RAC 2.3-200-380-A00-W1/S002 Bosch Rexroth Indramat
MPN: R911267284
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The Bosch Rexroth Indramat RAC 2.3-200-380-A00-W1/S002 is an AC main spindle drive controller from the RAC Spindle Drive Controllers series. It operates with a rated current of 200 Amps and a connection voltage of 3 x AC 400 Volts at 50-60Hz. The unit features internal blower cooling and accepts an analog speed command of +/- 10 Volts.
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Product Description:
The RAC 2.3-200-380-A00-W1/S002 is manufactured by Bosch Rexroth Indramat and belongs to the RAC Spindle Drive Controllers series. It functions as the main control stage for high-power machine-tool spindles, converting three-phase line energy into regulated output that controls spindle torque and speed. By interpreting an external velocity reference and modulating current to the attached motor, the unit supports precise positioning and surface finish requirements common in metal-cutting and woodworking centers. This operating method helps the spindle respond smoothly to changing load conditions during acceleration, cutting, and deceleration.
Heat is removed by a built-in fan, so additional cabinet airflow is not mandatory. Incoming power is accepted at 3 × AC 400 V, 50–60 Hz, matching standard industrial supplies, and the power section can deliver a continuous phase current of 200 A to large-frame asynchronous or synchronous spindle motors. Speed reference is provided through a ±10 V analog signal, and the Analog (±10 V) command channel allows direct connection to legacy CNC controllers without digital fieldbus adapters. Field wiring for control electronics, brake release, and monitoring signals terminates on connector X4, 9 poles, which keeps low-voltage connections grouped at one interface.
The unit is supplied without an additional bleeder, so regenerative energy must be absorbed through the shared DC link or by mechanical means. It is also supplied without an additional encoder input, relying instead on the primary spindle encoder routed through the system drive bus. The drive is a series 2 device produced in design revision 3. This version is suited to modular drive cabinets where stable thermal performance and consistent control response are required during continuous spindle operation.
Frequently Asked Questions about RAC 2.3-200-380-A00-W1/S002:
Q: What is the rated connection voltage for the RAC 2.3-200-380-A00-W1/S002 spindle drive controller?
A: The RAC 2.3-200-380-A00-W1/S002 operates with a rated connection voltage of 3 x AC 400 V at 50-60Hz.
Q: What is the rated current capacity of the RAC 2.3-200-380-A00-W1/S002?
A: This spindle drive controller handles a rated current of 200 A.
Q: What type of cooling does the RAC 2.3-200-380-A00-W1/S002 utilize?
A: Cooling for this model is managed by an internal blower and built-in fan.
Q: What type of speed command input does the RAC 2.3-200-380-A00-W1/S002 accept?
A: Analogue speed commands of +/- 10 V are supported on this unit.
Q: What interface terminal is available on the RAC 2.3-200-380-A00-W1/S002?
A: The interface terminal for this controller is designated as X4, 9 poles.