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R911201452 (RD52.1-4N-022-L-NN-FW)

RD 500 Drive Controllers

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The R911201452 (RD52.1-4N-022-L-NN-FW) is a drive system from the Bosch Rexroth RD52 series intended for motor control applications. It operates with a three-phase AC input voltage of 380–480 V and provides a nominal power output of 22 kW. This converter unit does not include a brake chopper and features a built-in mains filter. The device supports optional components such as a frequency converter, current filter feedback, cable damping feedback, 24 V standby power, and 95 mm² terminals. The enclosure carries an IP20 rating. Electrical connectivity relies on large-surface metal contacts, while system operation requires segregated cable routing, proper noise suppression measures, and shielded cables with double-ended grounds. At a 4 kHz pulse frequency, the drive delivers a continuous output current of 43 A and a peak output current of 55 A. Forced air cooling is used, with a required airflow of 0.1 m³/s, and the rated power loss is 0.8 kW. The unit weighs 36 kg. Only qualified personnel should perform maintenance due to the high-voltage nature of the device.

Technical Specifications

Design
AC Converter

Input
380 to 480 Volts AC (three-phase)

Mains Filter
included

Brake Chopper
not included

Power Output
22 Kilowatts

Extra Features
not available

Protection Rating
IP20

Signal Separation
Yes

Noise Suppression
Yes

Voltage Level
High

Qualified Personnel Requirement
Yes

Discharging Requirement for Maintenance
Yes

Pulse Frequency
4 Kilohertz

Continuous Output Current Rating
43 Amps

Peak Output Current Rating
55 Amps

Power Loss
0.8 Kilowatts

Cooling Air Requirement
0.1 cubic meters per second

Weight
36 Kilograms

Global Shipping
Available

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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 RD52.1-4N-022-L-NN-FW.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

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.