RD52.1-4B-022-D-NN-FW

RD52.1-4B-022-D-NN-FW, Bosch Rexroth Indramat, RD 500 Drive Controllers begins with a robust platform engineered for precision motion control. This converter core delivers a continuous 22 kW output from a nominal 3 x AC 380-480 V supply, ensuring consistent power even under fluctuating line voltages. Its modular architecture incorporates a plug-through cooler to maintain optimal thermal performance up to a maximum operating temperature of +40 °C. With a built-in brake chopper, the unit provides reliable dissipation of regenerative energy during deceleration cycles, enhancing system safety and response.

In detailed specification, the RD52.1-4B-022-D-NN-FW features an altitude rating up to 1000 m above sea level and is designed to command a compatible 3-phase AC motor of equivalent power. Rated for operation on fixed-frequency three-phase mains within a 10% tolerance, it converts to variable-frequency outputs with high-resolution control of speed and torque. The drive’s internal topology includes advanced IGBT modules that support switching frequencies optimized for low audible noise and reduced harmonic distortion. Protective measures include automatic thermal shutdown and fault diagnostics fed back via a digital interface, simplifying integration into PLC-based automation networks. With a total package depth of under 300 mm, its compact footprint aligns with standard RD 500 cabinet layouts.

Engineers benefit from seamless integration with Rexroth multi-axis controllers and industry-standard fieldbuses, enabling synchronized motion profiles and real-time monitoring of drive health. The converter’s rugged design and conformal-coated boards deliver exceptional reliability in industrial environments, minimizing downtime and maintenance overhead. As part of the REFUdrive RD50 control series, the RD52.1-4B-022-D-NN-FW stands out for its combination of high dynamics, precise speed regulation, and durable operation in demanding automation applications.