MAC112C-0-KD-4-C/130-B-0/WI521LV Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MAC112C-0-KD-4-C/130-B-0/WI521LV is a motor for analog drives in the MAC AC Servo Motors series, featuring a 130 mm centering diameter and a motor size of 112. It operates at a nominal speed of 1500 RPM and uses natural convection for cooling. This motor includes incremental encoder position feedback with standard mounting and has its power connector located on side B.
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Product Description:
The MAC112C-0-KD-4-C/130-B-0/WI521LV belongs to the MAC AC Servo Motors series manufactured by Bosch Rexroth Indramat. Classified as a motor for analog drives, it converts command voltages from legacy drive amplifiers into regulated mechanical motion for positioning tables, transfer lines, and similar equipment. Its internal tacho and encoder signals support closed-loop speed and position control, helping the connected drive maintain consistent motion when load conditions change during operation. Because the feedback devices are built into the motor, the amplifier can monitor shaft behavior without separate external sensing hardware.
The motor housing seats to a centering flange that measures 130 mm, giving a fixed mechanical reference for gearboxes or couplings. Heat is removed by natural convection, so no fan or liquid circuit is included and installation space must allow free airflow around the ribs. The rotor is designed for a nominal speed of 1500 rpm, which suits machinery that must synchronize to a steady shaft velocity. Power is supplied through a single plug with a connector on side B, which can simplify cable routing when that side faces the cabinet or machine frame. The KD winding code identifies the coil resistance and inductance values used by the drive for current-loop tuning, acceleration control, and overload protection.
The tacho generator produces 3 V/1000 rpm, giving the drive a linear voltage reference for real-time speed regulation. Frame size 112 sets the stator diameter and mounting bolt pattern used across the series. The motor has no blocking brake, so holding torque must be supplied electrically or by external clamps when power is off. Position data are delivered by an incremental encoder fitted in the standard mounting location. Combined with the tacho signal, this feedback helps the analog drive track shaft rotation accurately during commanded motion and normal speed changes.
Frequently Asked Questions about MAC112C-0-KD-4-C/130-B-0/WI521LV:
Q: What cooling method is used for the MAC112C-0-KD-4-C/130-B-0/WI521LV motor?
A: The MAC112C-0-KD-4-C/130-B-0/WI521LV motor is cooled by natural convection and requires no forced-air or liquid cooling systems.
Q: What type of position feedback does the MAC112C-0-KD-4-C/130-B-0/WI521LV provide?
A: This motor utilizes an incremental encoder with standard mounting for position feedback.
Q: Is a blocking brake present on the MAC112C-0-KD-4-C/130-B-0/WI521LV motor?
A: The MAC112C-0-KD-4-C/130-B-0/WI521LV does not include a blocking brake.
Q: What is the nominal speed of the MAC112C-0-KD-4-C/130-B-0/WI521LV motor?
A: The nominal speed rating for this motor is 1500 min-1, ensuring steady operation at this velocity.
Q: Where is the power connection located on the MAC112C-0-KD-4-C/130-B-0/WI521LV?
A: The power connection is positioned on side B of the motor for this model.
