RD51.1-4N-007-L-V1-FW Bosch Rexroth Indramat
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MPN: R911200168
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The Bosch Rexroth Indramat RD51.1-4N-007-L-V1-FW is a drive controller in the RD 500 Drive Controllers series and offers a rated power of 7.5 kW. It uses U/f curve control, operates on a voltage range of 380 to 480 V with a ±10% tolerance, and is cooled by forced air. The controller includes an integrated mains filter and provides 24 V external stand-by power.
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Product Description:
The RD51.1-4N-007-L-V1-FW is a drive controller produced by Bosch Rexroth Indramat within the RD 500 Drive Controllers series. Designed for cabinet-mounted variable-speed operation of standard AC motors, the unit converts three-phase mains energy into a regulated output that supports conveyors, pumps, and other plant equipment. By controlling motor frequency and voltage, it enables precise speed regulation, energy savings, and coordinated motion in automated production lines. This operating method also helps standard AC motors adapt to changing process demand without requiring constant full-speed operation.
Its control section works with U/f curve control, delivering a fixed ratio between output voltage and frequency so the connected motor maintains consistent torque across the usable speed band. The power stage uses a 3 x AC converter input, which matches industrial three-phase grids used in factory installations. Acceptable line potential spans 380 to 480 V, and the design continues to function when the incoming voltage drifts by up to ±10 %, which helps the controller remain available during normal utility variation. Under nominal conditions, the controller delivers 7.5 kW of mechanical power to the motor, which is the maximum continuous load the inverter section can support without thermal derating or overcurrent intervention.
Heat generated by switching devices is expelled through forced air cooling, so the cabinet must provide unobstructed airflow paths around the heat sink and vent area. For electromagnetic compatibility, the output stage includes an integrated mains filter that attenuates conducted noise back to the supply conductors. The logic section can remain energized by an auxiliary line because the functions list specifies external 24 V standby power, which allows parameter access while the main bus is de-energized. The unit is supplied without a built-in brake chopper, so dynamic braking must be handled by external hardware when the application requires rapid deceleration. This model belongs to design generation 1 within the RD 500 platform.
Frequently Asked Questions about RD51.1-4N-007-L-V1-FW:
Q: What is the rated power output of the RD51.1-4N-007-L-V1-FW?
A: This drive controller offers a rated power output of 7.5 kW.
Q: How is the RD51.1-4N-007-L-V1-FW cooled during operation?
A: The RD51.1-4N-007-L-V1-FW uses forced air cooling for thermal management.
Q: Does the RD51.1-4N-007-L-V1-FW have a built-in mains filter?
A: It features an integrated mains filter for power line noise reduction.
Q: What supply voltage range does the RD51.1-4N-007-L-V1-FW support?
A: The drive accepts a supply voltage range from 380 to 480 V with a ±10% tolerance.
Q: Does the RD51.1-4N-007-L-V1-FW have a built-in brake chopper?
A: This model does not include a built-in brake chopper.
