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R911288901 (DKR04.1-W400N-BT26-01-FW)

DKR Drive Controllers

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The R911288901 (DKR04.1-W400N-BT26-01-FW) is a Bosch Rexroth DKR series drive controller engineered for operation within ambient temperatures of 5°C to 45°C. It operates with a rated current of 400A and supports motor cables up to 75 meters in length. The unit features a function numeric code of 26 and requires a 3 x NH80gl type F1 mains fuse, with a minimum lead cross-section of 25 mm². It incorporates a built-in blower for air cooling and utilizes a phase-controlled thyristor bridge compatible with mains voltages exceeding 400V. The device operates with a rigid DC bus, without a bleeder or brake chopper, and employs a SERCOS command interface. It accepts both digital servo and resolver feedback and is specified for operation with an isolating transformer of at least 100 kVA on an undergrounded three-phase system. At installation, signal/control cables should be separated from power cables by at least 100 mm. Storage should be in a dry, shock-free environment.

Technical Specifications

Ambient Temperature Range
5°C and 45°C

Function Numeric Code
26

Rated Current
400A

Maximum Cable Length for Motor Connection
75m

Fuse Type
3 x NH80gl type F1

Fuse Lead Cross-Section
minimum 25mm2

Mains Voltage Rating
more than 400V

Isolating Transformer Minimum Power
100kVA

Operation System
undergrounded three-phase systems

Inclusion of Bleeder
No

Recommended Storage
Dry place free from shock and dust

Number of Rating Plates
2

Power Connector
Supports connection of double cables

Shipping Agents
FedEx

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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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Indramat USA 1 Year Warranty

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We offer a repair service for the DKR04.1-W400N-BT26-01-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.