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R911278915 (DKR03.1-W100N-BE37-01-FW)

DKR Drive Controllers

  In-Stock, Ships 1-2 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

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5 Minutes 40 Seconds

The R911278915 (DKR03.1-W100N-BE37-01-FW) is a Bosch Rexroth drive controller in the DKR series, designed for digital management of motors and commonly used in printing and machining applications. Operating within a 5 to 45°C ambient temperature range, it meets IP20 protection requirements per IEC 529/EN 60529. The controller employs a SERCOS interface for command communication, supports both digital servo and resolver feedback, provides a rated current of 100A with a peak current of 71A, and has a maximum heat output of 1200W. It is equipped with an integrated air blower for forced cooling. The unit requires a capacitor discharge time of 5 minutes post power-off. The system features no braking chopper (no bleeder, rigid DC bus), and its power circuit must include an emergency stop to prevent unintended activation.

Technical Specifications

Type
Drive Controller

Configuration
Card Modules

Protection Rating
IP 20

Applicable Standards
IEC 529/EN 60529

Line Code
03

Application range
Printing industry and machining tools

Ambient temperature range for operation
5°C and 45°C

EMC Regulations
Follow National EMC Regulations

Interface
SERCOS

Switch off time for capacitors
5 minutes

Additional Safety
Emergency stop circuit with power connection

Peak Current
71A

Cooling System
Natural Convection with Integrated Air Blower

Cooling off time
10 minutes

Input Current
50 to 60 Hz

Heat output
1200 Watts

Global Availability
Yes

Delivery Partners
Tested Delivery Partners.

How does the design version 1 in DKR03.1-W100N-BE37-01-FW motor impact compatibility with legacy Rexroth controllers?

It maintains backward compatibility with earlier DKR control schemes while supporting SERCOS expansion, ensuring seamless integration without firmware modification requirements.

How does the 100 A rated current in DKR03.1-W100N-BE37-01-FW motor translate to permissible continuous torque?

The continuous 100 A defines sustained torque delivery, with limits calculated by stator resistance and feedback calibration ensuring precise thermal derating curves.

What protective coordination exists in Bosch Rexroth Indramat DKR03.1-W100N-BE37-01-FW motor control during short circuits?

Fast-acting electronic shutdown combined with DC bus discharge circuitry ensures motor windings and semiconductors remain protected under short-circuit fault events.

How is harmonic suppression managed in Bosch Rexroth Indramat DKR03.1-W100N-BE37-01-FW motor installations?

Input rectifier and DC bus capacitors minimize harmonic propagation, while system-level filters ensure compliance with industrial grid distortion standards.

How does the motor feedback redundancy in DKR03.1-W100N-BE37-01-FW enhance reliability for grid-critical systems?

Dual resolver-digital channels provide fallback sensing, so if one fails, motor position control continues uninterrupted, essential for energy sector uptime.

DKR031W100NBE3701FW

DKR03 1 W100N BE37 01 FW

dkr03.1-w100n-be37-01-fw

DKR3.1-W100N-BE37-01-FW

Internal Product Review

The DKR03.1-W100N-BE37-01-FW drive by Bosch Rexroth Indramat DKR series is engineered for demanding industrial motor control. It features air cooling with a built-in blower and dual feedback with digital servo and resolver options. Its applications include power generation systems, renewable energy platforms like wind and solar and automated grid management operations.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the DKR03.1-W100N-BE37-01-FW.
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