RAC 2.3-200-380-AP0-W1 Bosch Rexroth Indramat
MPN: R911256125
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The Bosch Rexroth Indramat RAC 2.3-200-380-AP0-W1 is an AC main spindle drive controller from the RAC Spindle Drive Controllers series. It features an internal blower for cooling and supports a rated connection voltage of 3 x AC 400 V at 50-60 Hz with a rated current of 200 A. The controller includes an additional encoder input for spindle feedback and uses a high-resolution INDRAMAT encoder.
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Product Description:
The RAC 2.3-200-380-AP0-W1 is an AC main spindle drive controller manufactured by Bosch Rexroth Indramat in the RAC Spindle Drive Controllers series. Built for controlling high-power machine-tool spindles, it converts three-phase mains power into regulated armature voltage and manages rotational speed through an analog velocity reference. This control method helps the spindle respond smoothly to changing cutting loads during machining. It is intended for applications where stable speed, controlled torque, and repeatable acceleration support consistent cutting performance across automated production lines.
The controller connects to factory power through a three-phase supply rated at 3 x AC 400 V and operates over the standard 50–60 Hz line frequency. Within that range, it can deliver a continuous output of 200 A, making it suitable for large spindle motors that require high current during sustained production runs. An internal blower moves air across the power electronics to support thermal stability during extended duty cycles and repeated load changes. Speed regulation is handled through an analog (±10 V) command from a drive computer or PLC, and spindle status signals are routed through the X4 9-pole terminal strip on the front panel.
An additional encoder input accepts spindle feedback so the drive can compare commanded velocity with actual shaft motion when a high-resolution INDRAMAT encoder is installed on the motor. That added feedback path improves speed supervision at the motor during operating conditions that place abrupt demand changes on the spindle. Because the module is supplied without an additional bleeder, braking energy must return to the DC link or be absorbed by the motor during deceleration. The unit is series level 2 and version 3, which places it within a specific revision of the RAC platform.
Frequently Asked Questions about RAC 2.3-200-380-AP0-W1:
Q: What cooling method does the RAC 2.3-200-380-AP0-W1 spindle drive controller use?
A: The RAC 2.3-200-380-AP0-W1 is cooled using an internal blower and built-in fan.
Q: What is the speed command input type for the RAC 2.3-200-380-AP0-W1?
A: This model supports analogue speed command input of +/- 10 V.
Q: What is the rated connection voltage of the RAC 2.3-200-380-AP0-W1?
A: The rated connection voltage for this controller is 3 x AC 400 V at 50-60Hz.
Q: Does the RAC 2.3-200-380-AP0-W1 include an additional encoder input?
A: The RAC 2.3-200-380-AP0-W1 features an additional encoder input for spindle feedback.
Q: What is the rated current for the RAC 2.3-200-380-AP0-W1 spindle drive controller?
A: This spindle drive controller is rated for a current output of 200 A.