KDA 2.1-150-3-L0I-W1

KDA 2.1-150-3-L0I-W1, Bosch Rexroth Indramat, KDA Spindle Drives offers a high-stiffness spindle drive solution optimized for precision machining and dynamic spindle control. Its robust design provides excellent rigidity and thermal stability, ensuring consistent performance across the entire speed range. The drive’s integrated control architecture simplifies system integration and centralises spindle management for streamlined machine tool operation. Comprehensive diagnostics and real-time monitoring enhance maintainability and uptime, meeting the demands of modern manufacturing.

The drive accepts a DC Bus Voltage of 300 V and delivers a continuous Rated Current of 150 A, providing substantial torque for demanding spindle applications. Forced cooling is achieved via a Cooling system equipped with a dedicated Heatsink Blower powered by an AC Supply Source for Heatsink Blower of 220 VAC, maintaining optimal thermal conditions under peak load. Interface options include Speed Command Value through a SERCOS - Interface and feedback via an Aux. Interface supporting incremental encoder outputs; an Aux. Encoder Input is available in a “Without” configuration for customized feedback schemes. The drive’s mechanical Design follows the industry-standard Product="KDA" series,, labeled Series="2", ensuring compatibility with existing KDA modules and retrofits.

Engineered for seamless integration into CNC systems, the KDA 2.1-150-3-L0I-W1 drive enhances spindle speed control precision while minimising vibration. Its modular architecture and standardised interfaces accelerate commissioning, reducing machine downtime. High reliability and consistent thermal management make it an ideal choice for high-performance milling, drilling, and grinding applications in aerospace, automotive, and general-purpose machining industries.