R911284281 (DKR03.1-W200N-BE43-02-FW)

DKR Drive Controllers

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The R911284281 (DKR03.1-W200N-BE43-02-FW) is a Rexroth Indramat drive controller engineered for use with motors in applications such as digital printing presses and NC-controlled machinery. It delivers constant power across a broad speed range and incorporates a built-in mains contactor and emergency stop shutdown circuitry for controlled dissipation of regenerated braking energy. The control voltage requirement is 200 VA at 50-60 Hz, with a rated power voltage of 3x AC 400–480 V, ±10%, and matching system frequency. It provides a continuous current supply of 92 A at 4 kHz and 78 A at 8 kHz, reaching a peak current of 141 A. The drive utilizes air cooling via a built-in blower, has a protection category of IP20, and weighs approximately 50 kg. Technical features include no bleeder configuration, a rigid DC bus, SERCOS interface, digital servo and resolver feedback, design version 1, function code 43, and series DKR03.

Technical Specifications

Applicability
Printing machines and NC controlled machine tools

Control Voltage Power
200 VA

Control Voltage Frequencies
50 Hz to 60 Hz

Rated Power Voltage
3x AC 400 V to 480 V

System Frequency
50 Hz to 60 Hz

Continuous Current (4 KHz)
92 A

Continuous Current (8 KHz)
78 A

Peak Current
141 A

Protection Category
IP 20 per EN 60526/ IEC 529

Cooling Method
Built-in blower

Accessories kit (weight)
M1-RAC 3 (1,7 kg)

Drive Controller Weight
Approx. 49 kg

Shipping
Global delivery

Handling Requirement
Precision and safety in handling required

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Internal Product Review

The Bosch Rexroth Indramat DKR03.1-W200N-BE43-02-FW drive controllers incorporates a built-in blower air cooling and a 200 A rated current capability, using digital servo and resolver feedback with a SERCOS interface. Its no-bleeder DC bus design suits CNC machining, printing, or packaging systems in automation roles.