KDA 3.3-150-3-AQD-U1

The Bosch Rexroth Indramat KDA 3.3-150-3-AQD-U1 drive is a high-performance unit in the KDA Spindle Drives series, engineered by Bosch Rexroth Indramat for demanding spindle applications. This main spindle drive delivers a Rated Current of 150 A and operates on a DC Bus Voltage of 300 V, providing continuous power and extensive speed range for precision machining. Its design emphasizes high stiffness and accurate positioning features, making it ideally suited for high-precision milling, drilling, and turning operations in industrial production environments.

Incorporating robust technical specifications, the KDA 3.3-150-3-AQD-U1 utilizes a 3-phase design with a product family designation of KDA and series identifier 3. The drive is forced cooled by a heatsink blower powered from an AC Supply Source for Heatsink Blower of 115 VAC, ensuring reliable thermal management under continuous load. It accepts an Analog +/– 10 V Speed Command Value for seamless integration with machine controls and supports a Position Command Value Digital 16-Bit Parallel Aux. Interface for high-resolution positioning. An Aux. Encoder Input is provided for a 1 V sinusoidal encoder feedback, enabling precise motion control and closed-loop performance.

Designed for durability and compatibility within CNC machining centers and automated production lines, this spindle drive meets rigorous industrial standards for electromagnetic immunity and mechanical reliability. The heatsink blower cooling system enhances operational efficiency and extends service life, while the digital and analog command interfaces allow straightforward connection to existing control architectures. By combining high current capacity, stable DC bus voltage, and versatile command options, the KDA 3.3-150-3-AQD-U1 spindle drive delivers enhanced throughput, reduced cycle times, and consistent machining accuracy essential for modern manufacturing processes.