KDA 3.3-150-3-L0D-W1

The Bosch Rexroth Indramat KDA 3.3-150-3-L0D-W1 main spindle drive, part of the KDA Spindle Drives series by Bosch Rexroth Indramat, delivers robust performance for demanding machining applications. Designed as a high-stiffness, positioning-capable module, it features a Rated Current of 150 A and a DC Bus Voltage of 300 V, enabling continuous power delivery across a wide speed range. This drive’s primary function is to control and power the main spindle in industrial CNC and milling systems, ensuring precise rotation speed and torque for accurate material removal and high-quality finishes.

Incorporating advanced technical specifications, the KDA 3.3-150-3-L0D-W1 employs a Forced Cooled by Heatsink Blower cooling system with an AC Supply Source for Heatsink Blower set at 220 VAC to maintain optimal operating temperatures under sustained load. The drive accepts a Speed Command Value via the SERCOS - Interface, supporting real-time digital communication for precise speed setpoint delivery. An Aux. Interface of Position Command Value Digital 16-Bit Parallel enables direct parallel feedback integration for enhanced positional accuracy, while the Aux. Encoder Input is specified as Without, simplifying system wiring when auxiliary positional feedback is not required.

Constructed under Design 3 standards with the KDA product designation and Series 3 classification, this spindle drive is engineered for compatibility with standard SERCOS networks and conventional industrial power supplies. Its forced cooling mechanism and digital command interfaces contribute to high reliability and reduced downtime. While no additional certifications are specified in the provided data, its compliance with industry-standard SERCOS communication and rated power parameters ensures seamless integration into modern CNC architectures. Employing this robust spindle drive yields significant benefits in industrial applications, including enhanced machining precision, improved thermal stability, and long-term operational efficiency.