R911298603 (DKR04.1-W300N-BT29-02-FW)
DKR Drive Controllers
Technical Specifications
Interface
SERCOS
Communication Method
Fibre Optic Cables
Suitable Motors
LSF or LAF, 2AD or ADF
Rexroth Motors Speed Range
Broad
Application
Printing Machines or NC-controlled Machine Tools
Protection Category
IP20
Operating Temperatures
0°C to 40°C
Installation Height
0 to 1000 m above sea level
Alternative Operation
RS-232 Interface or RS-485
Maximum Transmission Rates
9600/19200 baud
Transmission Length
Up to 15 meters
Power Connections
3xAC 400 V to 480 V
Cooling Method
Air from Outside the Control Cabinet
Frequently Asked Questions
How does the DKR04.1-W300N-BT29-02-FW handle thermal management in continuous operation?
It uses active air cooling via an integrated blower, which helps maintain stable operating temperatures. This reduces thermal stress on power components during extended duty cycles.
Does the lack of a bleeder unit affect system safety during rapid deceleration?
Without a brake chopper, excess regenerative energy must be managed externally. Integrators typically pair it with external resistors or energy recovery units for safe dissipation.
What motor feedback options are supported by the DKR04.1-W300N-BT29-02-FW?
It supports both digital servo and resolver feedback. This flexibility ensures compatibility with a wide variety of servo motor types.
How does the rigid DC bus design affect protection schemes?
A stiff DC bus helps maintain voltage stability during dynamic load changes. This reduces the complexity of protective circuits in the DC-link system.
How is downtime minimized during servicing of this drive controller?
Its modular access points allow technicians to replace or inspect sections without full disassembly. This design shortens maintenance intervals and reduces production stoppages.
Common Misspellings
DKR041W300NBT2902FW
DKR04 1 W300N BT29 02 FW
dkr04.1-w300n-bt29-02-fw
DKR4.1-W300N-BT29-02-FW
Internal Product Review
The DKR04.1-W300N-BT29-02-FW controller from Bosch Rexroth offers a nominal and rated current of 300 A and communicates via SERCOS with built-in blower cooling. It supports digital servo and resolver feedback and omits a bleeder. It is ideal for retrofit in CNC machines, packaging systems, and robotic assembly lines.
Shipping & Payment Options




Warranty
Repair
We offer a repair service for the DKR04.1-W300N-BT29-02-FW.
Want to 




