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R911282396 (DKR02.1-W300B-BE41-02-FW)

DKR Drive Controllers

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The R911282396 (DKR02.1-W300B-BE41-02-FW) is a Bosch Rexroth industrial drive controller equipped with a built-in power supply unit. It operates on a 3 x AC 400–480V mains input at 50/60 Hz, supporting a rated current of approximately 300 A, and requires a control voltage of AC 230 V (±10%). The unit provides drive frequencies of 4 kHz (55 kW at 141 A continuous) and 8 kHz (43 kW at 110 A continuous). An integrated bleeder resistor dissipates 1.5 kW continuously with a peak capability of 90 kW during deceleration. The housing is rated to IP20 and is intended for mounting within an IP54 switch cabinet. Communication is facilitated by RS232/RS485 and SERCOS interfaces, and digital servo and resolver feedback mechanisms enable precise motor control. Air cooling is implemented via a built-in blower, and optimal performance is achieved at an ambient temperature of +45°C.

Technical Specifications

Product
Bosch Rexroth Drive Controller

Power Supply
3 x AC 400 – 480V

Voltage Frequency
50/60 Hz

Rated Current
300 A

Control Voltage
AC 230 V ±10%

Drive Options
4 kHz or 8 kHz

Continuous Current (4kHz)
141 A

Continuous Power (4kHz)
55 kW

Continuous Current (8kHz)
110 A

Continuous Power (8kHz)
43 kW

Resistor Continuous Power
1.5 kW

Resistor Peak Power
90 kW

Protection Standard
IP 20

Serial Interface
RS232/RS485

Clearance Requirement
160 mm

Cooling Mechanism
Ambient air with blower

Feedback
Digital Servo and Resolver Feedback

Communication
SERCOS Interface

Operating Temperature
+45 degrees Celsius.

Common Misspellings

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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We offer a repair service for the DKR02.1-W300B-BE41-02-FW.

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.