Product Description

The Bosch Rexroth RD51.1-4B-075-L-C1-FW is a universal drive controller. It is deployed with compatible motors for industrial control applications. The controller is based on a converter with integrated brake chipper. The input rating of the RD51.1-4B-075-L-C1-FW is 380 to 480 Volts AC (three-phase). The rated motor output at 4 kilohertz pulse is 75 kilowatts, the output frequency is 0 to 250 Hertz, the rated current is 135 Amps, the peak current for 60 seconds is 176 Amps and the rated output is 89 kVA. The rated motor output at 8 kilohertz pulse is 55 kilowatts, the output frequency is 0 to 500 Hertz, the rated current is 99 Amps, the peak current for 60 seconds is 129 Amps and the rated output is 65 kVA. The performance data for the brake chopper include 45 kilowatts continuous power and 148 kilowatts peak power for 1 second.

The minimum resistance value for the brake chopper is 4.4 Ohms. The RD51.1-4B-075-L-C1-FW supports two additional functions which are 24 Volts standby power and connection for RZC01.1-XN. The RD51.1-4B-075-L-C1-FW controller relies on forced air cooling for heat dissipation. The minimum required air flow rate is 0.4 m³/s. The ambient temperature range recommended by Bosch is 0 to 40 degrees Celsius. Size class of the controller is D and its housing belongs to the IP20 category according to EN 60529. The controller is designed for vertical mounting inside control cabinets. Weight of the controller is approximately 52 kilograms. The RD51.1-4B-075-L-C1-FW should be handled and installed by trained personnel. Only approved spare parts and accessories should be used. The firmware for the RD51.1-4B-075-L-C1-FW has to be ordered as a separate subposition. This product can be shipped globally with a one year warranty period from Wake Industrial.