DKR04.1-W400N-BE37-01-FW
DKR Drive Controllers
The Bosch Rexroth Indramat DKR04.1-W400N-BE37-01-FW drive controller is part of the robust DKR Drive Controllers series, engineered for precise and reliable motor control. Featuring a rated current of 400 A and an air (built-in blower) cooling method, this unit effectively manages high-power demands while maintaining optimal thermal performance. Designed to interface seamlessly with higher-level control systems, the DKR04.1-W400N-BE37-01-FW excels in providing stable torque and speed regulation for a variety of industrial motors and motion applications.
Incorporating a fully digital architecture, the DKR04.1-W400N-BE37-01-FW integrates a SERCOS interface for command communication, enabling high-speed data exchange via fiber-optic cabling. This drive controller supports both digital servo and resolver feedback, ensuring precise positioning and velocity control. With a bleeder configuration of "No bleeder / Without brake chopper, rigid DC bus," the device simplifies the DC link design and enhances reliability by eliminating additional braking circuitry. The modular design version 1 and Line Series 04 frame guarantee compatibility with a broad range of motor types and power ratings within the DKR product family.
Constructed to withstand demanding environments, the DKR04.1-W400N-BE37-01-FW accommodates flexible cooling arrangements, including inside air, outside air, or ducted airflow, facilitating integration into existing machine layouts. Its compact design and integrated blower deliver a maximum heat dissipation capacity of 2,500 W, making it well suited for continuous-operation applications such as NC machine tools and printing machinery. The standardized Function Numeric Version 01 ensures consistency across installations, streamlining maintenance and spares management. By combining high efficiency, precise control, and versatile installation options, the DKR04.1-W400N-BE37-01-FW drive controller delivers significant performance and reliability advantages in modern industrial automation systems.
Technical Specifications
Bleeder Configuration
No bleeder/ Without brake chopper, rigid DC bus
Command Interface
SERCOS interface
Cooling Method
Air (built-in blower)
Design Version
1
Line Series
04
Motor Feedback
Digital servo and resolver feedback
Product Series
DKR
Function Numeric Version
01
Rated Current (A)
400
Frequently Asked Questions
How does Bosch Rexroth Indramat DKR04.1-W400N-BE37-01-FW motor cooling operate in sustained cycles?
The unit employs an integrated blower-driven airflow channel, expelling thermal buildup efficiently, allowing continuous motor operations without detrimental rise in winding or bearing temperature.
Does Bosch Rexroth Indramat DKR04.1-W400N-BE37-01-FW motor interface fully support SERCOS topology?
Yes, the drive synchronizes motor communication via SERCOS fiber optics, achieving deterministic cycle updates, smooth parameter exchange, and latency-controlled command structures.
Where does Bosch Rexroth Indramat DKR04.1-W400N-BE37-01-FW motor heat dissipation occur primarily?
Heat is discharged through engineered airflow ducts, with approximately 1,800W vented into the air channel, maintaining stable electronics during extended duty motor cycles.
What motor feedback sensors are supported by Bosch Rexroth Indramat DKR04.1-W400N-BE37-01-FW?
It integrates seamlessly with resolver and encoder signals, ensuring absolute motor position tracking, phase alignment accuracy, and dynamic velocity control consistency.
How does Bosch Rexroth Indramat DKR04.1-W400N-BE37-01-FW motor respond to regenerative braking?
The drive handles back-fed energy into its DC link, enabling thermal relief through dissipative resistors, while stabilizing motor deceleration torque under load variations.
Common Misspellings
DKR041W400NBE3701FW
DKR04 1 W400N BE37 01 FW
dkr04.1-w400n-be37-01-fw
DKR4.1-W400N-BE37-01-FW
Internal Product Review
The Bosch Rexroth Indramat DKR series drive DKR04.1-W400N-BE37-01-FW is a unique motion control part designed for precise industrial automation. It features a SERCOS interface, integrated blower air cooling, and dissipates up to 2,500W of total heat effectively. Its primary use is in powering electrical motors for printing machines and NC machine tools across global operations.
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