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R911281452 (DKR03.1-W100B-BE30-01-FW)

DKR Drive Controllers

  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Current response time:

3 Minutes 46 Seconds

The Rexroth drive controller MPN R911281452 (DKR03.1-W100B-BE30-01-FW) is engineered for precise control and monitoring of electric motors in applications such as printing and NC machine tools. Operating with a three-phase input at 400–480V AC main voltage and 230V AC control voltage, it delivers a rated current of 100 A and a peak current of 71 A. Rated power output is 26 kW at 4 kHz and 22 kW at 8 kHz, with total dissipation of 900 W and a heat dissipation limit of 600 W via its integrated blower. The unit includes digital servo and resolver feedback, a SERCOS command interface, bleeder configuration, and is IP20 rated. Operational temperature range is 5–45 °C. The mass of the controller is 49 kg.

Technical Specifications

Product Type
Drive Controller

Power Voltage
400 to 480 Volts AC

Input Type
Three Phase

Line Frequencies
50 to 60 Hertz

Control Voltage
230 Volts AC

Control Voltage Power
200 VA

Rated Current
100 Amps

Peak Current
71 Amps

Rated Power at 4 kHz
26 Kilowatts

Rated Power at 8 kHz
22 Kilowatts

Total Dissipation
900 Watts

Heat Dissipation
600 Watts

Cooling System
Built-in Blower

Feedback Type
Digital Servo and Resolver

Interface
SERCOS

Weight
49 Kilograms

Housing Rating
IP20

Permissible Ambient Temperature Range
5 to 45 degrees Celsius

Does the drive cooling arrangement in DKR03.1-W100B-BE30-01-FW by Bosch Rexroth Indramat require auxiliary airflow devices?

The built-in blower manages adequate cooling under rated load, eliminating the need for external airflow devices unless the installation environment imposes unusual ambient temperature constraints.

What drive current harmonics are regulated by Bosch Rexroth Indramat DKR03.1-W100B-BE30-01-FW to minimize distortions?

The unit regulates 5th, 7th, and 11th harmonic components using its PWM modulation strategy, ensuring cleaner current waveform, reduced shaft oscillations, and prolonged insulation durability.

How does Bosch Rexroth Indramat DKR03.1-W100B-BE30-01-FW motor control react to DC bus overvoltage?

It diverts regenerative energy through the bleeder network, clamps the voltage, and suspends switching pulses if thresholds exceed safe tolerances, preventing motor coil breakdown.

How is motor inertia compensation executed in Bosch Rexroth Indramat DKR03.1-W100B-BE30-01-FW?

Inertia compensation is executed by adaptive gain modulation within the control loop, ensuring stable acceleration profiles and preventing overshoot under variable torque conditions.

Does Bosch Rexroth Indramat DKR03.1-W100B-BE30-01-FW allow motor parameter auto-tuning at commissioning?

Yes, the drive executes parameter auto-identification cycles, evaluating resistance, inductance, and back EMF constants to establish precise motor models for optimal control response.

DKR031W100BBE3001FW

DKR03 1 W100B BE30 01 FW

dkr03.1-w100b-be30-01-fw

DKR3.1-W100B-BE30-01-FW

Internal Product Review

The Bosch Rexroth Indramat DKR03.1-W100B-BE30-01-FW servo drive from the DKR series is a precise drive controller. It bears 95% humidity with digital servo/resolver motor feedback and has built-in air cooling with blower. This unit is widely applied in servo controllers, PLC systems and solar trackers.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the DKR03.1-W100B-BE30-01-FW.
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