Available. The Rexroth RD43.1-4R-185-R-NN-FW is a high-performance power inverter from the RD 500 Drive Controllers series, engineered for demanding industrial automation tasks. It delivers a rated output of 185 kW at 3-phase AC 400 V, accommodating a supply voltage range of 380–480 V. This device variant operates without a brake chopper and utilizes liquid cooling with an internal pump for optimized thermal management. Its robust design ensures precise speed regulation, high efficiency, and continuous operation under heavy loads, making it ideal for applications such as conveyor systems, pumps, and mission-critical processes where reliability and performance are paramount.