R911272986 (DKR02.1-F300N-BE06-01-FW)

Name: R911272986 (DKR02.1-F300N-BE06-01-FW)
Brand: Indramat Drives
SKU: DKR02.1-F300N-BE06-01-FW
Price: 353.00 USD
Availability: InStock

DKR Drive Controllers

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The Bosch Rexroth drive controller, MPN R911272986 (DKR02.1-F300N-BE06-01-FW), is designed for use in three-phase external conductor or grounded star systems. It features a SERCOS command interface, supports digital servo and resolver feedback, and operates with a nominal current of approximately 300A. The unit requires liquid cooling, must maintain a 10mm clearance inside the cabinet, and needs minimum air circulation of 300m³/h with filtered inlets. Shock resistance is rated at 4.8g for 10ms. For optimal signal integrity, signal and power cables should be separated by at least 100mm, with a maximum motor cable length of 75m. It is configured without an internal bleeder or brake chopper, and is fitted with a front-panel X2 connector for PC or VT-100 terminal access, H1 LED status display, and an S1 reset button. The power connection should not be routed through an FI circuit breaker. Installation is suitable up to elevations of 1,000m.

Technical Specifications

Shock Resistance
4.8g for 10ms

Minimum Airflow
300m3/h

Required Clearance Distance
10mm

Maximum Motor Cable Length
75m

Mounting Elevation
Up to 1,000m above sea level

Firmware
Available separately

Frequently Asked Questions

How does liquid cooling in the DKR02.1-F300N-BE06-01-FW affect installation?

It requires a dedicated coolant loop and proper thermal management planning. This allows continuous operation in environments where air cooling would be insufficient.

What role does the SERCOS interface play in system integration?

It standardizes communication with multiple drives and controllers. This ensures precise synchronization across axes in high-speed automation.

What should be considered when running this drive at 300A nominal current?

Adequate cabling and busbar design are essential to safely handle continuous current. Proper thermal protection and conductor sizing must be verified before installation.

How does the lack of a bleeder affect energy recovery in regenerative operations?

The unit cannot dissipate excess DC bus energy internally. System design must integrate energy recovery or absorption externally.

Can this drive controller be used in environments with limited airflow?

Yes, liquid cooling makes it independent of surrounding air circulation. This makes it suitable for sealed or dust-prone industrial enclosures.

Common Misspellings

DKR021F300NBE0601FW

DKR02 1 F300N BE06 01 FW

dkr02.1-f300n-be06-01-fw

DKR2.1-F300N-BE06-01-FW

Internal Product Review

The Bosch Rexroth Indramat DKR02.1-F300N-BE06-01-FW is a liquid-cooled drive controller rated at 300 A, equipped with a SERCOS interface and rigid DC bus (no bleeder). It supports both digital servo and resolver feedback. In machine tools, printing lines or robotics, it delivers precise motion control across complex axes.