RAC 2.2-150-380-A00-W1 Bosch Rexroth Indramat
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MPN: R911232709
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The Bosch Rexroth Indramat RAC 2.2-150-380-A00-W1 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 50-60Hz and supports a rated current of 150 A. The unit uses internal blower cooling and provides an analog speed command input of plus or minus 10 volts.
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Product Description:
The RAC 2.2-150-380-A00-W1 is an AC main spindle drive controller manufactured by Bosch Rexroth Indramat for the RAC Spindle Drive Controllers series. Installed in machining centers, lathes, and other automated equipment, it regulates spindle rotation by converting three-phase mains power into a precisely controlled output waveform that follows commands from the numerical control. Positioned between the plant supply and the motor, it delivers the acceleration, steady-state speed accuracy, and deceleration profiles needed in cycle-time-sensitive production lines. This control behavior helps the spindle respond smoothly during cutting and other speed-dependent machining processes. Stable spindle regulation is also important for maintaining repeatable machining results during load changes.
The drive can deliver a continuous output of 150 A, enabling direct operation of high-power spindles. It accepts an input of 3 x AC 400 V, 50-60 Hz, matching common industrial distribution without an auxiliary transformer. Thermal control is handled by an integrated internal blower, so no external cooling ducts are required. Field wiring terminates on connector X4 with 9 poles, which groups control and feedback conductors at one connection point. Spindle velocity is commanded with a ±10 V analog signal, providing compatibility with conventional CNC velocity loops and other analog reference sources. The grouped connection also helps keep cabinet wiring orderly.
The module is supplied without an additional bleeder resistor, so regenerated energy must be absorbed by the common DC bus or by upstream equipment. It is also supplied without an additional encoder input, so any position feedback is expected through the primary spindle interface. The unit is Series 2 and Version 2. This configuration suits installations where braking energy handling and feedback routing are already managed by the surrounding drive system. It remains suitable for applications that use the standard spindle interface without optional feedback expansion.
Frequently Asked Questions about RAC 2.2-150-380-A00-W1:
Q: What is the rated output current for the RAC 2.2-150-380-A00-W1 spindle drive controller?
A: This model has a rated current of 150 A, suitable for handling demanding spindle operations.
Q: How is the RAC 2.2-150-380-A00-W1 drive controller cooled?
A: The RAC 2.2-150-380-A00-W1 utilizes an internal blower or built-in fan for cooling.
Q: What type of speed command input does the RAC 2.2-150-380-A00-W1 support?
A: This spindle drive controller accepts speed commands via an analogue signal ranging from +10 V to -10 V.
Q: What is the required connection voltage for the RAC 2.2-150-380-A00-W1 unit?
A: The drive operates at a connection voltage of 3-phase AC 400 V with a frequency of 50 to 60 Hz.
Q: Does the RAC 2.2-150-380-A00-W1 spindle drive controller have an additional encoder input?
A: The RAC 2.2-150-380-A00-W1 does not include an additional encoder input on this model.
