KDA 3.2-100-3-DP0-W1 Bosch Rexroth Indramat
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MPN: R911249587
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The Bosch Rexroth Indramat KDA 3.2-100-3-DP0-W1 is a spindle drive in the KDA Spindle Drives series, designed for forced cooling with a mounted heatsink blower operating on 220V AC at 50-60Hz. It features a rated current of 100 Amps and a DC supply voltage of 300 VDC, with a digital 16 bit parallel speed command value and an ambient temperature range of 5 to 45 degrees Celsius.
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Product Description:
The KDA 3.2-100-3-DP0-W1 is a spindle drive module produced by Bosch Rexroth Indramat for the KDA Spindle Drives series. Within a CNC system, it conditions DC-bus energy and controls stator frequency so the attached spindle motor can follow precise speed ramps used in metal cutting, drilling, and similar machining tasks. That control behavior helps the spindle maintain commanded speed during changing load conditions and supports stable operation during repeated machining cycles. The leading digit in the type code identifies the third functional series, and the revision tag indicates the second version of this drive design.
The power section operates from a 300 VDC intermediate circuit and can deliver a continuous output of 100 A, giving the drive enough current for high-torque acceleration of heavy spindles. Speed references are sent as a digital 16-bit parallel input, which avoids analog drift and supports accurate ratio control in synchronized axes. A dedicated second encoder input accepts spindle position feedback or an auxiliary motor encoder, allowing the controller to process an additional feedback source without external interpolation hardware. The unit has no additional interface option, which keeps the connection layout focused on the standard control and feedback paths.
Thermal management uses a mounted heatsink swept by a blower powered from 220 V/50-60 Hz utility supply. This arrangement provides forced cooling so the power semiconductors can dissipate heat effectively when cabinet airflow is limited. The electronics remain fully rated between 5 to 45 °C, covering typical industrial enclosure conditions without immediate output derating. Installation is supported up to 1000 m above sea level; above this altitude, reduced air density can lower cooling performance and may require additional airflow.
Frequently Asked Questions about KDA 3.2-100-3-DP0-W1:
Q: What is the rated current of the KDA 3.2-100-3-DP0-W1 spindle drive?
A: This model operates with a rated current of 100 A, making it suitable for high-power spindle applications.
Q: What is the ambient temperature range for operating the KDA 3.2-100-3-DP0-W1?
A: The KDA 3.2-100-3-DP0-W1 is designed to work in ambient temperatures ranging from 5 to 45 degrees Celsius.
Q: How is the KDA 3.2-100-3-DP0-W1 spindle drive cooled?
A: This spindle drive features a mounted heatsink blower for forced cooling, ensuring efficient heat dissipation during operation.
Q: What is the required DC supply voltage for the KDA 3.2-100-3-DP0-W1?
A: The KDA 3.2-100-3-DP0-W1 accepts a DC supply voltage of 300 VDC for its operation.
Q: Does the KDA 3.2-100-3-DP0-W1 include a second encoder input?
A: This model supports a second encoder input for spindle feedback or additional motor feedback.
