KDA 3.1-100-3-LQI-W1

The Bosch Rexroth Indramat KDA 3.1-100-3-LQI-W1 from the KDA Spindle Drives series combines robust construction with precision control, delivering a Rated Current of 100 A and a DC Bus Voltage of 300 V for demanding spindle applications. Manufactured by Bosch Rexroth Indramat, this unit features Design 1 packaging in the proven KDA Product line. The drive’s integrated Series 3 power stage ensures consistent performance across its entire speed range, while the AC Supply Source for Heatsink Blower of 220 VAC supports reliable thermal management. Its compact form factor and modular layout facilitate straightforward integration into machine tool control cabinets.

Reliability is enhanced by Forced Cooled by Heatsink Blower cooling, which maintains stable junction temperatures under continuous load. Command inputs are handled via the Speed Command Value SERCOS - Interface, offering deterministic communication and minimal latency. Position feedback is supported by the Aux. Encoder Input for 1V Sinusoidal Enc., and precise output of motion data is available through the Incremental Encoder Output Aux. interface. These interfaces guarantee high-resolution synchronization and superior dynamic response. The drive also incorporates surge protection and overcurrent monitoring to safeguard both spindle motors and digital control systems.

Designed for high-stiffness spindle rigs, the KDA 3.1-100-3-LQI-W1 excels in applications requiring extensive speed range with continuous power delivery. Its advanced control algorithms and forced-cooling topology minimize thermal drift, ensuring consistent torque output throughout prolonged machining cycles. Overall, this spindle drive offers a balance of precision, power density, and serviceability, making it ideal for high-performance milling, grinding, and turning centers where uptime and accuracy are critical.