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R911285973 (DKR04.1-W400N-BA05-01-FW)

DKR Drive Controllers

  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911285973 (DKR04.1-W400N-BA05-01-FW) is a Rexroth Indramat DKR Servo Drive Controller engineered for regulation of various electric motors, including Linear Motors SAF, Frameless Spindle Motor 1Mb, and a.c. main spindle motors 2AD. The unit connects directly to a grounded AC power supply in the 3xAC 400 V to 480 V range and operates at 50 Hz–60 Hz. It draws 210 or 150 A and employs an analog interface for command input. This drive controller does not include a bleeder, features a rigid DC bus, and utilizes integrated air cooling via an internal blower. The system supports digital servo and resolver feedback, conforms to IP20 (EN60529 / IEC52) protection standards, and has a mass of 150 kg. Rated current is specified at 400 A.

Technical Specifications

Product Model
DKR Servo Drive Controller

Application Usage
NC-Controlled machines, Printing Machines

Connection Source
Grounded AC source with 3xAC 400 V to 480 V

Communication Interface
Analog

Inclusion of a Bleeder
No

System Frequency
50Hz-60Hz

Rated Power Voltage
3xAC 400V-480V

Current Draw at 50Hz
210 Ampere

Current Draw at 60Hz
150 Ampere

Control Voltage
230V

Control Voltage Frequency
50Hz-60Hz

Control Voltage Power
300VA

Peak Current
285A

Power Output at 4kHz
ca 93Kw

Power Output at 8kHz
ca 66Kw

Weight
150kg

Temperature Control
By air conducted through the machines air duct

Protection Category
IP 20 per EN60529/IEC52

What is the operating principle of Bosch Rexroth Indramat DKR04.1-W400N-BA05-01-FW motor controller with rigid DC bus?

The drive functions without a brake chopper, relying on a rigid DC bus to stabilize voltage and regulate motor torque with precision under industrial demands.

How does the Bosch Rexroth Indramat DKR04.1-W400N-BA05-01-FW motor interface with analog input commands?

The analog interface transmits real-time voltage or current signals, allowing proportional speed and torque regulation directly between control systems and the motor drive.

What feedback compatibility does Bosch Rexroth Indramat DKR04.1-W400N-BA05-01-FW motor offer?

It supports resolver and digital servo encoder systems, allowing hybrid feedback configurations for precision in both velocity and positioning demands simultaneously.

How does Bosch Rexroth Indramat DKR04.1-W400N-BA05-01-FW motor integrate in multi-axis CNC systems?

It synchronizes axes via shared DC bus and analog interface, maintaining consistent motion profiles with feedback loops coordinated through master control systems.

What happens if Bosch Rexroth Indramat DKR04.1-W400N-BA05-01-FW motor loses resolver signal?

The controller switches into fault mode, halts torque generation, and prevents unsafe motion until feedback is restored, safeguarding machine and operator safety.

DKR041W400NBA0501FW

DKR04 1 W400N BA05 01 FW

dkr04.1-w400n-ba05-01-fw

DKR4.1-W400N-BA05-01-FW

Internal Product Review

The Bosch Rexroth Indramat DKR04.1-W400N-BA05-01-FW servo drive from the DKR series offers reliable industrial-grade power control. It consumes a 400A rated current and air cooling via built-in blower. It is commonly applied in CNC machines, robotics, and heavy-duty automation systems to ensure efficient and stable drive performance.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the DKR04.1-W400N-BA05-01-FW.
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