RAC 2.3-200-380-L00-W1 Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
MPN: R911261089
The Bosch Rexroth Indramat RAC 2.3-200-380-L00-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 operates with a rated current of 200 Amps. The controller uses internal blower cooling and provides a speed command via SERCOS interface.
Internal Product Review
The RAC 2.3-200-380-L00-W1 is a Bosch Rexroth Indramat AC main spindle drive controller with internal blower cooling for dependable thermal control. SERCOS speed command capability and the X4 optical waveguide terminal support clean integration into high-performance spindle systems. A 200 A rated current with 3 x AC 400 V input gives the unit strong drive capacity for demanding machine tool applications.
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Product Description:
The RAC 2.3-200-380-L00-W1 is an AC main spindle drive controller produced by Bosch Rexroth Indramat within the RAC Spindle Drive Controllers series. As a main-axis regulator, it delivers closed-loop speed control to induction or synchronous spindle motors, allowing machining centers and turning equipment to maintain commanded revolutions during cutting cycles. The controller occupies a central position in the drive stack and exchanges status, torque limits, and diagnostic data with a higher-level CNC or PLC. In spindle applications, that control loop helps the machine hold the requested speed as cutting load changes during tool entry, material removal, and deceleration. Because the spindle axis often shares timing with feed axes, stable speed regulation also helps maintain consistent cutting conditions during programmed motion.
For power distribution, the unit accepts three-phase 400 V AC at 50/60 Hz. Its inverter section is rated for a continuous output of 200 A, which supports large spindle motors during sustained operation and acceleration. Temperature rise is managed by a built-in blower, which moves air across the power section without requiring separate cabinet ducting. Command and feedback signals pass through optical waveguides on connector X4, reducing the effect of electrical noise on the control electronics. This optical connection also helps separate low-level signal transmission from the surrounding high-power switching environment. Velocity setpoints arrive through the SERCOS interface, allowing cycle-synchronous coordination between the spindle and interpolating axes. The controller can therefore exchange timing-critical commands with the CNC while the spindle remains coordinated with axis interpolation and speed changes.
The unit is supplied without an additional bleeder, so excess DC-bus energy must be handled by the machine brake resistor. It also comes without an additional encoder input, so spindle position feedback is taken from the primary motor encoder. The drive is Series 2 with Version 3. That arrangement is typical where regenerative energy handling and primary feedback are managed by the broader machine drive architecture.
