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

The Bosch Rexroth Indramat RD52.1-4N-055-L-NN-FW from the RD 500 Drive Controllers series by Bosch Rexroth Indramat delivers robust vector control performance with a nominal connecting voltage of 3 x AC 380-480 V and a rated power of 55 kW. Engineered as a converter without a built-in brake chopper, the unit employs forced air cooling and supports field-oriented regulation code 52 along with design code 1. Its sturdy construction and integrated firmware ensure seamless three-phase operation with both induction and synchronous motors. This compact controller provides the backbone for industrial drive systems requiring precise speed and torque management.

Reliability is upheld by a tolerance of ±10% on the input voltage and dedicated rear cooling channels that maintain optimal thermal performance. A removable user panel with parameter copy function streamlines commissioning and service, while the environmental compliance to class 3K4 guarantees operation in harsh ambient conditions. Rated to operate at temperatures up to 50 °C, the controller also boasts a 170% overload capability for one second to handle transient loads without derating. Output frequencies span from 0 Hz to 250 Hz, delivering versatile speed control across diverse motor applications.

Designed for industrial integration, the RD52.1-4N-055-L-NN-FW offers comprehensive monitoring and motor protection features without additional sensors. Its size class D footprint and standard mounting provisions simplify installation in drive cabinets. Backed by a one-year warranty, this drive converter is the ideal solution for OEMs and system integrators seeking dependable performance and easy maintenance in demanding automation environments.