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R911278864 (DKR02.1-W300B-BE43-02-FW)

DKR Drive Controllers

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The Bosch Rexroth drive controller R911278864 (DKR02.1-W300B-BE43-02-FW) is engineered for use in digital intelligent drive systems (DIAX 04). It features an integrated auxiliary bleeder resistor for energy dissipation during deceleration, with a braking energy capacity of 240 kWs and continuous regenerated power of 43 kW. The device operates on a three-phase AC voltage of 400–480 V at 50/60 Hz, with a nominal current rating of approximately 300 A and peak output of 93 kW at 212 A. Control voltage is applied via the X10 port at AC 230 V, requiring 200 VA. Air cooling is provided by an internal blower. Command inputs are handled through the SERCOS interface, and feedback is managed with digital servo and resolver systems. Internal diagnostics are indicated through the H1 display.

Technical Specifications

Product Type
Drive Controller

Peak Power
93 kW

Peak Current
212 A

Maximum Braking Energy
240 kWs

Rated Power
300 A

AC Input
3 x 400 - 480 V, 50/60 Hz

Control Voltage Connection
AC 230V

Power Requirement for Control Voltage
200 VA

Auxiliary Bleeder
Yes

Position Control
Yes via digital servo and resolver feedback

Speed Control
Yes via digital servo and resolver feedback

Status Display
H1 Error Diagnosis

Protection Category
IP 20

Operating Temp Range
+5 to +45 degree Celsius

Shipping
Global

Configuration Slots
U1 - U5 in basic unit

Cooling Unit
Blower with external ai

Common Misspellings

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 DKR02.1-W300B-BE43-02-FW.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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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.