RAC 2.2-200-460-A00-W1/S001 Bosch Rexroth Indramat
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MPN: R911255751
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The Bosch Rexroth Indramat RAC 2.2-200-460-A00-W1/S001 is an AC main spindle drive controller from the RAC Spindle Drive Controllers series. It features a rated connection voltage of 3 x AC 400 V at 50 Hz or 3 x AC 460 V, with a rated current of 200 Amps. The unit includes internal cooling with a built-in fan and supports an analog speed command of plus or minus 10 V.
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Product Description:
The RAC 2.2-200-460-A00-W1/S001 spindle drive controller is produced by Bosch Rexroth Indramat for the RAC Spindle Drive Controllers series. It serves as the primary power and regulation stage for high-speed machine-tool spindles, translating motion commands from a CNC or PLC into precisely metered three-phase output. By integrating power electronics, control logic, and protective functions in one housing, the unit supports stable torque delivery and speed control on milling, turning, and grinding equipment used in industrial automation.
This controller is classified as an AC main spindle drive controller, so its output bridge is suited to rapid acceleration and braking of large induction or synchronous spindle motors. Thermal energy is removed by an integrated built-in fan, which eliminates the need for external ducted airflow under rated conditions. The power section accepts utility supplies of 3 × AC 400 V, 50 Hz, ±15%, or 3 × AC 460 V, so one model can cover both European and North American mains. At those voltages, the drive can provide up to 200 A of continuous motor current for heavy cutting demands. Spindle speed is commanded through a differential voltage reference, and the unit follows an analog (±10 V) signal for compatibility with legacy analog interfaces.
User control wiring lands on the front X4 9-pole connector, which provides a single connection point for enables, fault signals, and ready contacts. The power stage is supplied without an additional bleeder, so external brake resistors are required when frequent high-inertia deceleration is expected. It is also supplied without an additional encoder input, so position feedback must come through the primary spindle encoder already supported by the drive. The unit is Series 2 and Version 2, which keeps its parameter organization and diagnostic behavior aligned with other 2.x devices in the same series.
Frequently Asked Questions about RAC 2.2-200-460-A00-W1/S001:
Q: What is the rated current capacity of the RAC 2.2-200-460-A00-W1/S001 spindle drive controller?
A: The RAC 2.2-200-460-A00-W1/S001 operates with a rated current of 200 A.
Q: What cooling method is used by the RAC 2.2-200-460-A00-W1/S001 controller?
A: This controller uses an internal blower and built-in fan for cooling.
Q: What type of speed command input does the RAC 2.2-200-460-A00-W1/S001 accept?
A: The RAC 2.2-200-460-A00-W1/S001 receives its speed command through an analogue input of +/- 10 V.
Q: What voltage supply can be used with the RAC 2.2-200-460-A00-W1/S001 spindle drive controller?
A: It supports a rated connection voltage of either 3 x AC 400 V at 50 Hz (with +/-15% tolerance) or 3 x AC 460 V.
Q: Does the RAC 2.2-200-460-A00-W1/S001 include an additional encoder input?
A: No additional encoder input is provided on the RAC 2.2-200-460-A00-W1/S001 model.
