KDA 3.3-100-3-A0I-W1

The KDA 3.3-100-3-A0I-W1, Bosch Rexroth Indramat, KDA Spindle Drives controller delivers precise spindle performance in demanding machining and automation environments. This high-performance drive combines robust power electronics with intelligent control features to manage a wide speed range and high torque stiffness. Engineered for main spindle applications, it streamlines integration with industry-standard feedback and command interfaces. Its compact yet rugged architecture ensures optimal thermal management and long-term durability.

Incorporating a Rated Voltage of 300 V DC and a Current Rated capacity of 100 A, the controller sustains a Continous Current of 70 A for extended operation. The built-in heatsink blower powered by Rated Connection Voltage for attached Blower of AC 50–60 Hz provides forced cooling to maintain stable junction temperatures. Velocity control is achieved with an Analog +/− 10V Speed Command Value, while the absence of an Aux. Encoder Input and auxiliary interface simplifies wiring for applications that rely solely on direct drive feedback. As a Series 3, Design 3 unit in the KDA product line, it adheres to stringent Rexroth quality standards and supports seamless integration with Bosch Rexroth Indramat control systems.

Designed for turnkey installation, the KDA 3.3-100-3-A0I-W1 easily dovetails with existing CNC and PLC platforms, reducing setup time and commissioning costs. Its forced-air cooling blower and durable power stage enable consistent performance in high-duty-cycle machining centers, ensuring reliable throughput. With minimal maintenance requirements and a proven track record in metalworking, this spindle drive offers outstanding uptime, making it ideal for precision milling, turning, and grinding applications.