R911279351 (DKR04.1-W400N-BE09-01-FW)

Name: R911279351 (DKR04.1-W400N-BE09-01-FW)
Brand: Indramat Drives
SKU: DKR04.1-W400N-BE09-01-FW
Price: 676.00 USD
Availability: InStock

DKR Drive Controllers

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The Bosch Rexroth drive controller, MPN R911279351 (DKR04.1-W400N-BE09-01-FW), is designed for advanced motion control in industrial automation applications, including CNC machine tools and printing machines. It supports compatibility with linear LAF/LSF motors, 1MB frameless motors, and 2AD asynchronous motors. This controller features a SERCOS command interface, digital servo and resolver feedback, and integrates a blower fan and heat sink for air cooling. The unit operates on a three-phase supply, delivers a rated current of 400 A, and utilizes a rigid DC bus configuration without a brake chopper. Customization is supported via modular interface options.

Technical Specifications

Product
Drive Control Unit

Applications
Printing machines, CNC machine tools

Operation frequency
50..60 Hz

Control voltage
300 V

Safety features
Brake resistor

Cooling system
Integrated blower fan and heat sink

Operating requirement
Three phase connection

Shipping
Global delivery

Frequently Asked Questions

Does the motor cooling strategy in Bosch Rexroth Indramat DKR04.1-W400N-BE09-01-FW motor improve duty cycle performance?

Yes, the integrated air blower cooling design prevents thermal saturation, enabling consistent current delivery while minimizing maintenance of auxiliary cooling systems.

What role does SERCOS interface play in Bosch Rexroth Indramat DKR04.1-W400N-BE09-01-FW motor applications?

The SERCOS interface provides deterministic communication for multi-axis synchronization, ensuring real-time feedback between servo drives and machine controllers.

Does the motor protection in Bosch Rexroth Indramat DKR04.1-W400N-BE09-01-FW include surge suppression?

Yes, protection features include surge handling across DC bus, ensuring longevity of semiconductor switching components and safeguarding against unexpected line disturbances.

What is the motor bus voltage tolerance in Bosch Rexroth Indramat DKR04.1-W400N-BE09-01-FW drive?

The rigid DC bus accepts wide tolerance input, maintaining stable current control even under fluctuating mains conditions or regenerative power surges.

How does humidity rating affect Bosch Rexroth Indramat DKR04.1-W400N-BE09-01-FW motor usage?

With 95% humidity endurance, the unit is suitable for damp industrial environments, maintaining insulation integrity and avoiding condensation-related failures.

Common Misspellings

DKR041W400NBE0901FW

DKR04 1 W400N BE09 01 FW

dkr04.1-w400n-be09-01-fw

DKR4.1-W400N-BE09-01-FW

Internal Product Review

The Bosch Rexroth Indramat drive DKR04.1-W400N-BE09-01-FW belongs to the DKR series created for high-precision applications in industrial automation. It has 400A current, SERCOS command interface and integrated air cooling for stable operational reliability. This unit is widely used in complex CNC machinery and in servo control systems.