R911200548 (RD51.1-4B-055-L-D1-FW)

RD51 Drive Control Devices

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The Indramat Refu RD 500 drive system is a cutting-edge three-phase current mechanism designed to operate various synchronous and induction motors. Composed of AC drive converters, DC supply inverters, and rectifier and supply modules, the system is constructed in a modular layout, allowing flexibility for custom user-specific requirements. The R911200548 (RD51.1-4B-055-L-D1-FW) is a specialized converter within the system, powered by a three-phase AC voltage of 380V-480V and boasting a power rating of 55kW. It employs pulse-width modulated output voltage and quick-switching semiconductors for efficient control and manipulation of the induction motor's torque and speed, while built-in filters suppress radio interference, and line reactors reduce harmonic feedback. The R911200548 (RD51.1-4B-055-L-D1-FW) specifies forced air cooling, adheres to IP 20 protection rating per EN 60529 standards, and can operate at a maximum ambient temperature of 40°C. This high-performing component comes with a one-year global warranty from Indramat USA.