The RD52.1-4B-160-R-VW-FW from Bosch Rexroth Indramat features liquid cooling with an internal pump and a built-in brake chopper. Part of the RD 500 Drive Controllers, it accepts 3×AC 380–480 V and delivers 160 kW power. This converter uses V/f control and provides an output frequency of 0–150 Hz.
It drives motors up to 290 A and dissipates heat via internal liquid circulation. The unit requires 0.4 m3/s of cooling air and operates at 0–40 °C ambient. With IP20 protection, it is best installed in a cabinet for full ingress safety.
Cooling Mode
liquid cooling with internal pump
Nominal Connecting Voltage
3 x AC 380-480 V
Rated Power
160 kW
Unit Type
Converter with a built-in brake chopper