RD52.1-4B-007-L-F1-FW Bosch Rexroth Indramat
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MPN: R911201363
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The Bosch Rexroth Indramat RD52.1-4B-007-L-F1-FW is a drive controller in the RD 500 Drive Controllers series featuring field oriented vector control and a rated power of 7.5 kW. It supports a voltage range of 380 to 480 V with a tolerance of ±10 percent, and includes a built-in brake chopper and integrated mains filter. The unit uses forced air cooling and operates as a three-phase AC converter.
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Product Description:
The RD52.1-4B-007-L-F1-FW is a drive controller in the RD 500 Drive Controllers series manufactured by Bosch Rexroth Indramat. It interfaces between a three-phase mains supply and an AC motor to modulate speed, torque, and direction according to automation commands. This regulation allows precise process control and energy optimization in material-handling, pumping, or packaging equipment. Because the drive adjusts output frequency and voltage in real time, it can support stable operation during load changes and process transitions.
It accepts a mains window of 380 to 480 V through a three-phase AC converter input, so it fits standard industrial low-voltage networks. At the motor terminals, the controller can supply up to 7.5 kW of mechanical power, matching medium-sized pump and fan drives. The line side can drift within ±10 % of nominal without causing a trip, which helps on feeders with fluctuating utility service. Inside the unit, control loops run on field-oriented vector control, allowing independent adjustment of flux and torque for accurate dynamic response. This control method also helps the motor respond smoothly when load demand changes. Current feedback from the U6, V6, and W6 filter points closes the loop and keeps phase currents balanced under changing load.
Thermal management relies on forced air cooling, so mounting space must permit unobstructed airflow through the heat-sink channel. A built-in brake chopper is included, so excess DC-bus energy from deceleration can be dissipated internally during most duty cycles. Conducted emissions are reduced by the integrated mains filter, which helps the installation meet EMC limits without extra line filters. Clearance around the cooling path is important because blocked intake or exhaust air can reduce heat removal during continuous operation. The controller belongs to design generation 1, so its parameter structure and diagnostic functions follow that generation.
Frequently Asked Questions about RD52.1-4B-007-L-F1-FW:
Q: Does the RD52.1-4B-007-L-F1-FW include a brake chopper?
A: The RD52.1-4B-007-L-F1-FW is equipped with a built-in brake chopper for improved braking energy management.
Q: What control method does the RD52.1-4B-007-L-F1-FW use?
A: This model provides field oriented vector control for precise drive performance.
Q: How is the RD52.1-4B-007-L-F1-FW drive controller cooled?
A: The RD52.1-4B-007-L-F1-FW uses forced air cooling to maintain optimal operating temperatures.
Q: Does the RD52.1-4B-007-L-F1-FW have a mains filter built in?
A: It has an integrated mains filter, helping reduce electrical interference during operation.
Q: What is the rated power capacity of the RD52.1-4B-007-L-F1-FW?
A: The rated power output for this drive controller is 7.5 kW, supporting demanding motor loads.
