KDA 2.1-050-3-LQS-W1

The Bosch Rexroth Indramat KDA 2.1-050-3-LQS-W1 drive from the KDA Spindle Drives series by Bosch Rexroth Indramat delivers precision spindle control with a Rated Current of 50 A and a robust DC Bus Voltage of 300 V. Engineered for high stiffness and accurate positioning, this main spindle drive supports an extensive speed range with continuous power output, making it ideal for demanding machining operations. The drive’s advanced firmware implements dynamic torque compensation and stall prevention algorithms to ensure smooth acceleration and deceleration profiles. Comprehensive diagnostic feedback enables real-time condition monitoring and minimizes downtime during integration and maintenance.

The KDA 2.1-050-3-LQS-W1 features a Forced Cooled by Heatsink Blower arrangement, powered by an AC Supply Source for Heatsink Blower of 220 VAC, to maintain optimal thermal stability even under peak load conditions. An Aux. Encoder Input for 1V Sinusoidal Enc. provides high-resolution position feedback, while the Aux. Interface via Serial Interface RS 232 C facilitates seamless parameterization and firmware updates. Speed commands are accepted through the industry-standard SERCOS - Interface Speed Command Value, ensuring deterministic real-time communication with CNC controllers and motion networks. The modular design permits installation in compact drive cabinets and supports flexible mounting orientations.

Designated as Design 1 within the product line, this Product KDA drive belongs to Series 2 and shares mechanical footprints and electrical interfaces with other KDA variants for straightforward upgrade paths. Built-in protection features include overcurrent, overvoltage, and thermal trip thresholds, safeguarding both motor and drive electronics. With its combination of 50 A rated current capability, high bus voltage headroom, and forced-air cooling, the KDA 2.1-050-3-LQS-W1 is a versatile and reliable solution for high-performance spindle applications in milling, drilling, and grinding centers.