R911238161 (RAC 2.2-250-380-A0S-W1)

RAC Spindle Drive Controllers

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The R911238161 (RAC 2.2-250-380-A0S-W1), renowned globally for its precise performance, stability, and longevity, is a leading main spindle controller developed by Rexroth Indramat. It pairs seamlessly with high current control servo motors like Indramat's 2AD and 1MB models, excelling particularly in numerically controlled industrial machines. Flexibility remains at the core of its software components, affording simplicity in installation and servicing operations. The controller features a closed-loop control system that adjusts and corrects the spindle motor positioning as per the software module instructions. Besides, it employs a highly efficient temperature control system, having an internal fan and a heatsink for dissipating excess heat. For instances requiring advanced cooling, an additional cooling hose can be integrated. The R911238161 (RAC 2.2-250-380-A0S-W1) operates on a control voltage of either 3 x AC 400V or 3 x AC 460V, and it can manage ambient temperatures up to 55°C. Its continuous and peak power outputs are 65kW and 78kW respectively, making this 121kg controller a robust choice, complete with a one-year global warranty from Indramat USA.