DKR04.1-W400E-BE59-01-FW

DKR Drive Controllers

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The DKR04.1-W400E-BE59-01-FW drive controller from Bosch Rexroth Indramat is part of the DKR Drive Controllers series. It delivers a rated current of 400 A, operates on SERCOS interface communication, features built-in blower cooling, and supports digital servo and resolver motor feedback. The unit dissipates 1800 W continuously and up to 2500 W of heat, and functions at elevations from 0 to 1000 m. It carries an IP20 protection rating.

Technical Specifications

Bleeder Configuration
External bleeder/ With 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

What type of motor compatibility does the Bosch Rexroth Indramat DKR04.1-W400E-BE59-01-FW motor provide in terms of drive interface and current harmonics?

This motor drive handles 400A max current capacity with precise harmonic balancing, ensuring smooth interfacing across servo systems without destabilizing feedback signals during continuous operation.

How does the Bosch Rexroth Indramat DKR04.1-W400E-BE59-01-FW motor withstand fluctuating grid voltages within the specified 3×AC 400-480V supply band?

The motor compensates internally using stabilized rectifier networks and advanced filters, thereby maintaining reliable torque transmission even under intermittent grid variations or unstable line conditions.

What method does the Bosch Rexroth Indramat DKR04.1-W400E-BE59-01-FW motor apply for blower cooling efficiency during peak current loads?

Integrated axial blowers regulate airflow directly across insulated power modules, dispersing 2500W heat dissipation uniformly and preserving the module’s integrity under 282A peak current.

Where does the Bosch Rexroth Indramat DKR04.1-W400E-BE59-01-FW motor ensure dissipation of 1800W brake energy without thermal overload?

The unit directs dissipated energy into the external brake resistor while built-in blower cooling continuously circulates air, preventing accumulation of excessive localized heating.

How does the Bosch Rexroth Indramat DKR04.1-W400E-BE59-01-FW motor perform at 8kHz frequency compared with 4kHz operational mode?

At 8kHz switching, output reduces to 66kW/150A continuous, compared to 93kW/210A at 4kHz, balancing acoustic performance with power reduction for sensitive installations.

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Internal Product Review

The Bosch Rexroth Indramat DKR04.1-W400E-BE59-01-FW series drive is a powerful industrial solution. It delivers 3 phase AC 400–480V supply and peak current up to 282A with reliable IP20 protection. It is used in material handling and precision servo motor control in industrial plants worldwide.