KDA 3.2-100-3-D0S-U1

The Bosch Rexroth Indramat KDA 3.2-100-3-D0S-U1 from the KDA Spindle Drives series is engineered for demanding spindle applications with a rated current of 100 A and a DC bus voltage of 300 V to deliver continuous, high-stiffness performance. This drive features a Digital 16-Bit Parallel Speed Command Value interface for precise velocity control and is forced cooled by a heatsink blower to maintain optimal thermal stability. With a compact Design 2 footprint and rugged construction, the unit is tailored for both retrofit projects and new installations in multi-axis machining centers. The combination of advanced power electronics and real-time response makes this spindle drive ideal for high-speed, high-precision environments.

Reliability is ensured through a dedicated AC supply source for the heatsink blower at 115 VAC, which supports efficient heat dissipation under continuous load. Communication versatility is provided by the integrated Serial Interface RS 232 C auxiliary interface and an Auxiliary encoder input configured as Without, simplifying system integration and diagnostics. The drive’s modular Product KDA platform and Series 3 control architecture enable seamless compatibility with legacy Indramat systems while offering future-proof expansion paths. Forced cooling and robust component selection extend service life, reduce thermal drift, and minimize maintenance intervals.

Designed for CNC spindles, grinding units, and high-speed milling heads, the KDA 3.2-100-3-D0S-U1 delivers rapid torque response and stable speed regulation even under variable cutting loads. Its combination of 300 V DC bus capability, precise 16-bit speed command resolution, and dedicated cooling infrastructure ensures consistent spindle accuracy and maximum uptime. Overall, this drive represents a technically advanced solution for manufacturers seeking high dynamic performance and dependable operation in critical machining processes.