R911291270 (DKR02.1-W300N-BE73-01-FW)

Name: R911291270 (DKR02.1-W300N-BE73-01-FW)
Brand: Indramat Drives
SKU: DKR02.1-W300N-BE73-01-FW
Price: 581.00 USD
Availability: InStock

DKR Drive Controllers

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Phone:
1-888-551-3082

Email:
sales@indramat-usa.com

The R911291270 (DKR02.1-W300N-BE73-01-FW) is a drive controller from the Indramat DKR 02 series, intended for vertical installation with physical dimensions of 1000 x 440 x 290 mm. It supports either internal or external air cooling, utilizing a built-in blower. For external cooling, installation back panels require appropriate ventilation. Proper installation clearances include a minimum of 80 mm above and below the unit, and at least 100 mm between power and signal/control cables. The controller accommodates motor connection and feedback cables up to 75 meters in length. It operates with a current rating of approximately 300 A and an input voltage of 400 to 480 V AC. The model is equipped with a SERCOS interface, digital servo and resolver feedback, and is supplied without a bleeder (brake chopper), using a rigid DC bus. Environmental operation is specified for 5 to 45°C ambient temperatures and installation elevations up to 1000 meters, with an IP20 housing protection rating.

Technical Specifications

Product Line
Rexroth Indramat DKR 02

Mounting
Vertical

Dimensions
1000 x 440 x 290 millimeters

Air Circulation
Back wall venting required if externally cooled

Maximum Motor Cable Length
75 meters

Maximum Feedback Cable Length
75 meters

Rated Current
300 Amps

Bleeder
Not present

Input Rating
400 to 480 Volts AC (Three-phase, 50 / 60 Hertz)

Fluctuation Guard
Isolation transformer required on input side

Permitted Ambient Temperature
5 to 45 degrees Celsius

Maximum Elevation
1000 meters

Protection Rating
IP 20

Shipping
Global

Frequently Asked Questions

Why is the SERCOS interface important for the DKR02.1-W300N-BE73-01-FW?

The SERCOS interface provides deterministic communication with low latency. This guarantees synchronized and reliable motion control in complex servo loops.

How does the rigid DC bus design in the DKR02.1-W300N-BE73-01-FW enhance stability?

The rigid DC bus minimizes voltage fluctuations during dynamic loads, ensuring stable power distribution. This helps maintain precise control in demanding automation environments.

How does the built-in blower cooling system improve the DKR02.1-W300N-BE73-01-FW?

The blower actively dissipates heat even at full load. This allows continuous high-performance operation without overheating risks.

What benefit does the digital servo feedback offer in the DKR02.1-W300N-BE73-01-FW?

Digital servo feedback enhances accuracy in positioning and speed regulation. It ensures responsive correction for complex multi-axis movements.

Why is resolver feedback included in the DKR02.1-W300N-BE73-01-FW?

Resolver feedback provides robust motor position data, even in harsh industrial environments. This contributes to reliable servo loop control.

Common Misspellings

DKR021W300NBE7301FW

DKR02 1 W300N BE73 01 FW

dkr02.1-w300n-be73-01-fw

DKR2.1-W300N-BE73-01-FW

Internal Product Review

The DKR02.1-W300N-BE73-01-FW from Bosch Rexroth Indramat is a durable servo drive controller designed for demanding automation applications. With a 300 A current rating, stiff DC bus, and SERCOS interface, it is precise and reliable. Widely implemented in CNC machine tools, printing presses, and multi-axis manufacturing systems, it simplifies complex operations.