KDA 3.3-050-3-AQI-U1

The Bosch Rexroth Indramat KDA 3.3-050-3-AQI-U1 from the KDA Spindle Drives series by Bosch Rexroth Indramat delivers precision spindle control with a rated current of 50 A and a DC Bus Voltage of 300 V. This Product KDA in Design 3 is optimized for high stiffness and positioning accuracy, featuring speed command value Analog +/- 10V for fine-tuned velocity adjustments. Ambient cooling is managed via a Forced Cooled by Heatsink Blower system powered by an AC Supply Source for Heatsink Blower 115 VAC, ensuring stable thermal performance under prolonged load. Interfaces include an Aux. Encoder Input with 1V Sinusoidal Enc. and an Aux. Interface Incremental Encoder Output, facilitating seamless integration with motion controllers and feedback loops.

Engineered for demanding spindle applications, the KDA 3.3-050-3-AQI-U1 supports an extensive speed range and continuous power throughput without compromising reliability. The robust architecture of the Series 3 drive maintains consistent performance across variable load profiles, leveraging the heatsink blower’s forced-air circulation to dissipate heat effectively. Parameterization and diagnostics are streamlined through the auxiliary encoder paths, which relay high-resolution position data and velocity feedback. Every unit undergoes factory-calibrated testing to verify encoder compatibility and ensure operational stability in high-duty-cycle environments.

Compact yet rugged, this spindle drive is ideal for CNC machining centers, high-speed milling spindles, and contouring applications where torque precision and repeatability are critical. Its combination of 50 A rated current, 300 V DC bus, and flexible encoder interfaces makes the KDA 3.3-050-3-AQI-U1 a reliable choice for manufacturers seeking enhanced process throughput and accuracy in automated production lines.