 belongs to the MAC AC Servo Motors series manufactured by Bosch Rexroth Indramat. It is a synchronous servo motor intended for analog drive systems in industrial automation, where precise speed and torque regulation are needed for positioning axes, packaging machines, and material-handling equipment. The motor converts current commands from a compatible drive into controlled rotary motion while returning speed information for closed-loop operation. Its synchronous design supports repeatable acceleration, deceleration, and positioning under changing mechanical loads.
The blocking brake generates 45 Nm of holding torque, allowing the motor shaft to remain stationary with vertical or inertial loads during shutdowns or emergency stops. A centering pilot of 130 mm promotes concentric mounting and limits radial runout that could affect coupling alignment and feedback accuracy. Heat is removed through natural convection, so no external blower or liquid cooling circuit is required. This cooling method reduces the number of auxiliary connections around the housing and requires sufficient surrounding airflow for heat dissipation. Integrated tacho feedback produces 3 V/1000 rpm, giving the analog drive a proportional speed signal for closed-loop control. Under rated operating conditions, the rotor turns at 3000 rpm, providing a suitable speed range for general-purpose motion tasks while maintaining stable feedback performance.
The feedback assembly includes tacho feedback with a second shaft end, allowing a pulse generator, handwheel, or load encoder to be attached to the auxiliary shaft end without a special adapter. Frame designation 112 identifies the stator cross-section and establishes the motor’s mounting envelope within the MAC series. Winding code ED indicates the phase resistance and inductance used by a compatible MAC servo drive when regulating motor current. Electrical power is routed through a connector on side B, keeping the motor cable away from the driven load when the mounting flange faces side A. Motor length C provides space for the magnetic stack while maintaining a moderate overall housing length. The flange-mounted arrangement supports accurate alignment with gearboxes, couplings, and machine frames used in automated motion systems.
Frequently Asked Questions about MAC112C-0-ED-3-C/130-B-1:
Q: Does the MAC112C-0-ED-3-C/130-B-1 have a blocking brake?
A: This motor is equipped with a standard blocking brake, ensuring secure holding when stopped.
Q: What is the nominal speed of the MAC112C-0-ED-3-C/130-B-1 servo motor?
A: The nominal speed of this servo motor is 3000 revolutions per minute.
Q: What type of cooling does the MAC112C-0-ED-3-C/130-B-1 use?
A: Cooling for this model is achieved through natural convection without any external cooling devices.
Q: Where is the power connection located on the MAC112C-0-ED-3-C/130-B-1?
A: The power connection for this motor is located on side B.
Q: What kind of feedback configuration is provided on the MAC112C-0-ED-3-C/130-B-1?
A: This motor features tachofeedback and includes a second shaft end for enhanced feedback accuracy.
