R911321315 (DKR03.1-W100N-BA32-01-FW)

DKR Drive Controllers

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The R911321315 (DKR03.1-W100N-BA32-01-FW) is a Bosch Rexroth drive controller from the DKR Series Line 3, featuring an air cooling system with a built-in blower. It supports precision motor control and is designed with a rated current of 100 A. The unit is constructed without a brake chopper and incorporates a rigid DC bus. Command communication is managed via an analog interface, and the controller incorporates digital servo and resolver feedback for position control. Operating parameters include a control voltage of AC 230 V, system frequency of 50–60 Hz, power output range of 26–22 kW, and continuous regenerated power of 22 kW. The device weighs 49 kg, supports an ambient operating temperature of +5°C to +45°C, and a maximum installation elevation of 1000 m, with IP20 protection rating. Only qualified personnel should install or operate this unit.

Technical Specifications

Cooling Mode
Air or built-in blower

Rated Current
100A

Design
Standard without blend

Motor Feedback
Digital Servo or Resolver Feedback

Command Communication
Analog Interface

Function Numeric Code
32

Version Function Numeric Code
01

Firmware
FW

Rated Power Voltage
3xAC 400V to 480V ± 10%

System Frequency
50Hz to 60Hz

Control Voltage
AC 230V, ± 10%

Control Power
200VA

Continuous Current
4kHz: 71A and 8 kHz: 60A

Peak Current
71A

Continuous Power at 3xAC 400 V, -5%
4kHz: 26kW and 8kHz: 22kW

Continuous Regenerated Power
22kW

Peak Regenerated Power
26kW

Drive Control Voltage
0 to 380V

Maximum Frequency Voltage
4kHz: 800Hz and 8kHz: 1600Hz

Total Heat Dissipation at Conteef
900W

Heat Dissipation
600W

Peak Braking Energy
150kWs

Continuous Power of Brake Resistor
1kW

Peak Power of Brake Resistor
40kW

Weight of Drive
49kg

Weight of Accessories Kit
1.7kg

Ambient Conditions with Rated Data
+5⁰C to +45⁰C

Ambient Conditions with 80% Derated Data
+55⁰C

Storage and Shipping Temperature
-30⁰C to +80⁰C

Maximum Installation Elevation
0 to 1000 m/sea lev

Protection Category
IP20 per EN60529 or IEC 529.

Frequently Asked Questions

Common Misspellings

Internal Product Review

The Bosch Rexroth Indramat DKR03.1-W100N-BA32-01-FW drive from the DKR series is an industrial solution. It delivers 26kW continuous power and supports analog interface with servo or resolver feedback. This unit is well-suited for heavy-duty automation, CNC machinery and regenerative energy applications.