R911292674 (DKR03.1-W200N-BE38-01-FW)

What does “no bleeder / without brake chopper” mean for DKR03.1-W200N-BE38-01-FW?

It means the drive cannot dissipate regenerative energy internally, so any excess must be handled externally or via the mains. That requires the system design to include regenerative paths or braking resistors elsewhere.

How does the rigid DC bus topology influence control stability?

A rigid DC bus helps maintain stable DC link voltage during rapid load changes, reducing voltage dips under transient load. However, any regenerative spikes must be externally managed to prevent overvoltage faults.

Why is the 200 A rating significant beyond just power?

It defines the continuous current the controller can supply, constraining the motor size and duty cycle that can be reliably driven. It also dictates cable sizing and thermal margins for the power stage.

What are the installation constraints of the built-in blower cooling?

Adequate airflow clearance and dust control are essential to maintain cooling effectiveness. Poor ventilation or clogged intake/outlet paths can force the drive to derate or overheat.

How does SERCOS communication benefit this drive?

SERCOS provides deterministic, cyclic command/feedback exchange with low latency and high precision. It enables tight coordination across multiple axes in motion systems.

DKR031W200NBE3801FW

DKR03 1 W200N BE38 01 FW

dkr03.1-w200n-be38-01-fw

DKR3.1-W200N-BE38-01-FW

The Bosch Rexroth Indramat DKR03.1-W200N-BE38-01-FW is an industrial drive controller. It features a 200 A rated current, rigid DC bus topology, SERCOS interface, and support for digital servo and resolver feedback with built-in blower cooling. It is commonly used in CNC machining centers, packaging lines, robotic systems, and printing equipment.