KDA 3.2-050-3-A00-W1 Bosch Rexroth Indramat
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MPN: R911231175
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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.
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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.
Frequently Asked Questions about KDA 3.2-050-3-A00-W1:
Q: What type of cooling system does the KDA 3.2-050-3-A00-W1 spindle drive utilize?
A: The KDA 3.2-050-3-A00-W1 spindle drive features forced cooling with a mounted heatsink blower.
Q: What is the required DC supply voltage for the KDA 3.2-050-3-A00-W1?
A: This spindle drive requires a 300 VDC supply for operation.
Q: What is the rated current of the KDA 3.2-050-3-A00-W1 spindle drive?
A: The rated current for the KDA 3.2-050-3-A00-W1 spindle drive is 50 A.
Q: What is the allowable ambient temperature range for the KDA 3.2-050-3-A00-W1?
A: This model is designed to operate reliably in ambient temperatures ranging from 5 to 45 degrees Celsius.
Q: How is the speed command value set on the KDA 3.2-050-3-A00-W1 spindle drive?
A: The speed command for the KDA 3.2-050-3-A00-W1 is provided via an analogue input.
