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R911277088 (DKR04.1-W400N-BE80-01-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 R911277088 (DKR04.1-W400N-BE80-01-FW) is a Bosch Rexroth DKR series drive controller optimized for motor control and monitoring, supporting both digital servo and resolver feedback. It operates on a three-phase power supply of 400–480VAC (±10%) at a frequency of 50–60Hz, achieving a rated current of 400A and a peak current of 282A. The unit features air cooling via a built-in blower and implements a SERCOS command interface. It is configured without a brake chopper and uses a rigid DC bus. Protection is rated at IP20 according to IEC529/EN60529. Installation and commissioning must be performed by qualified personnel.

Technical Specifications

Product Group
DKR

Condition for Operation
Undamaged and Unfaulty

Control Function
Control and Monitor Motors

Power Voltage
3 x 400 to 480VAC

System Frequency
50 to 60Hz

Intended Operators
Qualified Electrical Workers

Intended Installation
Commercial Machinery

Inappropriate Usage
Nuclear or Radioactive Applications

Ground Wire Connection
Mandatory

Cooling System
Air Circulation with Inbuilt Blower

Peak Current Rating
282A

Protection Category
IP 20

Tool Handling
Lifting Tools and Devices Required

What motor compatibility parameters apply to Bosch Rexroth Indramat DKR04.1-W400N-BE80-01-FW drive unit?

The drive controller is engineered for synchronous and asynchronous motors, offering torque regulation with stable sinusoidal waveforms under variable operational conditions within commercial machinery systems.

How does Bosch Rexroth Indramat DKR04.1-W400N-BE80-01-FW motor protection circuitry function internally?

Its embedded monitoring logic ensures fault isolation by detecting overload, insulation breakdown, and phase imbalance before damage, while maintaining safe motor continuity under permissible thermal load.

Where does Bosch Rexroth Indramat DKR04.1-W400N-BE80-01-FW motor drive demand ground connection?

The unit enforces mandatory PE grounding, ensuring leakage current discharge and electromagnetic noise suppression, which safeguards motor winding integrity and peripheral equipment reliability.

Does Bosch Rexroth Indramat DKR04.1-W400N-BE80-01-FW motor control support regenerative feedback?

Yes, it can channel reverse power flow during deceleration cycles into the supply line, stabilizing motor braking sequences without destabilizing the line frequency profile.

How does Bosch Rexroth Indramat DKR04.1-W400N-BE80-01-FW motor drive maintain thermal regulation?

The internal blower channels forced air circulation through finned surfaces, preventing overheating under 282A peak current loads, thereby sustaining operational motor efficiency across extended duty cycles.

DKR041W400NBE8001FW

DKR04 1 W400N BE80 01 FW

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Internal Product Review

The Bosch Rexroth Indramat DKR04.1-W400N-BE80-01-FW is a drive controller from the DKR series built for precise electrical motor regulation. It operates on 3-phase 400–480 VAC, supports 50–60Hz frequency and ensures reliable motor control with an IP20 protection rating. Its usage is intended for qualified professionals in commercial machinery applications.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the DKR04.1-W400N-BE80-01-FW.
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