KDA 3.3-050-3-A0S-U1

The Bosch Rexroth Indramat KDA 3.3-050-3-A0S-U1 from the KDA Spindle Drives series by Bosch Rexroth Indramat delivers precision spindle control with a Rated Current of 50 A and a DC Bus Voltage of 300 V. This 3-design drive, product family designation KDA, combines high stiffness, advanced positioning features, and an extensive speed range with continuous power delivery. Built around a forced-air cooling scheme, the unit ensures consistent thermal management even under sustained load. Compact yet robust, the module’s architecture supports demanding machining and grinding applications.

Integration and communication are streamlined via the built-in Aux. Interface Serial Interface RS 232 C and a straightforward Aux. Encoder Input Without requirement for simpler system layouts. Command signals are handled through an Speed Command Value Analog +/- 10V input, delivering smooth acceleration and deceleration profiles. The heatsink blower draws power from a dedicated AC Supply Source for Heatsink Blower of 115 VAC to maintain optimal junction temperatures. With a proven forced cooling method and a standardized series 3 form factor, installation and maintenance are expedited across the spindle drive family.

Engineered for reliability and peak performance, the KDA 3.3-050-3-A0S-U1 excels in high-precision milling, drilling, and grinding centers. Its consistent power curve and rugged construction ensure minimal downtime in harsh industrial environments. The drive’s compact footprint and standardized interfaces make it an ideal choice for OEMs and system integrators seeking dependable spindle control solutions.