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

RD 500 Drive Controllers

Rated 4.4 stars (13 total reviews)

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The R911201331 (RD51.1-5B-055-D-D1-FW) is a Bosch Rexroth RD500 series converter unit with a nominal connecting voltage of 3 x 500 V AC ±10%. It incorporates a built-in brake chopper rated for a constant 33 kW power and a minimum resistance of 5 Ohms, operating at a 4 kHz pulse-width modulation (PWM) frequency. The output power rating is 55 kW at 4 kHz PWM and 45 kW at 8 kHz. This unit employs a plug-through cooling mechanism and carries an IP20 rating. The device supports U/f curve control, features a connection for RZC01.1-XT via a NAMUR terminal strip, 24 V stand-by power, and external or feedback cable damping. It complies with EN 55011 and EN 61800-3 standards for noise immunity, is intended for operation within a 0 to 40°C temperature range, and requires programming before commissioning.

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

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 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.