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R911201338 (RD52.1-4N-090-L-F1-FW)

RD 500 Drive Controllers

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The Bosch Rexroth MPN R911201338 (RD52.1-4N-090-L-F1-FW) is an industrial controller engineered for precise adjustment of speed and position in AC or DC induction and synchronous motors. The unit operates with a nominal connecting voltage of 3 x AC 380-480 V and supports a rated power of 90 kW. It is a converter type without an integrated brake chopper. The design incorporates a line reactor and interference suppression filter to improve electromagnetic compatibility, meeting EMC directive requirements. The controller achieves current and torque rise times of 0.1 ms and 0.3 ms, respectively, and can withstand 170% overload for 1 s and 200% for 0.5 s. Integrated functions include XOR, AND, OR logic, PI controller, RS flipflop, D latch, and PID regulation. A signal processor with 32-bit floating-point capability enables adaptive performance. Forced air cooling and rear-mounted power sections enhance thermal management.

Technical Specifications

Product Type
Drive Control System

Supply Compatibility
AC and DC

Electromagnetic Compatibility
Yes

EMC Emission Reduction
Yes

Integrated Line Reactor
Yes

Interference Suppression Filter
Yes

Compliance with EMC Directives
Yes

Current Cycle Time
0.1 ms

Torque Rise Time
0.3 ms

Overload Sustainment
170% for 1 sec, 200% for 0.5 sec

Signal Processor
32-bit floating-point

Cooling Mechanism
Forced Cooling

Power Sections
Available on Rear for Fast Heat Removal

Shipping Availability
Global

Common Misspellings

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

Repair

We offer a repair service for the RD52.1-4N-090-L-F1-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.