R911277522 (DKR02.1-W300N-BA06-01-FW)

Name: R911277522 (DKR02.1-W300N-BA06-01-FW)
Brand: Indramat Drives
SKU: DKR02.1-W300N-BA06-01-FW
Price: 733.00 USD
Availability: InStock

DKR Drive Controllers

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The Indramat MPN R911277522 (DKR02.1-W300N-BA06-01-FW) is a DKR series drive controller designed for constant power applications, including machine tools and printing machines. It operates at a rated output of approximately 300 A with an input voltage range of 400–480 V AC (three-phase). The controller features an analog command interface, supports digital servo and resolver feedback, and does not include a bleeder or brake chopper. The unit uses air cooling via an integrated blower, with rated heat dissipation of 1800 W, reduced to 1200 W when operated in air channels or with coolant. The enclosure has an IP20 protection rating, weighs 104 kg, and includes a 1.7 kg accessory kit. It is recommended for use at altitudes up to 3300 feet and in ambient temperatures between 41–131 °F. The design version is '1', product line series is '02', and function numeric version is '01'. Clearance of 160 mm should be maintained above and below the device when installed in a cabinet. Firmware is installed on slot U5 and must be provided separately.

Technical Specifications

Application
Machine Tools, Printing Machines

Rated Output
300 Amps

Extreme Operating Condition
131 degrees Fahrenheit (Derated Output)

Storage and Transport Temperature
-22 to 176 degrees Fahrenheit

Enclosure Rating
IP 20

Weight
104 kilograms

Accessory Kit Weight
1.7 kilograms

Dimensions
1000 x 440 x 290 millimeters

Top and Bottom Clearance in Cabinet
160 millimeters

Power Dissipation During Operation
1800 Watts

Heat Dissipation (Air/Coolant)
1200 Watts

Cooling System
Built-in blower

Bleeder
Not Provided

Communication Interface
Analog

Feedback
Digital Servo and Resolver

Firmware Location
Slot U5 of Basic Unit (Ordered Separately)

Input Rating
400 to 480 Volts AC (Three Phase)

Global Shipping
Yes

Frequently Asked Questions

Do the built-in blower fans in the DKR02.1-W300N-BA06-01-FW improve its reliability?

Yes, the blower ensures effective cooling during heavy load conditions. This prevents overheating and extends the service life of internal components.

Does the DKR02.1-W300N-BA06-01-FW benefit from using resolver feedback?

Yes, resolver feedback delivers precise rotor position data under tough conditions. This ensures stable torque and speed control, even in demanding industrial environments.

Why is the DKR02.1-W300N-BA06-01-FW designed without a bleeder?

A bleeder-free design results in a rigid DC bus for higher energy efficiency. This reduces energy loss and allows better utilization of power across systems.

How does the firmware module installation benefit the DKR02.1-W300N-BA06-01-FW?

The separate firmware module makes upgrades and replacements straightforward. This reduces downtime while simplifying long-term maintenance and serviceability.

What role does industrial design version 1 play in the DKR02.1-W300N-BA06-01-FW?

It provides robust mechanical stability and ensures compatibility with standardized Rexroth setups. This enhances durability in continuous-duty operations.

Common Misspellings

DKR021W300NBA0601FW

DKR02 1 W300N BA06 01 FW

dkr02.1-w300n-ba06-01-fw

DKR2.1-W300N-BA06-01-FW

Internal Product Review

The DKR02.1-W300N-BA06-01-FW is a high-duty controller drive by Bosch Rexroth Indramat, made for accurate motor control. It provides 300 A nominal current, three-phase 400–480 V AC input, and combines analog command communication. This controller is generally used in challenging industrial automation applications that demand stringent DC bus performance.