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R911289532 (DKR04.1-W300E-BT49-01-FW)

DKR Drive Controllers

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The Bosch Rexroth drive controller R911289532 (DKR04.1-W300E-BT49-01-FW) facilitates precise control and monitoring of electrical motors in applications such as printing machines and NC machine tools. It supports a 3 x 400–480 V power input, delivering continuous power across a broad speed range with high precision. The unit integrates a mains contactor, emergency stop shutdown for circuit failures, and a SERCOS interface for high-speed, real-time communication. Dimensions are 1080 mm x 571 mm x 370 mm, with required clearance of 80 mm on top and bottom. It operates within +5°C to +45°C, features air cooling via built-in blower, an external 3 kW bleeder resistor (peak 200 kW), and a 720 kWs auxiliary brake resistor. The drive can be used up to 1000 meters elevation, with digital servo and resolver feedback supported, and is rated for an approximate nominal current of 300 A.

Technical Specifications

Use
Control electrical motors and monitor operations

Primary Use
Printing machines and NC machine tools

Integrated Mains Contactor
Yes

Emergency Stop
Yes

Interface
SERCOS

Dimensions
1080 mm x 571 mm x 370 mm

Minimum Distance
80 mm top/bottom

Maximum Power
125 kW

Peak Current
282 A

Ambient Temperature
+5 to +45 degree Celsius

External Bleeder Resistor
Yes

Continuous Power
3kW

Peak Power
200 kW

Auxiliary Brake Resistor
1.8 Ohm

Maximum Braking Energy
720 kWs

Protection Class
IP20

Maximum Altitude
1000 meters

Maximum Temperature
+55 degree Celsius

Basic Unit
DKR04.1-W300E-B

Function Numeric Code
49 with 01 version

Drive
4/8 kHz

Continuous Power at Shaft
93/66 kW

Continuous Current
210/150 A

Cooling
Air-type.

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA 1 Year Warranty

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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.