RAC 2.2-200-460-AP0-W1 Bosch Rexroth Indramat
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MPN: R911236395
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The Bosch Rexroth Indramat RAC 2.2-200-460-AP0-W1 is an AC main spindle drive controller from the RAC Spindle Drive Controllers series. It features a rated current of 200 Amps and operates with a voltage range of 3 phase 400V at 50 Hz or 460V. The unit is cooled by an internal blower and includes an additional encoder input for spindle feedback.
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Product Description:
The RAC 2.2-200-460-AP0-W1 is a spindle drive controller produced by Bosch Rexroth Indramat for the RAC Spindle Drive Controllers series. Intended for main spindle axes on CNC machining centers and lathes, the unit conditions three-phase line power and modulates current so that the spindle follows velocity and orientation commands from the machine control. In automated cells, it ties the mechanical spindle shaft to electronic reference signals, enabling synchronized cutting, rigid tapping, and tool-change sequences. By regulating spindle motion in this way, it supports both continuous machining passes and controlled stopping at a commanded angular position.
It accepts a supply of 3 x AC 400 V, 50 Hz, ±15% or 3 x AC 460 V, allowing operation on common industrial power systems. Under that input, the controller can deliver up to 200 A of armature current to the spindle motor, enough for large-frame roughing passes and high torque demand at low speed. Thermal management is handled by a built-in fan, so no external ducting is required for normal cooling. Speed references arrive as an analog (±10 V) signal, allowing direct interfacing with many CNC controls that use voltage-based command outputs. Service wiring uses the X4, 9-pole interface, which groups low-level control signals on a single connector and keeps those connections organized inside the cabinet.
For precision finishing, the hardware incorporates an additional encoder input for spindle feedback, letting the system process position data directly from the work end of the spindle. It is designed to operate with a high-resolution Indramat encoder, which supports accurate spindle orientation and fast response during tool-change positioning. Regenerative energy is managed internally, and the unit operates without an additional bleeder, so braking duty must stay within the drive's intended operating range. The controller is Version 2 of the RAC platform, which places it within the second product revision used for this drive type and aligns its parameter structure with other RAC units of the same revision.
Frequently Asked Questions about RAC 2.2-200-460-AP0-W1:
Q: What is the rated current capacity of the RAC 2.2-200-460-AP0-W1 spindle drive controller?
A: The RAC 2.2-200-460-AP0-W1 is capable of handling a rated current of 200 A for high-demand applications.
Q: How is the RAC 2.2-200-460-AP0-W1 spindle drive controller cooled?
A: This controller uses an internal blower and built-in fan for effective cooling of the unit.
Q: What rated connection voltages does the RAC 2.2-200-460-AP0-W1 support?
A: The main connection voltage options for this model are 3 x AC 400 V at 50 Hz (±15%) and 3 x AC 460 V.
Q: Does the RAC 2.2-200-460-AP0-W1 have an additional encoder input for spindle feedback?
A: This model provides an additional encoder input specifically for spindle feedback integration.
Q: What type of speed command input does the RAC 2.2-200-460-AP0-W1 accept?
A: Speed commands are provided via an analogue input with a range of +/- 10 V.
