KDA 3.3-150-3-AQI-W1

The Bosch Rexroth Indramat KDA 3.3-150-3-AQI-W1 is a high-performance spindle drive from the distinguished KDA Spindle Drives series by Bosch Rexroth Indramat. This main spindle drive features a Rated Current of 150 A and a DC Bus Voltage of 300 V, providing robust power delivery for demanding industrial applications. Designed for precision motion control, it delivers continuous power across an extensive speed range while maintaining high stiffness and accurate positioning. Its primary function is to drive machine tool spindles with exceptional responsiveness and reliability.

Incorporating advanced technical specifications, the KDA 3.3-150-3-AQI-W1 employs a Speed Command Value of Analog +/- 10V for seamless integration with servo controllers. The drive’s cooling system is Forced Cooled by Heatsink Blower, powered by a dedicated AC Supply Source for Heatsink Blower of 220 VAC to ensure optimal thermal management under continuous load. Auxiliary interfaces include an Aux. Encoder Input for 1V sinusoidal encoder signals and an Aux. Interface delivering an Incremental Encoder Output for precise feedback loops. The drive’s design configuration 3 and product designation KDA align with industry-standard module families for straightforward system integration.

Built for compatibility and durability, this spindle drive supports a wide array of encoders and control schemes, minimizing the need for custom interfaces. The forced cooling mechanism enhances operational efficiency by maintaining stable operating temperatures, reducing thermal drift and extending component life. Although no specific certifications are listed, the robust construction and careful thermal design meet the rigorous demands of modern machining centers. In industrial settings, the KDA 3.3-150-3-AQI-W1 drive delivers consistent performance, reduces downtime through reliable temperature control, and offers precise spindle speed regulation, resulting in improved throughput and machining accuracy.