RD51.1-4N-160-F-NN-FW Bosch Rexroth Indramat
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MPN: R911200832
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The Bosch Rexroth Indramat RD51.1-4N-160-F-NN-FW is a drive controller in the RD 500 Drive Controllers series. It supports a voltage range of 380 to 480 V, has a rated power of 160 kW, and uses a U/f curve control type. This unit features forced air cooling with integrated liquid circulation and includes an integrated mains filter.
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Product Description:
The RD51.1-4N-160-F-NN-FW drive controller is manufactured by Bosch Rexroth Indramat and belongs to the RD 500 Drive Controllers series. Designed for cabinet installation, the unit serves as the power-electronics interface between a three-phase mains supply and an induction motor, allowing speed variation and process tuning in automated production lines. By controlling the voltage and frequency presented to the motor windings, it supports conveyors, mixers, and pumping stations that require adjustable torque and energy efficiency. This arrangement helps match motor speed to process demand in systems that run at different loads during normal operation. Its cabinet-mounted format keeps the power conversion stage centralized while the motor remains at the machine.
Its continuous output capability is 160 kW, making it suitable for medium-to-high power machinery. The input side uses a three-phase AC converter input, and the unit operates from 380 to 480 V within a ±10 % tolerance window, so it can accommodate common plant supply variation. Motor excitation follows a U/f curve control profile, which keeps voltage and frequency in step across the operating speed range. This approach is commonly used where reliable speed adjustment is needed without adding more complex control behavior. Symmetrical three-phase input also supports steady DC-link conditions during continuous duty.
Thermal management relies on forced-air cooling with integrated liquid circulation, combining directed airflow with an internal coolant path to remove heat from the power modules. This combined cooling arrangement supports sustained operation in higher-power drive sections where heat density is greater than in small inverters. An integrated mains filter reduces conducted emissions on the supply side and can simplify line-side installation. The unit is supplied without a built-in brake chopper, so regenerative energy must be handled by external braking hardware when the driven load decelerates quickly. It is part of design generation 1.
Frequently Asked Questions about RD51.1-4N-160-F-NN-FW:
Q: What is the rated power output of the RD51.1-4N-160-F-NN-FW drive controller?
A: The RD51.1-4N-160-F-NN-FW drive controller delivers a rated power of 160 kW.
Q: What is the supply voltage range for the RD51.1-4N-160-F-NN-FW?
A: This model operates with a voltage input range from 380 to 480 V AC.
Q: What type of cooling method is implemented in the RD51.1-4N-160-F-NN-FW?
A: The RD51.1-4N-160-F-NN-FW uses forced air cooling combined with integrated liquid circulation.
Q: Is a mains filter included with the RD51.1-4N-160-F-NN-FW drive controller?
A: An integrated mains filter is included in the RD51.1-4N-160-F-NN-FW to reduce electromagnetic interference.
Q: Does the RD51.1-4N-160-F-NN-FW include a built-in brake chopper?
A: This drive controller is manufactured without a built-in brake chopper.
