KDA 3.2-100-3-L00-W1 Bosch Rexroth Indramat
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MPN: R911248499
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The Bosch Rexroth Indramat KDA 3.2-100-3-L00-W1 is part of the KDA Spindle Drives series and operates with a rated current of 100 Amps and a DC supply voltage of 300 Volts. This spindle drive uses a forced cooling mode with a mounted heatsink blower powered by a 220V AC source at 50-60Hz. It supports a SERCOS interface for speed command value and is designed for ambient temperatures from 5 to 45 degrees Celsius.
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Product Description:
The Bosch Rexroth Indramat KDA 3.2-100-3-L00-W1 belongs to the KDA Spindle Drives series and acts as a dedicated power stage for synchronous and asynchronous machine tool spindles. It accepts energy from a common DC bus, synthesizes three-phase output, and responds to digital speed references delivered by the motion controller. Within an automated line, it supplies the torque, acceleration, and braking authority required for milling, drilling, or grinding heads, supporting precise surface finishes and short cycle times.
The power electronics operate from an internal bus of 300 VDC, which is produced by a shared supply module mounted elsewhere in the cabinet. At that voltage, the inverter section can provide a continuous output of 100 A, enabling the drive to handle large-diameter spindles that demand high starting torque. Thermal loading is controlled with forced cooling, and the housing carries a mounted heat sink blower that directs airflow across the IGBT fin pack. This blower is powered from a separate auxiliary feed of 220 V/50-60 Hz, so its operation remains independent of DC-link fluctuations and keeps semiconductor junction temperatures within safe limits during extended roughing passes.
Command values reach the unit over the SERCOS interface, giving deterministic cycle times and simple fiber routing between the drive and numerical controller. Reliable operation is specified for ambient temperatures from 5 to 45 °C, allowing installation in most machining enclosures as long as panel cooling is adequate. Maximum mounting elevation is 1000 m above sea level; beyond that height, thinner air reduces cooling efficiency and may require current derating. The model includes no additional interface option and omits a secondary encoder channel, simplifying wiring when only the primary spindle feedback is required.
Frequently Asked Questions about KDA 3.2-100-3-L00-W1:
Q: What cooling method does the KDA 3.2-100-3-L00-W1 spindle drive use?
A: The KDA 3.2-100-3-L00-W1 spindle drive is cooled using a mounted heatsink blower for effective thermal management.
Q: What is the rated current of the KDA 3.2-100-3-L00-W1 spindle drive?
A: This spindle drive operates with a rated current of 100 A, supporting high power applications.
Q: What is the supply voltage specification for the KDA 3.2-100-3-L00-W1 spindle drive?
A: The KDA 3.2-100-3-L00-W1 requires a 300 VDC supply voltage for operation.
Q: How does the KDA 3.2-100-3-L00-W1 receive speed command values?
A: The KDA 3.2-100-3-L00-W1 supports speed command input through the SERCOS interface.
Q: What is the maximum installation elevation for the KDA 3.2-100-3-L00-W1 spindle drive?
A: This model is suitable for installation at elevations up to 1000 meters above sea level.
