RD52.1-4N-075-L-NN-FW Bosch Rexroth Indramat
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MPN: R911200527
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The Bosch Rexroth Indramat RD52.1-4N-075-L-NN-FW is a drive controller from the RD 500 Drive Controllers series. It features field oriented vector control and delivers a rated power of 75 kW. The device operates on a 3 x AC converter supply with an input voltage range of 380 to 480 V and uses forced air cooling.
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Product Description:
The RD52.1-4N-075-L-NN-FW is a drive controller from Bosch Rexroth Indramat that belongs to the RD 500 Drive Controllers series. Designed for cabinet installation, it receives three-phase supply power and sends a precisely modulated output to induction or synchronous motors used on conveyors, extruders, and packaging stations. The unit forms the link between the plant PLC and the mechanical axis, executing torque and speed commands while supervising current limits and operating status. Its role is to maintain process accuracy and protect the connected machinery during continuous or cyclic motion tasks.
Its rated output is 75 kW, providing sufficient capacity for mid-range motion axes without oversizing the installation. The converter section accepts line voltages from 380 to 480 V and continues to operate when the mains fluctuate within a tolerance of ±10 %. Because it is a 3 × AC converter, it rectifies and inverts each phase to create a variable-frequency waveform that the motor can follow. Closed-loop manipulation of the stator flux is performed through field-oriented vector control, enabling stable torque at very low speeds and rapid dynamic response. No application-specific function packages are installed, so programming focuses on motion parameters rather than auxiliary technology modules.
Thermal management relies on forced-air cooling, and the integral fan draws cabinet air across the heat sink to preserve semiconductor temperature under full current loading. Because the unit is supplied without a built-in brake chopper, external braking hardware is required when regenerative deceleration must be dissipated internally. An integrated mains filter attenuates conducted emissions, allowing the controller to meet common EMC limits without extra line components. The unit is Design generation 1.
Frequently Asked Questions about RD52.1-4N-075-L-NN-FW:
Q: What is the rated power output of the RD52.1-4N-075-L-NN-FW drive controller?
A: The RD52.1-4N-075-L-NN-FW supports a rated power output of 75 kW for high-capacity industrial applications.
Q: What control method does the RD52.1-4N-075-L-NN-FW utilize?
A: This model uses field oriented vector control for precise and dynamic motor management.
Q: What type of power supply is required for operating the RD52.1-4N-075-L-NN-FW?
A: The RD52.1-4N-075-L-NN-FW operates on a three-phase AC converter supply.
Q: What is the supported input voltage range of the RD52.1-4N-075-L-NN-FW?
A: The input voltage range for this drive controller is from 380 to 480 V with a tolerance of ±10%.
Q: How is the RD52.1-4N-075-L-NN-FW drive controller cooled?
A: It features forced air cooling, ensuring effective heat dissipation during operation.
