KDA 3.3-050-3-DYS-U1

The KDA 3.3-050-3-DYS-U1, Bosch Rexroth Indramat, KDA Spindle Drives main spindle drive combines high stiffness, precision positioning, and an extensive speed range to handle demanding machining applications. It supports a DC Bus Voltage of 300 V and delivers a continuous Rated Current of 50 A, ensuring stable torque output and smooth acceleration across the entire operating window. Designed as part of the KDA Series, this drive carries a design designation of 3 and integrates seamlessly into high-performance CNC systems requiring dynamic spindle control. A built-in heatsink blower provides efficient heat dissipation under full-load conditions, while the compact form factor preserves valuable cabinet space and simplifies installation.

Key specifications include a Cooling method that is Forced Cooled by Heatsink Blower, powered by an AC Supply Source for Heatsink Blower of 115 VAC to maintain optimal thermal performance even under peak loads. Command signals are managed through a Speed Command Value interface of Digital 16-Bit Parallel resolution, delivering fine-grained velocity adjustments with minimal latency. The drive’s communication suite features an Aux. Interface via Serial Interface RS 232 C for parameter configuration and realtime diagnostics, while the Aux. Encoder Input supports auxiliary and synchronous inputs compliant with AS 35 standards. Additional technical details highlight the robust Product KDA architecture and series designation 3, ensuring consistent manufacturing quality and adherence to stringent industrial protocols.

Engineers will appreciate the straightforward integration with existing CNC controllers and the reduced wiring complexity afforded by the standardized RS 232 C interface and parallel speed command port. The combination of a forced-air heatsink blower and rugged construction delivers exceptional reliability in continuous operation, minimizing downtime and maintenance requirements. Ideal for precision milling, drilling, and turning centers, the KDA 3.3-050-3-DYS-U1 spindle drive elevates machine tool performance with precise speed control, robust torque delivery, and enduring operational stability.