RAC 2.2-150-460-A00-W1 Bosch Rexroth Indramat
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MPN: R911232710
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The Bosch Rexroth Indramat RAC 2.2-150-460-A00-W1 is an AC main spindle drive controller from the RAC Spindle Drive Controllers series. It has a rated current of 150 Amps and uses an internal blower with a built-in fan for cooling. The unit operates at 3-phase AC 400 V, 50 Hz with a variation of plus or minus 15 percent, or at 460 V, and features a 9-pole X4 interface terminal.
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Product Description:
The RAC 2.2-150-460-A00-W1 is an AC main spindle drive controller built by Bosch Rexroth Indramat for the RAC Spindle Drive Controllers series. Designed for machine-tool spindles, the device converts three-phase mains power into a controlled output that supports stable speed and torque during cutting, drilling, and grinding cycles. In automated systems, it links the CNC or PLC to the motor and makes real-time corrections so the spindle can respond quickly to changes in load, commanded speed, and machining conditions. This helps the spindle maintain commanded motion even when the cutting load varies through a tool path or when the process shifts between roughing and finishing passes.
The controller draws its supply from a three-phase line rated at 3 x AC 400 V, 50 Hz, ±15% or 3 x AC 460 V. This dual rating allows use in plants with either common mains standard without changing the basic control concept. At full load, the power section provides 150 A, so the installation must support that current continuously during spindle operation. Speed references arrive as an analog (±10 V) signal, which allows straightforward interfacing with many CNC velocity-control outputs. Low-level control conductors terminate on an X4 terminal block with 9 poles. Thermal limits are managed by a built-in blower, so the controller can move cooling air through the unit without requiring a separate external fan assembly.
The functional scope remains streamlined because the unit is supplied without an additional bleeder, so braking energy must be handled by the connected system when that function is needed instead of by an added internal bleeder stage. Encoder wiring is also simplified because it comes without an additional encoder input and uses the standard spindle feedback channel. The product is part of Series 2 and is identified as Version 2, placing it within the second design generation of this controller line.
Frequently Asked Questions about RAC 2.2-150-460-A00-W1:
Q: What is the rated current for the RAC 2.2-150-460-A00-W1 spindle drive controller?
A: The RAC 2.2-150-460-A00-W1 operates with a rated current of 150 A, supporting high-demand spindle drive applications.
Q: How is the RAC 2.2-150-460-A00-W1 drive controller cooled?
A: This model features internal blower cooling with a built-in fan.
Q: What rated connection voltages does the RAC 2.2-150-460-A00-W1 support?
A: It is compatible with a connection voltage of either 3 x AC 400 V at 50 Hz (+/-15%) or 3 x AC 460 V.
Q: What type of speed command input is available on the RAC 2.2-150-460-A00-W1?
A: The speed command input accepts an analogue signal in the range of +/- 10 V.
Q: Is there an additional encoder input available on the RAC 2.2-150-460-A00-W1?
A: This spindle drive controller does not include an additional encoder input.
