KDA 3.3-100-3-A0D-W1

The Bosch Rexroth Indramat KDA 3.3-100-3-A0D-W1 from the KDA Spindle Drives series delivers robust spindle control with a current rated of 100 A and a continuous current of 70 A. Engineered by Bosch Rexroth Indramat, this drive controller accommodates up to 300 V rated voltage to suit demanding machining applications. Built on a Series 3 platform with a Design 3 housing, the unit integrates advanced positioning capabilities and an extensive speed range. Its compact footprint and modular architecture simplify integration into multi-axis milling and turning centers.

The controller features an Analog +/- 10V Speed Command Value input for smooth velocity control and offers an Aux. Encoder Input without Aux. Interface1 for optional feedback integration. Forced cooling is provided by a heat-sink blower rated for AC 50–60 V connection, ensuring thermal stability under continuous operation. This cooling arrangement maintains optimal junction temperatures even at full load and high duty cycles. The drive’s internal interface design supports quick commissioning and straightforward diagnostics via standard industrial protocols.

Optimized for high-stiffness spindle applications, the KDA 3.3-100-3-A0D-W1 excels in precision drilling, milling, and grinding tasks. Its rugged construction and reliable thermal management reduce maintenance intervals and maximize uptime. By combining precise current control and scalable cooling, this spindle drive controller offers an ideal solution for modern machine tool builders seeking performance and durability.