RAC 2.3-200-380-D00-Z1 Bosch Rexroth Indramat
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MPN: R911274201
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The Bosch Rexroth Indramat RAC 2.3-200-380-D00-Z1 is an AC Main Spindle Drive Controller from the RAC Spindle Drive Controllers series. It features a rated current of 200 Amps and operates on a 3 x AC 400 V, 50-60Hz supply. The unit includes internal blower cooling and an X4, 25 pole interface terminal.
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Product Description:
Bosch Rexroth Indramat manufactures the RAC 2.3-200-380-D00-Z1, a member of the RAC Spindle Drive Controllers series. As an AC main spindle drive controller, it supplies regulated three-phase power to high-speed machining spindles and manages speed and torque feedback within automated production systems. It interfaces with CNC or PLC motion modules to execute precise RPM profiles, helping maintain consistent cutting conditions in metalworking centers and other process lines where stable spindle operation supports surface finish and tool life.
The unit uses a rated connection of 3 x AC 400 V, 50-60 Hz, so it can connect directly to common factory mains. Its continuous output capability reaches 200 A, allowing it to drive large-frame induction or synchronous spindle motors without derating. To keep semiconductor temperatures within limits, airflow is provided by a built-in internal blower, eliminating the need for external cabinet ducting. All command and diagnostic signals reach the controller through the X4 25-pole terminal block, and rotational demand values arrive as a 16-bit parallel digital speed word that the control electronics convert to a proportional output frequency.
The power section is equipped with an additional bleeder, so surplus regenerative energy is dissipated locally instead of returning to the DC bus. The product is an AC main spindle drive controller in Series 2 with Design Revision 3, and it is ordered without an additional encoder input. In this configuration, feedback is taken from the primary spindle sensor through the standard drive channel, which suits machine layouts that do not require a separate auxiliary encoder path. This arrangement keeps the feedback path straightforward while matching the braking and control functions used by the selected spindle system.
Frequently Asked Questions about RAC 2.3-200-380-D00-Z1:
Q: What cooling method is used in the RAC 2.3-200-380-D00-Z1 spindle drive controller?
A: The RAC 2.3-200-380-D00-Z1 operates with an internal blower and built-in fan for cooling.
Q: What is the rated current of the RAC 2.3-200-380-D00-Z1 controller?
A: This model supports a rated current of 200 A for spindle operation.
Q: What is the rated connection voltage for the RAC 2.3-200-380-D00-Z1?
A: The controller accepts 3-phase AC 400 V with a frequency range of 50 to 60 Hz as its power input.
Q: How is the speed command input handled on the RAC 2.3-200-380-D00-Z1?
A: Speed command for this unit is provided digitally via a 16-bit parallel interface.
Q: Does the RAC 2.3-200-380-D00-Z1 come with an additional bleeder?
A: This spindle drive controller includes an additional bleeder circuit.
