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R911200439 (RD52.1-4B-090-L-F1-FW)

RD 500 Drive Controllers

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The Bosch Rexroth R911200439 (RD52.1-4B-090-L-F1-FW) is a drive controller for induction and synchronous motor applications. This unit integrates a converter with a built-in brake chopper and offers various hardware configurations, including feedback for current filtering, standby power, and connectivity for chemistry modules. It operates with a 3 x AC 380-480 V nominal connecting voltage and supports a rated power output of 90 kW. Designed for ambient temperatures from 0 to 40°C and up to 90% relative humidity, the device requires forced air cooling at a minimum rate of 0.4 m³/s to manage its 2.7 kW heat emission. The controller has an IP20-rated enclosure, weighs approximately 74 kg, and must be used in dust-free environments with proper thermal separation.

Technical Specifications

Motor Control Type
Induction and Synchronous

Available Option
Feedback for Current Filter

Power Input
380 to 480 Volts AC

Nominal Output Rating
90 Kilowatts

Altitude Limit
0 to 1000 meter

Temperature Limit
0 to 40 degrees Celsius

Humidity Limit
maximum 90% relative

Operating Area Requirement
Dust-free

Cooling Method
Forced Air Cooling

Controller Heat Dissipation
2.7 Kilowatts

Minimum Cooling Air Requirement
0.4 m3/s

Size Class
E

Approximate Weight
74 Kilograms

Continuous Power Output of Brake Chopper
55 Kilowatts

Peak Power
260 Kilowatts for 1 second

Housing Rating
IP20

Shipping
Global

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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 RD52.1-4B-090-L-F1-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.