KDA 2.1-050-3-LQI-W1 Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The Bosch Rexroth Indramat KDA 2.1-050-3-LQI-W1 is a spindle drive in the KDA Spindle Drives series, featuring a rated current of 50 Amps and a DC supply voltage of 300 Volts. This model uses a mounted heatsink blower for forced cooling and supports an ambient temperature range of 5 to 45 degrees Celsius. It includes an incremental encoder output and a SERCOS interface for speed command value.
Internal Product Review
The KDA 2.1-050-3-LQI-W1 spindle drive from Bosch Rexroth Indramat features a rated current of 50 A and DC supply voltage of 300 VDC, providing strong performance for demanding spindle applications. Forced cooling with a mounted heatsink blower ensures stable operation within an ambient temperature range of 5 to 45 degrees Celsius. The inclusion of an incremental encoder output and SERCOS interface enhances integration and control flexibility.
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Product Description:
The KDA 2.1-050-3-LQI-W1 spindle drive is produced by Bosch Rexroth Indramat within the KDA Spindle Drives series. Classified as version 2 in the product line, the unit serves as a regulated power stage for AC spindles in CNC machining centers and automated production cells. Acting between a DC bus supply and the motor, it interprets velocity references from a higher-level controller and modulates current so that the spindle receives precise torque for drilling, milling, or turning tasks.
Its DC link accepts 300 VDC, and the power section can deliver up to 50 A of continuous motor current for the connected spindle. Thermal stability is maintained by a mounted heat sink blower that pulls air across the rear fin stack. This hardware is supported by a forced cooling design, so waste heat is removed even at low motor speeds. The blower itself is energized from an auxiliary line rated at 220 V 50–60 Hz, allowing it to operate independently of the main DC bus and maintain fixed airflow regardless of load.
Reliable operation is permitted between 5 to 45 °C, and installation is allowed up to 1000 m altitude. Velocity commands arrive through a SERCOS interface, while position feedback can be forwarded to external control hardware through an incremental encoder output. This arrangement allows the drive to exchange motion data with distributed control systems while maintaining regulated spindle operation. The operating limits suit typical factory conditions, and the communication path supports integration with coordinated machine control. Wake Industrial can ship this motor internationally via a variety of carriers. Additionally, Wake Industrial offers a one-year warranty on this Bosch Rexroth KDA 2.1-050-3-LQI-W1 spindle drive. For questions on type codes, customers can use the chat tool available on the website.
