KDA 3.3-100-3-D0S-U1

The Bosch Rexroth Indramat KDA 3.3-100-3-D0S-U1 from the KDA Spindle Drives series offers high-precision performance with a rated current of 100 A and a DC Bus Voltage of 300 V. Engineered by Bosch Rexroth Indramat as part of the robust KDA product family, this main spindle drive features a three-phase Design 3 layout that delivers continuous power and exceptional rigidity for demanding machining tasks. Its compact form factor mounts directly to the machine tool structure to maximize stiffness and minimize vibration, enabling superior surface finishes and tight tolerance adherence. Integrated speed regulation and positioning functions support an extensive speed range and responsive acceleration profiles for complex contouring operations.

The drive’s command interface utilizes a Digital 16-Bit Parallel Speed Command Value input for high-resolution velocity setpoints, paired with a versatile Aux. Interface: Serial Interface RS 232 C for parameterization, diagnostics, and remote monitoring. Notably, the unit operates without an auxiliary encoder connection thanks to the Aux. Encoder Input: Without configuration, simplifying wiring and reducing cabinet space. Heat dissipation is managed by a Forced Cooled by Heatsink Blower system powered by an AC Supply Source for Heatsink Blower: 115 VAC, maintaining optimal junction temperature even under peak loads. As a Product: KDA drive in the Series: 3 family, it complies with stringent industrial standards and ensures seamless integration with existing motion control architectures.

Ideal for high-speed milling, grinding spindles, and precision turning centers, the KDA 3.3-100-3-D0S-U1 excels in applications that demand stable torque delivery and accurate positioning. Its combination of advanced thermal management, high-resolution digital command input, and compact mechanical design delivers reliable performance across extended duty cycles. This spindle drive represents a professional-grade solution for manufacturers seeking to enhance machine tool productivity and surface quality under continuous operation.