RAC 2.3-150-380-L00-W1 Bosch Rexroth Indramat
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MPN: R911263241
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The Bosch Rexroth Indramat RAC 2.3-150-380-L00-W1 is an AC main spindle drive controller from the RAC Spindle Drive Controllers series. It features a rated current of 150 Amps, a rated connection voltage of 3 x AC 400 V at 50-60Hz, and uses an internal blower for cooling. The controller supports SERCOS interface for speed command and has an X4 optical waveguide terminal.
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Product Description:
The RAC 2.3-150-380-L00-W1 is an AC main spindle drive controller produced by Bosch Rexroth Indramat for the RAC Spindle Drive Controllers series. It governs torque and speed on machining center spindles by translating digital motion commands into controlled three-phase output. The unit mounts in modular drive cabinets and shares a common DC bus with auxiliary axis drives, allowing the spindle to accelerate and decelerate in concert with feed axes during complex industrial automation cycles. This arrangement supports coordinated spindle response during tool changes, contouring moves, and rapid speed transitions in automated machine tools. Because the spindle and feed axes share bus energy, the controller fits systems where motion timing must remain tightly synchronized.
Rated input power is accepted at 3 × AC 400 V, 50–60 Hz, so it connects directly to standard plant mains. From this supply, it can furnish a continuous output of 150 A, giving the spindle high starting torque and short ramp times. Internal heat is removed by a built-in fan, so no external ducting is required. Velocity setpoints enter through the SERCOS interface, and diagnostic plus parameter data are routed over connector X4 optical waveguides for noise-immune communication and galvanic isolation. Deterministic communication helps maintain repeatable command timing during synchronized interpolation and spindle orientation tasks.
The controller is Series 2. The unit is delivered without an additional bleeder, so excess regenerative energy must be absorbed by the shared DC link or an external resistor assembly during rapid spindle deceleration. It is also supplied without an additional encoder input, which simplifies installation when only a single feedback device is required for speed control. The controller is Version 3. This configuration suits applications that rely on the main DC link for braking energy and use one motor feedback channel.
Frequently Asked Questions about RAC 2.3-150-380-L00-W1:
Q: What type of interface terminal does the RAC 2.3-150-380-L00-W1 use?
A: This model uses an X4 interface terminal that supports optical waveguides.
Q: What is the rated connection voltage for the RAC 2.3-150-380-L00-W1 spindle drive controller?
A: The RAC 2.3-150-380-L00-W1 operates at a rated connection voltage of 3 x AC 400 V, 50-60Hz.
Q: What is the rated current output of the RAC 2.3-150-380-L00-W1?
A: This spindle drive controller can deliver a rated current of 150 A.
Q: How is the RAC 2.3-150-380-L00-W1 cooled?
A: Cooling is provided with an internal blower and built-in fan for this model.
Q: Which speed command interface is supported by the RAC 2.3-150-380-L00-W1?
A: The SERCOS interface is used for speed command communication on this drive controller.
