R911200787 (RD51.1-5B-075-D-DL-FW)

RD 500 Drive Controllers

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The Bosch Rexroth MPN R911200787 (RD51.1-5B-075-D-DL-FW) is a frequency converter from the RD51 series engineered to control both induction and synchronous motors with a rated output of 75 kW and designed for 3 x AC 500 V nominal voltage. The unit integrates a built-in brake chopper with continuous output of 45 kW and a 1-second peak power of 148 kW, featuring a minimum resistance of 4.4 Ω. Rear cooling with an external forced air system and plug-through cooler is implemented, suitable for ambient temperatures between 0 and 40°C. The device offers radio interference suppression (A1, EN 55011/EN 61800-3), IP20 protection, environmental class 3K3 suitability, and requires vertical cabinet mounting with 2 x M6 screws. Physical dimensions are 560 mm height by 405 mm width, and it weighs approximately 49 kg. Connection provisions include terminal strips for NAMUR, RZC01.1-XT compatibility, 24 V stand-by power, as well as cable damping feedback. Overload capacity supports 200% for 0.5 seconds. Required software and cabling are not included and must be provided separately.