DKR02.1-W300B

DKR02.1-W300B is a Bosch Rexroth Indramat unit in the DKR Drive Controllers series and the Digital Intelligent AC Drive Controller product group. It belongs to line series 02, uses design version 1, and has a current rating of 300. The rated power input is three-phase AC 400 to 480 V with a tolerance of ±10%, while the control voltage is AC 230 V with a tolerance of ±10%.

At a 4 kHz switching frequency, the drive supplies approximately 55 kW of continuous power and 141 A of continuous current. Its peak drive current is 212 A for short periods of higher current demand. A built-in blower provides air cooling, and the unit dissipates 1,800 W of heat during operation.

The controller has an internal bleeder for dissipating regenerated electrical energy through the brake resistor. The brake resistor supports 1.5 kW of continuous power and a maximum braking energy of 240 kWs. The unit weighs approximately 104 kg.