Product Description

The Bosch RD51.1-4B-045-L-V1-FW is a three-phase drive. It has been designed by Bosch for use in combination with numerous induction and synchronous motors. The drive is based on a three-phase converter with integrated brake chopper. Voltage rating of the converter is 380 to 480 Volts AC. The power rating of the RD51.1-4B-045-L-V1-FW is 45 kilowatts. Size class of the drive is C. The drive specifications for 4 kilohertz pulse frequency are as follows: rated output 45 kilowatts, 0 to 250 Hertz output frequency, 82 Amps rated current and 54 kVA rated output. The drive specifications for 8 kilohertz pulse frequency are as follows: rated output 37 kilowatts, 0 to 500 Hertz output frequency, 68 Amps rated current and 45 kVA rated output. The drive specifications for 12 kilohertz pulse frequency are as follows: 0 to 1400 Hertz output frequency, 52 Amps rated current and 34 kVA rated output.

The RD51.1-4B-045-L-V1-FW drive uses forced air cooling. The recommended ambient temperature range is 0 to 40 degrees Celsius. The cooling air requirement as recommended by Bosch is 0.2 cubic meters per second. If there are any obstructions to air flow, then they should be removed so that air flow is unobstructed as this is essential for proper drive cooling. Weight of the RD51.1-4B-045-L-V1-FW drive is 36 kilograms. The brake chopper specifications are: 27 kilowatts continuous power, 111 kilowatts peak power and 5.8 Ohms minimum resistance. Degree of protection offered by the housing of the RD51.1-4B-045-L-V1-FW drive is IP20. The drive is not dust tight and does not offer any protection from liquids. Therefore it should be installed inside a cabinet. Additional function supported by the RD51.1-4B-045-L-V1-FW is 24 Volt standby power. This product can be shipped globally with a one year warranty period from Wake Industrial.