KDA 3.3-100-3-L0D-U1

The Bosch Rexroth Indramat KDA 3.3-100-3-L0D-U1 drive from the KDA Spindle Drives series by Bosch Rexroth Indramat delivers robust spindle performance with high stiffness and precise positioning. This main spindle drive supports continuous operation across an extensive speed range, ensuring stable torque delivery under heavy machining loads. Engineered for demanding CNC applications, it combines advanced power electronics with a compact footprint. Its design optimizes heat dissipation while maintaining signal integrity for consistent control.

At its core, the KDA 3.3-100-3-L0D-U1 offers a Rated Current of 100 A fed by a DC Bus Voltage of 300 V, providing continuous power to high-inertia spindles. Forced Cooled by Heatsink Blower technology leverages an AC Supply Source for Heatsink Blower at 115 VAC to maintain optimal junction temperatures. Command interfaces include a Speed Command Value via SERCOS - Interface and a Position Command Value Digital 16-Bit Parallel Aux. Interface, ensuring deterministic motion control. The unit’s Design classification is 3, matching the Series value of 3 and clearly identified as product type KDA. An Aux. Encoder Input is provided as Without encoder, simplifying integration where position feedback is managed externally.

Engineered for seamless integration into SERCOS-based CNC architectures, the KDA 3.3-100-3-L0D-U1 ensures synchronized multi-axis coordination and rapid response to dynamic load changes. Its forced cooling and robust electronics guarantee high reliability in continuous-duty environments, minimizing downtime and maintenance intervals. Ideal for milling, turning, and grinding operations, this spindle drive enhances throughput and surface quality in precision machining centers.