KDA 3.2-100-3-AQ0-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KDA 3.2-100-3-AQ0-W1 is a spindle drive from the KDA Spindle Drives series and features a rated current of 100 Amps with a DC supply voltage of 300 VDC. It uses forced cooling with a mounted heatsink blower operated by a 220V AC source at 50-60Hz and supports ambient temperatures from 5 to 45 degrees Celsius.
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Product Description:
The KDA 3.2-100-3-AQ0-W1 is a spindle drive manufactured by Bosch Rexroth Indramat for the KDA Spindle Drives series. In machine-tool automation, it converts regulated DC-bus energy into variable three-phase power so that high-speed motors can maintain precise speed control during cutting, boring, or grinding cycles. The unit belongs to series 3 and operates as a standalone axis module that relies on an internal heatsink blower rather than cabinet ventilation. This layout suits machines that use a dedicated spindle channel and need stable speed response as cutting load changes.
The heatsink blower is powered from an auxiliary source rated at 220 V/50–60 Hz, letting the cooling circuit stay active even when the DC link is de-energized. Main power reaches the drive on a shared bus that supplies 300 VDC, which matches the characteristic voltage used by compatible Indramat supply modules in multi-axis racks. Thermal removal is handled by a mounted heatsink blower working in forced cooling mode, so airflow remains stable under changing spindle loads. The power stage can deliver a continuous phase current of 100 A, allowing the drive to run medium-frame asynchronous or synchronous spindles without derating. Because the speed reference is processed as an analog signal, the command loop can integrate with legacy CNC controls through differential voltage channels. This arrangement helps the drive maintain thermal stability during long machining cycles.
Ambient operation is permitted from 5 to 45 °C, and installation is allowed up to 1000 m above sea level. The speed command uses an analog interface, which supports systems that do not use fieldbus communication. It can therefore fit control architectures that use conventional analog speed commands and only need the base drive functions. The unit has no additional interface option, so it relies on its standard control connections. The control board is Series version 2, indicating an updated signal-conditioning revision compared with earlier releases.
Frequently Asked Questions about KDA 3.2-100-3-AQ0-W1:
Q: What is the rated current of the KDA 3.2-100-3-AQ0-W1 spindle drive?
A: The KDA 3.2-100-3-AQ0-W1 spindle drive has a rated current of 100 A.
Q: What cooling method is used in the KDA 3.2-100-3-AQ0-W1 spindle drive?
A: This model uses forced cooling with a mounted heatsink blower for temperature management.
Q: What AC source voltage and frequency does the KDA 3.2-100-3-AQ0-W1 heatsink blower require?
A: The AC source required for the heatsink blower is 220V at 50-60Hz.
Q: What is the maximum installation elevation for the KDA 3.2-100-3-AQ0-W1 spindle drive?
A: This spindle drive can be installed at elevations up to 1000 meters above sea level.
Q: What kind of speed command input does the KDA 3.2-100-3-AQ0-W1 spindle drive use?
A: The speed command value for this product is provided in analogue form.
