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R911272985 (DKR02.1-F300N-BE33-01-FW)

DKR Drive Controllers

  In-Stock, Ships 3-5 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

Current response time:

3 Minutes 29 Seconds

The Bosch Rexroth MPN R911272985 (DKR02.1-F300N-BE33-01-FW) is a drive controller engineered for use with ungrounded three-phase systems through an isolating transformer, utilizing three NH63gl mains fuses and requiring a minimum lead cross-section of 16mm². It supports a peak current of 212 A, a nominal current of 300 A, and operates with liquid cooling, necessitating correct cooling agent levels. The device includes a SERCOS interface for command communication and digital servo or resolver feedback. It is suitable for installation at elevations up to 5000 m, weighs approximately 104 kg, and features a brake resistor rated at 90 kW peak and 1.5 kW continuous power.

Technical Specifications

Mains Fuses
Three NH63gl

Minimum Lead Cross-Section
16mm2

Cooling Mechanism
Liquid cooling

Usage
Printing machines and NC machine tools

Interface
SERCOS interface for command communication

Communication Medium
Fiber optic cables

Storage Temperature
Between -30°C and 85°C

Installation Location
Dry place free of shock and dust

Transport Method
Shock-damped transports if necessary

Installation Height
Max 5000m

Weight
104kg

Peak Current Rating
212A

Brake Resistor Peak Power
90kW

Brake Resistor Continuous Power
1.5kW

Delivery Method
Dependable delivery networks.

How does the rigid DC bus in the DKR02.1-F300N-BE33-01-FW affect system design?

It eliminates the need for internal energy dissipation, so external braking options may be required. This reduces internal heat but demands careful planning for dynamic loads.

Why is a SERCOS interface important in industrial drive systems?

SERCOS enables real-time communication between drives and controllers with deterministic timing. This ensures precise synchronization for multi-axis applications.

How does the ~300A nominal current rating impact application use?

It allows the drive to handle large torque requirements for heavy-duty axes. However, cable sizing, busbar design, and thermal limits must be considered.

What are the space planning considerations for DKR02.1-F300N-BE33-01-FW housing?

Its IP20 enclosure requires placement in a protected cabinet. Adequate spacing for airflow and liquid cooling lines must also be planned.

Can this controller be integrated into multi-axis systems?

Yes, its SERCOS interface and rigid DC bus make it suitable for shared-bus multi-axis setups. Care must be taken to balance power distribution across axes.

DKR021F300NBE3301FW

DKR02 1 F300N BE33 01 FW

dkr02.1-f300n-be33-01-fw

DKR2.1-F300N-BE33-01-FW

Internal Product Review

The DKR02.1-F300N-BE33-01-FW is a drive controller from the Bosch Rexroth Indramat DKR series. It integrates a SERCOS command interface, liquid cooling, and a rigid DC bus without bleeder or brake chopper. Its housing traditionally conforms to Rexroth’s IP20 metal-enclosure design to protect electronics while allowing heat dissipation.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the DKR02.1-F300N-BE33-01-FW.
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