RD51.1-4N-007-L-CF-FW Bosch Rexroth Indramat
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MPN: R911200647
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The Bosch Rexroth Indramat RD51.1-4N-007-L-CF-FW is a drive controller in the RD 500 Drive Controllers series with a rated power of 7.5 kW and a voltage range of 380 to 480 V. This first generation converter features forced air cooling, integrated mains filter, and U/f curve control without a built-in brake chopper.
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Product Description:
The RD51.1-4N-007-L-CF-FW is a drive controller manufactured by Bosch Rexroth Indramat for the RD 500 Drive Controllers series. It connects directly between a three-phase line supply and an induction motor to adjust voltage and frequency for speed control in automated conveyors, pumps, and general machinery. Classified as design generation 1, the unit fits a control cabinet panel and exchanges status words with higher-level PLCs while carrying out the power conversion needed to keep motor torque consistent under varying loads.
The unit accepts an input range of 380 to 480 V, so it can operate on common factory power systems without additional transformers. Its power topology uses a 3 x AC converter stage that tolerates line variation of up to ±10 % before derating is required. The power section delivers a continuous output rating of 7.5 kW, which matches mid-frame motors used in packaging and material-handling systems. Closed-loop regulation uses a U/f curve control algorithm, so voltage rises in proportion to command frequency to maintain air-gap flux during acceleration, light-load running, or jog operation. Firmware is supplied as a separate subposition, allowing only the software modules needed for the selected application to be loaded.
Heat removal relies on forced air cooling, and an integral fan directs airflow across the heat sink, so cabinet clearances must remain open for ventilation. Conducted interference is reduced by an integrated line filter, which can eliminate the need for an external EMC line choke in many panels. The unit is supplied without a built-in brake chopper, so rapid-stop energy must be handled by mechanical means or by an external resistor module through a separate interface. Extended functionality is provided through the C1 + F1 combination, which adds standardized digital I/O and fieldbus communication channels for coordinated drive functions.
Frequently Asked Questions about RD51.1-4N-007-L-CF-FW:
Q: What is the rated power of the RD51.1-4N-007-L-CF-FW drive controller?
A: The RD51.1-4N-007-L-CF-FW has a rated power output of 7.5 kW.
Q: What supply voltage range is supported by the RD51.1-4N-007-L-CF-FW?
A: This unit operates within a voltage range of 380 to 480 V and supports three-phase AC inputs.
Q: Does the RD51.1-4N-007-L-CF-FW come with an integrated mains filter?
A: An integrated mains filter is included in the RD51.1-4N-007-L-CF-FW for electrical noise reduction.
Q: What cooling type does the RD51.1-4N-007-L-CF-FW utilize?
A: This model uses forced air cooling for thermal management.
Q: Is there a built-in brake chopper in the RD51.1-4N-007-L-CF-FW?
A: The RD51.1-4N-007-L-CF-FW does not feature a built-in brake chopper.
