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R911267129 (KDA 3.3-150-3-D00-W1)

KDA Spindle Drives

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The Bosch Rexroth R911267129 (KDA 3.3-150-3-D00-W1) Main Spindle Drive belongs to the KDA product group, designed to control frameless spindle and asynchronous motors digitally. It features a modular structure with coded series and design. Parameterization allows its compatibility with various operating modes and motors. The drive operates at a bus voltage of 300VDC with a rated current of 150A and uses forced cooling type cooling mode. Designed to operate optimally between 5°C and 45°C, the device complies with the Class F peak humidity as per DIN 40 040 specifications. The front view reveals a stay bolt with a hexagon socket on top. Note that during installation, the unit must always be vertical with grounding bolts on top. While it lacks an auxiliary encoder input or interface, it mandates ground connections to both the supply module and motor. It is transport-safe unloaded and supported by a one-year warranty.

Technical Specifications

Structure
Modular

Product Group
KDA

Design Code
3

Parameterization
Adaptable to various operation modes and motors

Cooling Mode
Forced cooling type

Rated Current
150A

Bus Voltage
300VDC

Operating Ambient Temperature
5°C to 45°C

Humidity Class
Class F as per DIN 40 040

Installation Orientation
Vertical

Front View
Stay bolt with a hexagon socket at top

Command Value
+/-10V analog speed

Mounting
In a closed housing or control cabinet

Grounding
Direct ground connection to the supply module

Bus end connector
Install on final drive if multiple drives are used

Auxiliary Encoder Input
Not available

Auxiliary Interface
Not available

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the KDA 3.3-150-3-D00-W1.
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