RAC 2.2-150-460-A00-Z1

The RAC 2.2-150-460-A00-Z1, Bosch Rexroth Indramat, RAC Spindle Drive Controllers unit leverages proven Indramat spindle drive technology in a compact, high-density footprint. This Version 2 controller is built for precision machining, offering seamless control of main spindle motors in demanding CNC environments. Its rugged housing and modular interface deliver both mechanical stability and ease of installation, optimized for rapid retrofit or new-build machines. Designed to meet rigorous industrial standards, it ensures continuous operation under fluctuating load and thermal stress.

Incorporating a wide Rated Connection Voltage range of 3 × AC 400 V, 50 Hz, ±15% or 3 × AC 460 V, the controller regulates spindle currents up to a Rated Current of 150 A with exceptional linearity. An Additional Bleeder circuit actively manages DC-link voltage damping, while an Internal Blower / Built-in fan cooling system maintains optimal thermal conditions for the power stage. The dedicated Interface Terminal X4 (9 poles) provides clear segregation of power, feedback, and control signals, and the Speed Command analogue input (±10 V) supports smooth acceleration ramps and fine speed adjustments. As an AC Main Spindle Drive Controller with Additional Encoder Input without encoder option, it simplifies system layouts where direct encoder feedback is unnecessary, reducing complexity and cost.

Engineers benefit from straightforward integration with Indramat and third-party CNC controllers via standardized interfaces and wiring diagrams. The robust cooling architecture and bleeder assembly enhance the controller’s reliability, minimizing maintenance intervals and prolonging component life in high-duty-cycle operations. Ideal for high-speed milling, turning, and grinding applications, the RAC 2.2-150-460-A00-Z1 delivers precise torque control and rapid dynamic response, boosting productivity and uptime across diverse manufacturing environments.