RD52.1-7N-132-F-M1-FW

The Bosch Rexroth Indramat RD52.1-7N-132-F-M1-FW from the RD 500 Drive Controllers series by Bosch Rexroth Indramat delivers a robust 132 kW rated power inverter solution. It operates on a nominal connecting voltage of DC 530-670 V and features a forced air cooling with integrated liquid circulation cooling mode to ensure consistent thermal management. As an inverter without a built-in brake chopper, the controller supports continuous duty cycles with an overload capability of 170% for 1 second. The power section is rear-cooled, allowing use of dedicated heat exchangers and maintaining compact installation dimensions within industrial cabinets.

Under a pulse frequency of 4 kHz, the unit provides up to 132 kW rated motor output, an output frequency range of 0–250 Hz, a rated current output of 230 A, and a rated output of 151 kVA. Switching to 8 kHz pulse frequency delivers a 110 kW motor output, extends the output frequency to 0–500 Hz, supplies 195 A rated current, and achieves 128 kVA rated output. The controller dissipates 5.2 kW of power loss and requires 0.4 m³/s of cooling air to maintain optimal performance under full load.

Mechanically, the RD52.1-7N-132-F-M1-FW weighs 128 kg and is classified in size class G with an IP20 protection class, making it suitable for protected indoor cabinet installations. Hardware options include a frequency converter with output chokes and support for operator control via a user panel or RDwin PC-based software. Built-in serial interfaces such as RS-232 and RS-485 on the logic board enable programming and diagnostics. Only qualified personnel should install and service the drive to ensure reliable operation and adherence to safety standards.