KDA 3.2-050-3-A00-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.
MPN: R911231175
The Bosch Rexroth Indramat KDA 3.2-050-3-A00-W1 is a spindle drive from the KDA Spindle Drives series with a rated current of 50 Amps and a DC supply voltage of 300 VDC. It uses a mounted heatsink blower with forced cooling and supports operation in ambient temperatures ranging from 5 to 45 degrees Celsius. This model takes an analog speed command value and is designed for installation up to 1000 meters above sea level.
Internal Product Review
The KDA 3.2-050-3-A00-W1 spindle drive from Bosch Rexroth Indramat is designed for demanding applications with a rated current of 50 A and a DC supply voltage of 300 VDC. Forced cooling via a mounted heatsink blower ensures consistent temperature management, even in continuous operation. This unit excels in environments up to 45°C and 1000 meters elevation, making it a reliable spindle drive choice for industrial systems.
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Product Description:
The Bosch Rexroth Indramat KDA 3.2-050-3-A00-W1 belongs to the KDA Spindle Drives series and operates as a dedicated spindle drive module for CNC and general machine tool automation. It receives a stabilized DC link from a central supply unit and modulates that energy so a high-speed motor can be started, ramped, and held at the programmed velocity during cutting or drilling cycles. Because it works from a shared supply section, the module serves as the power stage between the cabinet DC bus and the spindle motor. This arrangement supports regulated acceleration and steady spindle speed in machining systems that rely on coordinated axis and spindle control.
The drive uses a 300 VDC intermediate bus source and can deliver up to 50 A of continuous output current to the connected motor windings. A heat sink blower powered from 220 V/50-60 Hz mains is mounted directly on the housing, creating a mounted heat sink blower arrangement for thermal management. Internal ducting directs air across the power semiconductors and heat sink surfaces, and this supports forced cooling during sustained spindle operation. The electronics are intended for ambient temperatures from 5 °C to 45 °C, which fits typical indoor machine tool environments. This cooling layout helps the drive maintain output during long cutting passes and repeated speed changes.
The unit can be installed at elevations up to 1000 m above sea level, and it accepts an analog speed command so legacy numerical controls can send velocity references directly. That input method suits systems that use a continuous reference signal rather than a digital speed command. It is series 3 and version 2, while the A00 code indicates that no additional interface option is installed. The second encoder socket is omitted, which matches applications that use only motor-mounted feedback. The module remains part of the KDA Spindle Drives platform for spindle control in multi-axis machining centers.
