The RD52.2-4B-018-L-NN-FW from Bosch Rexroth Indramat features a brake chopper and forced air cooling, operating on 3 x AC 380-480 V. Part of the RD 500 Drive Controllers, it delivers 18.5 kW and drives induction and synchronous motors.
At a 4 kHz pulse frequency it provides 35 A rated current, an output frequency range up to 250 Hz, and dissipates 0.57 kW as heat. It holds an IP20 rating and requires separately ordered firmware.
Cooling Mode
forced air cooling
Nominal Connecting Voltage
3 x AC 380-480 V
Rated Power
18.5 kW
Unit Type
Converter with a built-in brake chopper