KDA 3.2-150-3-DPD-W1 Bosch Rexroth Indramat
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MPN: R911228171
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The Bosch Rexroth Indramat KDA 3.2-150-3-DPD-W1 is a spindle drive from the KDA Spindle Drives series with a rated current of 150 Amps and a DC supply voltage of 300 VDC. It uses forced cooling through a mounted heatsink blower, and operates in ambient temperatures from 5 to 45 degrees Celsius. The drive supports a digital 16 bit parallel speed command value and offers additional interfaces for position command value and spindle feedback.
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Product Description:
The KDA 3.2-150-3-DPD-W1 spindle drive from Bosch Rexroth Indramat belongs to the KDA Spindle Drives series version 2 of series 3. It functions as the axis inverter that supplies controlled three-phase power to high-speed machining spindles in CNC systems. When paired with a compatible controller it converts the regulated DC link from a common power supply into variable frequency output current, letting the machine tool adjust cutting speed on demand. Integrated digital interfaces allow the unit to share real-time speed and position data with the master numerical control, supporting coordinated multi-axis operation.
At the power stage the drive is rated for 150 A continuous output, giving sufficient current headroom for large milling or grinding spindles. It draws its DC bus from a separate supply set to 300 VDC. Thermal energy generated during full-load duty is removed by a Mounted Heatsink Blower; this assembly moves air directly across the heat sink fins. The blower itself is fed from a dedicated 220V/50-60Hz auxiliary line, and airflow is regulated under the drive’s Forced Cooling mode to keep semiconductor junction temperatures within limits. A secondary encoder socket is available so that spindle feedback or an additional motor encoder can be wired without extra modules.
The command side is entirely numerical; a Digital (16 bit parallel) channel supplies the speed reference, while a separate interface accepts a Position command value, digital stream for synchronized threading or orientation moves. Reliable operation is specified for ambient temperatures from 5 to 45 Degrees Celsius, and installation is permitted up to 1000M above sea level without output derating. These environmental limits pair with the forced-air cooler to keep component stress low during continuous machining cycles.
Frequently Asked Questions about KDA 3.2-150-3-DPD-W1:
Q: What is the rated current of the KDA 3.2-150-3-DPD-W1 spindle drive?
A: The KDA 3.2-150-3-DPD-W1 operates with a rated current of 150 A, allowing it to handle high power spindle applications.
Q: How is the KDA 3.2-150-3-DPD-W1 spindle drive cooled?
A: This spindle drive features a mounted heatsink blower for forced cooling, ensuring reliable thermal management during operation.
Q: What is the ambient temperature range for operating the KDA 3.2-150-3-DPD-W1?
A: The ambient operating temperature range for the KDA 3.2-150-3-DPD-W1 is 5 to 45 degrees Celsius.
Q: What type of position command value interface does the KDA 3.2-150-3-DPD-W1 offer?
A: It supports digital position command values, allowing precise control from connected systems.
Q: What is the maximum installation elevation for the KDA 3.2-150-3-DPD-W1 spindle drive?
A: The KDA 3.2-150-3-DPD-W1 can be installed at elevations up to 1000 meters above sea level.
