The RD52.1-4B-055-D-NN-FW from Bosch Rexroth Indramat offers a nominal connecting voltage of 3 x AC 380-480 V and a rated power of 55 kW. As part of the RD 500 Drive Controllers, this converter with a built-in brake chopper uses a plug-through cooler and weighs 49 kilograms.
With an output frequency range of 0 to 250 Hz at 4 kHz pulse, it delivers a rated current of 99 A and a peak current of 168 A for 1 s. The controller features a rated power loss of 1.9 kW.
Cooling Mode
plug-through cooler
Nominal Connecting Voltage
3 x AC 380-480 V
Rated Power
55 kW
Unit Type
Converter with a built-in brake chopper