RAC 2.2-150-460-AP0-W1 Bosch Rexroth Indramat
MPN: R911241611
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The Bosch Rexroth Indramat RAC 2.2-150-460-AP0-W1 is an AC main spindle drive controller from the RAC Spindle Drive Controllers series. It operates with a rated connection voltage of 3 x AC 400 V at 50 Hz or 3 x AC 460 V and provides a rated current of 150 Amps. The device uses an internal blower for cooling and features an additional encoder input for spindle feedback.
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Product Description:
The RAC 2.2-150-460-AP0-W1 is produced by Bosch Rexroth Indramat and belongs to the RAC Spindle Drive Controllers series. Classified as an AC main spindle drive controller, it regulates spindle torque and speed for machine tool and woodworking centers where coordinated motion with other axes is required. The unit receives three-phase mains power, processes analog velocity commands, and generates controlled output for induction or synchronous spindle motors, making it a key component in closed-loop industrial automation tasks that demand continuous, high-speed machining in demanding production environments.
The controller accepts a line supply of 3 × AC 400 V ±15 % at 50 Hz or 3 × AC 460 V, giving flexibility when facilities operate on either European or North American voltages. Its output section is rated for 150 A, enabling it to drive high-power spindles without derating in heavy-cut applications. Thermal management is handled by an internal blower; the built-in fan moves cabinet air across heat sinks so no external ducting is required. Velocity references are provided through an analog (±10 V) speed command, simplifying integration with legacy CNC cards that generate analog spindle demands. Field wiring for control and sensor leads terminates on the X4, 9-pole connector, so signal access remains separate from the main power connections.
Rotary position feedback is processed with a high-resolution INDRAMAT encoder, and the drive includes an additional encoder input for spindle feedback to support dual-loop positioning when surface finish or threading accuracy is critical. The unit is supplied without an additional bleeder; therefore, external braking resistors are unnecessary unless the application yields unusually high regenerative energy. As a product designated Version 2, the unit belongs to the second generation of RAC controllers and uses the parameter structure associated with that release across compatible systems.
Frequently Asked Questions about RAC 2.2-150-460-AP0-W1:
Q: What is the rated current of the RAC 2.2-150-460-AP0-W1 spindle drive controller?
A: The RAC 2.2-150-460-AP0-W1 operates with a rated current of 150 A, suitable for high-power spindle applications.
Q: What type of speed command interface is available on the RAC 2.2-150-460-AP0-W1?
A: This controller supports a speed command interface of analogue +/-10 V for precise speed control.
Q: How is the RAC 2.2-150-460-AP0-W1 spindle drive controller cooled?
A: The internal blower or built-in fan provides cooling for the RAC 2.2-150-460-AP0-W1.
Q: What type of encoder does the RAC 2.2-150-460-AP0-W1 utilize?
A: The controller uses a high-resolution INDRAMAT encoder for accurate spindle position feedback.
Q: What connection voltage does the RAC 2.2-150-460-AP0-W1 require?
A: The RAC 2.2-150-460-AP0-W1 accepts a rated connection voltage of 3 x AC 400 V at 50 Hz (+/-15%) or 3 x AC 460 V.