RD52.1-4B-055-L-NN-FW

The Bosch Rexroth Indramat RD52.1-4B-055-L-NN-FW drive converter is part of the RD 500 Drive Controllers series, designed for high-performance industrial applications. With a nominal connecting voltage of 3 × AC 380-480 V and a rated power of 55 kW, this unit delivers reliable power conversion. The primary function of the device is to serve as an AC drive converter with a built-in brake chopper, providing precise speed and torque control for printing, packaging, handling, conveyor systems, and robotics.

Featuring forced air cooling and a robust microprocessor-driven architecture, the RD52.1-4B-055-L-NN-FW offers advanced control capabilities. The converter's integrated brake chopper ensures safe energy dissipation during deceleration, while the digital LED operator panel simplifies setup, configuration, and fault diagnosis. Error codes displayed on the panel enable rapid troubleshooting in accordance with the maintenance manual. Designed for continuous operation, the module supports overload operation up to 1.5× rated power for limited periods, enhancing its adaptability to variable load conditions.

Additional features include a wide operating temperature range from 0 to +40 °C and permissible humidity up to 90% (non-condensing), ensuring durability in diverse environmental conditions. The unit can be mounted at altitudes up to 1000 m above sea level, maintaining stable performance when supplied with filtered ventilation air free of dust and contaminants. Backed by a one-year warranty through Wake Industrial and tested prior to shipment, this converter delivers exceptional efficiency, reliability, and ease of maintenance—key benefits for demanding industrial drive applications.