RAC 2.3-250-380-LP0-W1

The Bosch Rexroth Indramat RAC 2.3-250-380-LP0-W1 from the RAC Spindle Drive Controllers series is a high-performance AC Main Spindle Drive Controller engineered for demanding industrial applications. It operates on a Rated Connection Voltage of 3 x AC 400 V, 50-60Hz and delivers up to 250 A Rated Current to drive precision spindles with stable torque output. This Version 3 unit features an internal blower and built-in fan Cooling system, ensuring consistent thermal management without external accessories. With its design omitting an Additional Bleeder, it reduces component count while maintaining safety and electromagnetic compliance.

The controller’s feedback architecture supports a High-resolution INDRAMAT encoder and an Additional encoder input for spindle feedback, allowing ultra-precise speed tracking and position control. Integration into machine networks is simplified via the SERCOS interface Speed Command and an analog 10V Speed Set-Point, offering flexible control options for both modern and legacy systems. Connectivity is further enhanced by optical waveguide Interface Terminal X4, providing immunity to EMI and safe separation of drive electronics. Built on Series 2 hardware foundations, this controller merges proven reliability with cutting-edge control algorithms to minimize spindle vibration and optimize surface finish.

Designed for seamless cabinet mounting, the RAC 2.3-250-380-LP0-W1 balances compact dimensions with rugged performance, making it ideal for milling, grinding, and drilling operations. Its self-contained cooling and feedback subsystems cut installation time and lower maintenance requirements, while the absence of a separate bleeder simplifies wiring and reduces voltage hazards. Overall, this drive controller offers a robust solution for precision spindle management in high-throughput manufacturing environments.