R911293621 (DKR04.1-W300N-BT71-02-FW)

DKR Drive Controllers

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Expedited Lead Times on Select Parts
1 Year Warranty Included
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Phone:
1-888-551-3082

Email:
[email protected]

The R911293621 (DKR04.1-W300N-BT71-02-FW) is a drive controller developed by Bosch Rexroth designed for managing AC motors, including frameless spindle motors (1MB), main spindle motors (2AD, ADF), and linear motors (LSF, LAF). It supports continuous output power from 10 to 93 kW at the motor output shaft and offers interface options such as SERCOS, Profibus, INTERBUS, and analog cards. The drive controller operates within a temperature range of +5°C to +45°C and installation altitudes up to 1000 m above sea level. It is engineered for use with NC-controlled machine tools and printing machines, featuring integrated blower-based air cooling, no bleeder or brake chopper, a rigid DC bus, and accommodates rigid mounting with included components. Input is via a grounded 3xAC 400-480V supply. The unit supports digital servo and resolver feedback with a nominal current capability of approximately 300A.

Technical Specifications

Product Type
Drive Controller

Designed for
Control of AC Motors

Output Power
10 and 93 kW

Speed Range
Broad

Operable Ambient Temperature
+5° to +45° C

Operable Elevation
0 to 1000 m above sea level

Power Input
3xAC 400 V to 480 V

Emergency Stop Shutdown
Yes

Cooling with Outside or Inside Air
Yes

Mounted Components
Yes, supplied with the drive controller

Shipping
Globally available

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Internal Product Review

The DKR04.1-W300N-BT71-02-FW is a drive controller from Bosch Rexroth’s DKR series. It provides approx. 300 A current rating, uses a rigid DC bus without bleeder or brake chopper and relies on internal blower cooling. It’s commonly applied in CNC machining centers, packaging machines, and spindle/linear motor control in industrial automation.

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Warranty

Indramat USA 1 Year Warranty

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We offer a repair service for the DKR04.1-W300N-BT71-02-FW.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.