RD52.1-4N-045-L-NN-FW Bosch Rexroth Indramat
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MPN: R911201355
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The Bosch Rexroth Indramat RD52.1-4N-045-L-NN-FW is a drive controller from the RD 500 Drive Controllers series with a rated power of 45 kW and a voltage range from 380 to 480 V. It uses field oriented vector control and features integrated mains filtering and forced air cooling. This controller operates as a converter for 3-phase AC supply and does not include a built-in brake chopper.
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Product Description:
The RD52.1-4N-045-L-NN-FW drive controller is produced by Bosch Rexroth Indramat for the RD 500 Drive Controllers series. It occupies a central role in an inverter panel, converting fixed-frequency mains power into controlled output that matches commanded speed and torque profiles for connected industrial motors. By integrating with distributed I/O and motion sequences, the device supports precise positioning, conveyor speed regulation, and stable process control across automated production lines. Its hardware platform corresponds to design generation 1.
Supply voltage enters through the converter section designed for 380 to 480 V, permitting installation on common factory bus bars without an isolation transformer. Inside, the module operates as a three-phase AC converter, rectifying the incoming supply and re-inverting it under field-oriented vector control so torque follows reference values even at low speed. Continuous mechanical demand up to 45 kW can be delivered, which suits medium-frame pumps, centrifuges, and extruders. Heat produced by the IGBTs is removed with forced air cooling, so the enclosure must have an unobstructed airflow path. Because the optional technology bay is not equipped, the base unit focuses on drive regulation alone.
Input variations are accommodated by a line tolerance of ±10%, keeping the DC-link voltage within acceptable limits during supply dips or surges. An integrated mains filter attenuates conducted noise and can reduce the need for external RFI components in sensitive installations. The housing comes without a built-in brake chopper, so applications with rapid deceleration may require external braking hardware. The operating program is ordered as a separate subposition rather than being stored in the power stage.
Frequently Asked Questions about RD52.1-4N-045-L-NN-FW:
Q: What cooling system does the RD52.1-4N-045-L-NN-FW drive controller use?
A: This model features forced air cooling to regulate internal temperatures during operation.
Q: What is the supported supply voltage range for the RD52.1-4N-045-L-NN-FW?
A: The RD52.1-4N-045-L-NN-FW supports a supply voltage range from 380 to 480 V AC for flexible installation.
Q: What is the rated power output of the RD52.1-4N-045-L-NN-FW?
A: This drive controller is rated for a maximum power output of 45 kW.
Q: What control method does the RD52.1-4N-045-L-NN-FW employ?
A: The RD52.1-4N-045-L-NN-FW utilizes field oriented vector control for precise motor management.
Q: Is a mains filter included with the RD52.1-4N-045-L-NN-FW drive controller?
A: An integrated mains filter is included in this model, which helps minimize electrical interference.
