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R911269056 (DKR02.1-W300N-B)

DKR Drive Controllers

Rated 4.1 stars (5 total reviews)
  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The Rexroth Indramat drive controller, MPN R911269056 (DKR02.1-W300N-B), is engineered for precise control and monitoring of industrial servo motors. This device incorporates digital servo and resolver motor feedback interfaces, enabling data communication between the controller and motor. Electrical power is supplied via a three-phase mains connector, supporting a nominal current of approximately 300 A and operating at 240 V. An integral air cooling system with a built-in blower and heatsink dissipate heat during operation. The unit supports connection to a brake resistor with up to 240 kW braking energy to protect the power circuit during deceleration. Installation is specified for locations below 1000 meters altitude, within a maximum ambient operating temperature of +55°C and storage between -30°C and +80°C. The configuration is without a bleeder (brake chopper), featuring a rigid DC bus as standard for this series 02, design version 1 controller.

View Datasheet

Technical Specifications

Module Size
2

Version
1

Cooling Style
Air

Voltage
240 Volts

Max Elevation for Operation
1000 meters

Connection Type
Three Phase

Maximum Current
212 Amperes

Max Brake Resistor Energy
240 kW

Brake Resistor Continuous Power
1.5 kW

Operating Temperature
Up to +55 degree Celsius

Storage Temperature
-30 to +80 degree Celsius

Shipping
Global

How does the DKR02.1-W300N-B align with long-term uptime goals in automated systems?

Its simplified thermal design and lack of internal braking elements reduce points of failure. The result is less maintenance and greater operational uptime across production cycles.

How does the DKR02.1-W300N-B manage sustained thermal loads in high-duty applications?

It uses a built-in blower system for active air cooling, ensuring heat is effectively managed under continuous operation. This setup helps maintain thermal integrity and performance stability.

What integration limitations might arise from the rigid DC bus design in the DKR02.1-W300N-B?

The controller uses a rigid DC bus without a bleeder or brake chopper, which requires external circuitry for energy discharge. It’s ideal for setups with separate regenerative handling.

How does the DKR02.1-W300N-B ensure precise motor response in closed-loop control environments?

It supports digital servo and resolver feedback, enabling high-resolution feedback for accurate motion profiling. This feedback configuration improves precision in high-speed or position-critical tasks.

Can the DKR02.1-W300N-B handle peak torque demands from large industrial drives?

Yes, it delivers a nominal current rating of approximately 300A, making it suitable for motors with substantial torque requirements. It supports performance-intensive applications like presses or extruders.

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Internal Product Review

The Bosch Rexroth Indramat DKR02.1-W300N-B is a drive controller equipped with a built-in blower cooling system. It incorporates a rigid DC bus without brake chopper and supports digital servo as well as resolver feedback for precise motor control. This unit is ideal for industrial automation systems requiring efficient drive regulation.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the DKR02.1-W300N-B.

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