RAC 2.2-200-380-A0I-Z1 Bosch Rexroth Indramat
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MPN: R911238597
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The Bosch Rexroth Indramat RAC 2.2-200-380-A0I-Z1 is an AC main spindle drive controller from the RAC Spindle Drive Controllers series. It has a rated connection voltage of 3 x AC 400 V at 50-60Hz and a rated current of 200 Amps. The controller features internal blower cooling, a 9-pole interface terminal, and supports an analog speed command of +/- 10 V.
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Product Description:
The RAC 2.2-200-380-A0I-Z1 is a spindle drive controller manufactured by Bosch Rexroth Indramat for the RAC Spindle Drive Controllers series. As an automation component, it regulates the torque and speed of main spindles in machining centers and similar equipment. By converting motion commands from a CNC or PLC into controlled three-phase motor power, it supports acceleration, steady cutting speed, and controlled deceleration during machine cycles. It is intended for use where precise spindle behavior is required during cutting and speed changes.
This controller connects to a three-phase supply of 3 x AC 400 V, 50–60 Hz and can deliver up to 200 A of output current to the spindle motor. Thermal energy is removed by a built-in blower, so no external cooling unit is required inside the cabinet. The integrated cooling arrangement keeps airflow management inside the controller and avoids the need for a separate cabinet cooling accessory. Command and feedback wiring terminate on terminal block X4 with 9 poles, which keeps the control connections grouped at one point. The velocity reference is an analog (+/- 10 V) differential signal, allowing the CNC to scale spindle speed with standard control voltages. Behind this interface, the controller samples the command, modulates the PWM inverter stage, and protects the output against overcurrent, undervoltage, and phase loss.
The controller includes an additional bleeder resistor, which dissipates regenerated energy during rapid deceleration and supports controlled stopping of the spindle. It operates without an additional encoder input, so the unit relies on the primary spindle encoder only. For downstream monitoring, it provides an incremental encoder output that reproduces the spindle pulse train for auxiliary axes or machine logic. It is an AC main spindle drive controller, and the unit is Series 2 and Version 2. The Series 2 and Version 2 designation identifies the product generation used for this unit.
Frequently Asked Questions about RAC 2.2-200-380-A0I-Z1:
Q: How is the RAC 2.2-200-380-A0I-Z1 spindle drive controller cooled?
A: The RAC 2.2-200-380-A0I-Z1 is equipped with an internal blower and built-in fan for cooling.
Q: What is the rated connection voltage for the RAC 2.2-200-380-A0I-Z1 controller?
A: This model supports a rated connection voltage of 3 x AC 400 V at 50-60Hz.
Q: What interface terminal does the RAC 2.2-200-380-A0I-Z1 spindle drive use?
A: The RAC 2.2-200-380-A0I-Z1 features an interface terminal type X4 with 9 poles.
Q: What is the rated current of the RAC 2.2-200-380-A0I-Z1 spindle drive?
A: A rated current of 200 A is supported by this spindle drive controller.
Q: Does the RAC 2.2-200-380-A0I-Z1 come with an additional bleeder?
A: An additional bleeder is included with the RAC 2.2-200-380-A0I-Z1 model.
