R911285543 (DKR04.1-W300N-BA05-01-FW)

Name: R911285543 (DKR04.1-W300N-BA05-01-FW)
Brand: Indramat Drives
SKU: DKR04.1-W300N-BA05-01-FW
Price: 486.00 USD
Availability: InStock

DKR Drive Controllers

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Phone:
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Email:
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The R911285543 (DKR04.1-W300N-BA05-01-FW) is a digital drive controller engineered for the management of ADF spindle and LAF linear motors. It operates on a 3 x 400-480 V AC supply within a 50-60 Hz frequency range and supports a nominal current of approximately 300 A. The device is equipped with a direct main connection, built-in main contactor, emergency stop shutdown functionality, and a built-in air cooling system (blower). The drive includes an analog command interface, supports digital servo and resolver motor feedback, and features a fiber-optic communication interface for connection to control units. The controller allows for an external brake resistor for enhanced deceleration and uses a DSM software module for firmware installation.

Technical Specifications

Ratings
ADF main spindle motors, LAF linear motors

Connection
Main Direct

Safety Features
Integrated main contactor, Emergency stop shutdown

System Frequency Range
50 to 60 Hertz

Cooling System
Built-in blower, Air duct

Expandability
External brake resistor

Rated Power Voltage
3 x 400 to 480 Volts

Rated Current
300 Amps

Motor Feedback Cable Length
75 meters

Software Requirement
DSM software module (for firmware)

Control Voltage
230 Volts

Command Communication
Analog interface

Compatible Accessories
M1-RAC4 mounting frame, Mechanical accessories kit

Control Voltage Frequency
50 to 60 Hertz

Control Voltage Power
300 VA

Communication Interface Connection
Fiber optic cables

Shipping
Global.

Frequently Asked Questions

How does the analog command interface affect integration with legacy control systems?

It allows direct connection to older controllers without digital upgrades. This reduces complexity but limits advanced signal processing options.

Why does the DKR04.1-W300N-BA05-01-FW rely on air cooling with a built-in blower?

Air cooling simplifies installation by avoiding external liquid cooling systems. However, it requires sufficient cabinet ventilation to prevent heat buildup.

Can the DKR04.1-W300N-BA05-01-FW be installed outside of a cabinet?

No, its housing is designed for protected mounting inside industrial control cabinets. Direct exposure would risk overheating and contamination.

What considerations arise from its nominal current rating of ~300 A?

High current demands require properly sized conductors and protection devices. Inadequate wiring can lead to overheating or unsafe voltage drops.

How does the DKR04.1-W300N-BA05-01-FW handle regenerative braking energy?

It does not include a bleeder circuit or chopper. Excess energy must be redirected through external regeneration modules or absorbed mechanically.

Common Misspellings

DKR041W300NBA0501FW

DKR04 1 W300N BA05 01 FW

dkr04.1-w300n-ba05-01-fw

DKR4.1-W300N-BA05-01-FW

Internal Product Review

The DKR04.1-W300N-BA05-01-FW is a drive controller from Bosch Rexroth’s DKR series. It offers analog command input, built-in air cooling with blower, and handles digital servo or resolver feedback while delivering ~300 A nominal current. Its enclosure is built for modular mounting inside industrial control cabinets.