RAC 2.2-200-380-A00-W1 Bosch Rexroth Indramat
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MPN: R911232711
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The Bosch Rexroth Indramat RAC 2.2-200-380-A00-W1 belongs to the RAC Spindle Drive Controllers series. This AC main spindle drive controller supports a rated connection voltage of 3 x AC 400 V at 50-60Hz, and has a rated current of 200 Amps. It features an internal blower for cooling and provides an analog speed command interface of plus or minus 10 Volts.
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Product Description:
The RAC 2.2-200-380-A00-W1 is manufactured by Bosch Rexroth Indramat and belongs to the RAC Spindle Drive Controllers series. It is an AC main spindle drive controller that interfaces directly with induction or synchronous spindle motors used in CNC machining centers, grinding lines, and other automated cutting systems. Its task is to translate reference signals from the numerical control into regulated three-phase output so spindle torque and speed remain consistent under changing mechanical load. Stable spindle control helps support dimensional accuracy and surface quality during cutting operations.
The controller accepts a line supply of 3 × AC 400 V, 50–60 Hz and can deliver a continuous output of 200 A, giving it the current headroom needed for rapid spindle acceleration and deceleration. Cooling is handled by an internal blower; the built-in fan moves cabinet air across the heat sinks, so external ducting is usually unnecessary in typical panel layouts. A differential speed reference is fed to the drive through an analog (±10 V) voltage loop, which allows the host CNC to command forward or reverse rotation with proportional precision. For hard-wired I/O, spindle enable, and fault signals, the unit provides an X4 9-pole terminal that simplifies wiring while helping maintain low-noise signal routing.
The hardware platform is supplied without an additional bleeder, so dynamic braking energy must be absorbed by the internal circuitry or by an external resistor in the machine system. Feedback is streamlined because the model ships without an additional encoder input; rotor position is instead read through the standard spindle encoder channel on the base board. Configuration identifiers mark it as Series 2 and Version 2. This layout keeps the control hardware focused on the standard spindle functions used by the base design.
Frequently Asked Questions about RAC 2.2-200-380-A00-W1:
Q: What is the required connection voltage for the RAC 2.2-200-380-A00-W1 spindle drive controller?
A: This drive controller 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 2.2-200-380-A00-W1?
A: The RAC 2.2-200-380-A00-W1 is rated for a continuous current of 200 A.
Q: How is the RAC 2.2-200-380-A00-W1 spindle drive controller cooled?
A: Cooling is handled by an internal blower or built-in fan to regulate the device temperature.
Q: What type of speed command input does the RAC 2.2-200-380-A00-W1 support?
A: The speed command is set through an analogue input of +/- 10 V.
Q: Does the RAC 2.2-200-380-A00-W1 offer an additional encoder input?
A: This model does not include support for an additional encoder input.
