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R911280348 (DKR04.1-W400E-BE43-02-FW)

DKR Drive Controllers

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The Bosch Rexroth R911280348 (DKR04.1-W400E-BE43-02-FW) servo drive is designed for direct connection to grounded three-phase AC mains with a voltage range of 400–480V. It utilizes an external brake resistor combined with a brake chopper and rigid DC bus to enable controlled deceleration. The drive delivers up to 93 kW output at 4 kHz and 66 kW at 8 kHz, supporting continuous regenerated power handling of 66 kW. With a built-in blower for air cooling, the unit achieves a heat dissipation of 1800 W. It provides an IP20 degree of protection and integrates digital servo as well as resolver feedback for motor control. Communication with automation systems is supported via the SERCOS interface. The drive weighs approximately 150 kg and operates with a rated current of 400 A.

Technical Specifications

Power Source
Grounded AC mainline with 3×AC 400-480V

External Brake Resistor
Included

Drive Frequency Produced
4 kHz and 8 kHz

Continuous Power Produced
93 kW (4 kHz drive), 66 kW (8 kHz drive)

Continuous Regenerated Power
66 kW

Peak Power Delivered
125 kW

Peak Current
282 A

Body Weight
150 kg

Cooling System
Air build-in blower

Heat Dissipation
1800 W

Protection Class
IP20

Maximum Carried Current
400 A

Motor Feedback
Digital Servo and Resolver

Communication Interface
SERCOS

Function Numeric Code
43

Version Function Numeric Code
02

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA 1 Year Warranty

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We offer a repair service for the DKR04.1-W400E-BE43-02-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.