RD51.1-5N-007-L-NN-FW Bosch Rexroth Indramat
MPN: R911201262
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The Bosch Rexroth Indramat RD51.1-5N-007-L-NN-FW is a drive controller in the RD 500 Drive Controllers series. It features a rated power output of 7.5 kW and operates with a voltage range of 500 V using forced air cooling. This model uses U/f curve control and does not include a built-in brake chopper.
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Product Description:
The RD51.1-5N-007-L-NN-FW is a drive controller from Bosch Rexroth Indramat in the RD 500 Drive Controllers series. It is intended for automated plant equipment that requires variable-frequency control of three-phase induction motors. The controller serves as the conversion stage between the plant power supply and the motor, providing adjustable output for process-driven speed changes. By adjusting both output voltage and frequency, the unit allows motor speed to follow process demand more closely in conveyors, pumps, and general material-handling systems. This makes it suitable for duties where stable motor operation is needed during changing load conditions in everyday industrial service.
The power stage uses a three-phase AC converter input and accepts supply levels up to 500 V. Its control method is U/f curve control, which keeps voltage and frequency in a fixed relationship so the motor can maintain stable magnetic conditions through the normal speed range. The controller is rated for 7.5 kW of continuous mechanical output, making it suitable for medium-size motor loads in fans, compressors, and similar equipment. Heat is removed by forced air cooling, with an internal fan moving air through the heat-sink channels during operation. This approach supports straightforward speed control in applications that do not require more complex closed-loop motor regulation.
The unit is supplied without a built-in brake chopper, so applications that return braking energy need an external braking module. It is delivered without added application functions, leaving the controller configured as a basic power stage for standard motor control duties. The product is in Design generation 1, which identifies the first release level for this controller version. Because braking hardware is separate, the main enclosure remains focused on core drive functions instead of internal energy dissipation. This layout fits installations that use simple speed regulation and add only the external options required by the machine.
Frequently Asked Questions about RD51.1-5N-007-L-NN-FW:
Q: What type of control does the RD51.1-5N-007-L-NN-FW utilize?
A: This drive controller uses U/f curve control for motor management.
Q: What is the rated power of the RD51.1-5N-007-L-NN-FW drive controller?
A: The RD51.1-5N-007-L-NN-FW is rated for a power output of 7.5 kW.
Q: What supply type does the RD51.1-5N-007-L-NN-FW require?
A: This model operates on a 3-phase AC converter supply.
Q: What cooling method is used in the RD51.1-5N-007-L-NN-FW?
A: The RD51.1-5N-007-L-NN-FW uses forced air cooling for thermal management.
Q: Does the RD51.1-5N-007-L-NN-FW have a built-in brake chopper?
A: This drive controller does not include a built-in brake chopper.