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R911201331 (RD51.1-5B-055-D-D1-FW)

RD51 Drive Control Devices

Rated 4.4 stars (13 total reviews)

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The R911201331 (RD51.1-5B-055-D-D1-FW) is a converter unit type control device from the Bosch Rexroth RD500 series. Boasting a nominal connecting voltage of 3 x 500 V AC ± 10%, this unit finds applications in conveyor technology, assembly systems, and machine tools. It has a built-in brake chopper with a constant power of 33 kW and minimum resistance of 5 Ohms at a Pulse-width modulation (PWM) frequency of 4 kHz. Its rated power output varies, achieving 55 kW at 4 kHz PWM frequency and 45 kW at 8 kHz. The R911201331 (RD51.1-5B-055-D-D1-FW) features a plug-through cooling mechanism and has an Ingress Protection (IP) rating of 20, indicating its dust-resistance and object protection capacity. Suitable for industrial settings, it fulfils EN 55011/EN 61800-3 noise immunity standards. It operates optimally between 0 and 40 degrees Celsius and requires programming before use. Indramat USA offers global shipping and a one-year warranty on this product.

Technical Specifications

Product Type
Converter Unit

Nominal Voltage
3 x 500 V AC ± 10%

Brake Chopper Power
33 kW

Brake Chopper Minimum Resistance
5 Ohms

PWM Frequency
4 kHz

Maximum Rated Power Output
55 kW

Rated Power at 4 kHz
55 kW

Rated Power at 8 kHz
45 kW

Cooling Type
Plug-through Heat Extraction

Rated Current at 4 kHz
80 A

Rated Current at 8 kHz
66 A

Ingress Protection (IP) Rating
20

Size Class
D

Radio Interference Suppression Standards
EN 55011/EN 61800-3

Perm. Air Humidity at 82° F
< 85%

Ideal Operating Temperature
0 to 40 degrees Celsius

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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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We offer a repair service for the RD51.1-5B-055-D-D1-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.