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R911279025 (DKR02.1-W300N-BE24-02-FW)

DKR Drive Controllers

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The Bosch Rexroth MPN R911279025 (DKR02.1-W300N-BE24-02-FW) is a servo drive controller designed for demanding applications, offering modular configuration through plug-in cards. It operates from a 3 x AC 400-480 V mains supply with a 230 V control voltage, producing up to 55 kW at 141 A (4 kHz) or 43 kW at 110 A (8 kHz). Heat dissipation reaches 1800 W, with 1200 W managed by an integrated blower. The unit regenerates up to 43 kW during deceleration. It features a DSS 2.1M command card, H1 status display for diagnostics, SERCOS interface, digital servo and resolver feedback support, and offers IP20 protection. The configuration does not include a brake chopper (rigid DC bus).

Technical Specifications

Usage
Industrial Sectors

Configuration
Configurable with different plug-in cards

Main Voltage
3 × AC 400 – 480 V

Control Voltage
AC 230 V

Power
55 kW (4 kHz drive), 43 kW (8 kHz drive)

Current
141 A (4 kHz drive), 110 A (8 kHz drive)

Heat Dissipation
1800 W

Blower Unit Heat Dissipation
1200 W

Regenerated Power
43 kW

Internal Circuit Rated Current
300 A

Command Interface Card
DSS 2.1M

Required Clearance
160 mm

Protection Standard
IP20

Error Diagnosis
H1 status display

Optimal Operating Temperature
+45 degree Celsius

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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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Warranty

Indramat USA 1 Year Warranty

Repair

We offer a repair service for the DKR02.1-W300N-BE24-02-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.