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R911294973 (DKR02.1-W300N-BE74-02-FW)

DKR Drive Controllers

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The R911294973 (DKR02.1-W300N-BE74-02-FW) is a Rexroth digital drive controller engineered for direct connection to a three-phase mains supply with an input voltage range of 400–480 VAC and a maximum output current of 300 A. It integrates a SERCOS command communication interface and accommodates both digital servo and resolver feedback for motor control. The drive’s firmware and parameter configuration reside on an external software module that is transferable between units. Continuous output current is specified as 110 A at 8 kHz or 141 A at 4 kHz. The controller measures approximately 104 kg in mass, features internal air cooling via a dedicated blower, and maintains optimal operation from 5°C to 45°C. The unit does not include a bleeder or brake chopper and is configured with a rigid DC bus.

Technical Specifications

Input Rating
400 to 480 Volts AC

Output Current Rating
300 Amps

Line
2

Design
1

Function Numeric Code
74

Version Function Numeric Code
02

Communication Module
SERCOS

Feedback Options
Digital Servo and Resolver

Firmware Storage
Software Module in U1 Slot

Continuous Output Current (4kHz)
141 Amps

Continuous Output Current (8kHz)
110 Amps

Power Dissipation at Continuous Output
1800 Watts

Weight
104 Kilograms

Accessories Kit Weight
1.7 Kilograms

Operating Temperature
5 to 45 degrees Celsius

Derating Temperature
55 degrees Celsius

Accessories Kit Catalog Number
M1-RAC 3

Cooling System
Built-in Blower

IP Rating
20

Global Shipping
Available

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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-W300N-BE74-02-FW.

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North Carolina Office

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.