R911285092 (DKR02.1-W300N-BE34-02-FW)

DKR Drive Controllers

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The Bosch Rexroth Indramat R911285092 (DKR02.1-W300N-BE34-02-FW) is a Type 1 digital drive controller from product series DKR and line series 02, designed for high-power motor control. It operates with an AC 230 V ±10% control voltage at 50–60 Hz and utilizes a built-in blower for air cooling. The unit supports integration of plug-in modules in U1–U5 slots, incorporates an ESM firmware module for operating system and parameter storage, and is configured without a bleeder or brake chopper, providing a rigid DC bus. Key parameters include a nominal current of approximately 300 A, continuous current up to 141 A at 4 kHz, peak current of 212 A, and continuous power output of 55 kW at 4 kHz or 43 kW at 8 kHz. The controller accommodates SERCOS command interfaces and supports both digital servo and resolver feedback. It dissipates 1800 W of heat, operates within an ambient temperature range of 5–45°C, and weighs 104 kg.

Technical Specifications

Product Line
Bosch Rexroth Indramat

Design
Type 1

Product Group
Line 4

Cooling Method
Internal Blower

Control Voltage
AC 230 V ± 10%, 50 – 60 Hz

Module Slots
U1 to U5

Weight
104 kg

Total Heat Dissipation
1800 Watts

Continuous Current Rating
141 Amperes (4 kHz), 110 kHz (8 kHz)

Peak Current
212 Amperes

Control Voltage Power
200 VA

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

Nominal Current
300 Amperes

Derated Data Ambient Temperature
55 degrees C

Peak Power
93 kW (both frequencies)

Maximum Frequency
800 Hz, 1600 Hz

Continuous Regenerated Power
43 kW

Control Voltage Frequency
50 – 60 Hz

Firmware
ESM Firmware Module

Permissible Surrounding Air Temperature
5 – 45 oC

Shipping/Storage Temperature
-30 ... 80 degrees C

Frequently Asked Questions

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Internal Product Review

The Bosch Rexroth Indramat DKR02.1-W300N-BE34-02-FW is a dependable servo drive controller designed for industrial automation applications. It provides approx. 300 A nominal current, accommodates digital servo and resolver feedback, and has a SERCOS interface with air cooling. Its typical uses include CNC machines, spindle drives, and sophisticated linear motor systems.

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

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We offer a repair service for the DKR02.1-W300N-BE34-02-FW.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

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.