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R911203257 (RD51.1-5B-004-D-DF-FW)

RD 500 Drive Controllers

Rated 4.4 stars (12 total reviews)
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1 Year Warranty Included
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The R911203257 (RD51.1-5B-004-D-DF-FW) is an industrial drive controller from Rexroth Indramat engineered for precise motion control in automation systems. Suitable for both induction and synchronous motors, it delivers a rated power output of 4 kW with a nominal connecting voltage of 3 x AC 500 V ±10% and a rated current of approximately 7 A. The unit features a built-in brake chopper, plug-through cooling for temperature management, integrated control unit for monitoring and parameterization, and provisions for connection to RZC01.1-XT and NAMUR terminal strip. Supported by a 24 V stand-by power supply and feedback of current filter (U6, V6, W6), the controller has a 90% efficiency rate, weighs 6.5 kg, and meets 3K3 environmental class and IP20 protection category with A1 noise immunity and radio interference suppression. A minimum of 3.5 mA leakage current necessitates connection to an appropriate grounding system. Operation should be performed exclusively by trained personnel.

Technical Specifications

Product Type
Industrial Drive Controller

Efficiency
90%

Cooling System
Integrated plug-through cooler

Leakage Current
3.5 milliamperes

Primary Use
Controlling induction and synchronous motors

Power Output
4 Kilowatts

Rated Current
7 Amperes

Environmental Class
3K3

Protection Category
IP20

Weight
6.5 kilograms

Noise Immunity and Radio Interference Suppression Level
A1

Shipping
Global

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the RD51.1-5B-004-D-DF-FW.
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