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R911200407 (RD52.1-7N-055-L-NN-FW)

RD 500 Drive Controllers

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The Bosch Rexroth R911200407 (RD52.1-7N-055-L-NN-FW) is an inverter-based drive controller designed for induction and synchronous motors. It features a modular structure for flexible integration and operates with a nominal connecting voltage of 530–670 V DC. This unit delivers a rated power output of 55 kW at a 4 kHz pulse frequency and does not include an integrated brake chopper. The power section is located at the rear to support efficient cooling, using forced air flow through fans, blowers, or, for liquid-cooled versions, an external exchanger. The device supports configuration via operator panel or compatible PC software. Storage conditions include a dry, clean environment at −25°C to +70°C, with temperature changes not exceeding 20 K/h, and capacitors should not remain unpowered for more than two years.

Technical Specifications

Operating Voltage
530 to 670 Volts DC

Brake Chopper
Not Included

Cooling System
Forced Air Cooling

Commission Methods
Operator Panel and PC Based Software

Heat Sink
Outside the cabinet

Nominal Output
55 Kilowatts

Pulse Frequency
4 Kilohertz

Air Flow Requirement
0.2 m3/second

Storage Conditions
Dry and Clean

Storage Temperature Range
-25 to 70 degrees Celsius

Maximum Temperature Variation
20 K per hour

Storage limitation for electrolytic capacitors
2 years without power

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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 RD52.1-7N-055-L-NN-FW.

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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.