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R911201297 (RD52.1-4B-055-D-V1-FW)

RD 500 Drive Controllers

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The Bosch Rexroth R911201297 (RD52.1-4B-055-D-V1-FW) is a three-phase drive system designed for controlling synchronous and induction motors. It supports both DC and AC supplies and features plug-through cooler technology. The unit operates at a nominal connecting voltage of 3 x AC 380-480 V with a rated power output of 55 kW. It incorporates a converter with a built-in brake chopper, short-circuit protection, and a radio interference suppression filter with line reactor to minimize feedback harmonics. The system provides fast torque and current cycle response and can sustain 200% overload for 0.5 seconds. Control circuits can remain operational with an external 24 V stand-by supply if main AC power is disconnected.

Technical Specifications

Type
Universal three-phase drive system

Motor Compatibility
Synchronous and Induction motors

Line Supports
AC and DC supplies

Cooling Methods
Forced air cooling, liquid cooling

User Panel
Removable

Display
Graphical

Protection
Short-circuit protection

Communication
Peer-to-peer coupling, Synchrolink

Torque Rise Time
0.3 milliseconds

Current Cycle Time
0.1 milliseconds

Noise Immunity
EN 50082-2 standard

Output Rating
55 kilowatts

Max Overload
200% for 0.5 seconds, 170% for 1 second

External Stand-by Power
24 Volt

Control Circuits
Can operate with stand-by power

Converter Input
380 to 480 Volts AC three-phase

Cooler
Plug through cooler

Temperature Limits
0 to 40 degrees Celsius

Damage Threshold
Above 50 degrees Celsius

Shipping
Global

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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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Warranty

Indramat USA 1 Year Warranty

Repair

We offer a repair service for the RD52.1-4B-055-D-V1-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.