KDA 2.1-100-3-AYI-W1

The Bosch Rexroth Indramat KDA 2.1-100-3-AYI-W1 from the KDA Spindle Drives series delivers robust spindle control via its Rated Current of 100 A and a DC Bus Voltage of 300 V. This precisely engineered module operates on a AC Supply (Heatsink Blower) of 220 VAC auxiliary power, ensuring stable cooling under prolonged loads. Designed with high stiffness and positioning accuracy, the drive supports a broad continuous power range for demanding spindle applications. With a compact Design 1 footprint and Series Number 2 classification, it integrates seamlessly into existing CNC and milling systems.

Control integration benefits from a Speed Command Input of ±10 V analog, enabling fine-tuned velocity adjustments across the full speed spectrum. Both an Auxiliary Encoder Input (Auxiliary & synchronous AS 35) and an Auxiliary Interface Output for incremental encoders provide dual-loop feedback, optimizing dynamic response and positional precision. The Cooling Method of forced cooling via heatsink blower ensures consistent thermal performance even at maximum current draw. As part of the Product Series KDA, this drive adheres to Rexroth Indramat’s strict quality benchmarks and supports continuous operation in high-precision machining centers.

Overall, the KDA 2.1-100-3-AYI-W1 spindle drive embodies advanced thermal management, precise feedback integration, and industrial-grade power handling. Its combination of forced heatsink blower cooling and robust encoder interfacing guarantees reliable performance in varied production environments. This solution is ideal for CNC lathes, milling machines, and automated spindle systems requiring tight torque control and extended duty cycles.