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

Name: R911321315 (DKR03.1-W100N-BA32-01-FW)
Brand: Indramat Drives
SKU: DKR03.1-W100N-BA32-01-FW
Price: 694.00 USD
Availability: InStock

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

How does Bosch Rexroth DKR03.1-W100N-BA32-01-FW regulate motor currents during 4kHz and 8kHz switching?

It maintains 71A at 4kHz and 60A at 8kHz, balancing switching frequency with reduced thermal stress for smooth and reliable motor operation under rated load.

What motor voltage control does Bosch Rexroth DKR03.1-W100N-BA32-01-FW achieve through analog interface?

The drive regulates 0–380V motor control voltage linearly, with adjustable analog signals ensuring torque and speed regulation in precision machine tools.

How does Bosch Rexroth DKR03.1-W100N-BA32-01-FW handle motor braking under peak energy?

It dissipates up to 150kWs peak braking energy, using resistors rated 1kW continuous and 40kW peak to manage kinetic loads safely.

What ambient operating constraints affect motor operation with Bosch Rexroth DKR03.1-W100N-BA32-01-FW?

It operates optimally between +5°C to +45°C at rated power, with derating applied up to +55°C to ensure motor stability and long life.

Does Bosch Rexroth DKR03.1-W100N-BA32-01-FW provide motor protection under IP20 housing?

Yes, it provides IP20 category protection per EN60529, suitable for closed electrical cabinets, safeguarding motor connections against solid particles but not direct liquids.

Common Misspellings

DKR031W100NBA3201FW

DKR03 1 W100N BA32 01 FW

dkr03.1-w100n-ba32-01-fw

DKR3.1-W100N-BA32-01-FW

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.