RD52.1-7N-075-L-NN-FW Bosch Rexroth Indramat
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MPN: R911200329
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The Bosch Rexroth Indramat RD52.1-7N-075-L-NN-FW is a drive controller from the RD 500 Drive Controllers series with a rated power of 75 kW. It operates on an inverter DC supply type with a voltage range of 530 to 670 volts and uses forced air cooling. The unit supports field oriented vector control and does not include a built-in brake chopper.
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Product Description:
The RD52.1-7N-075-L-NN-FW is a controller from Bosch Rexroth Indramat’s RD 500 Drive Controllers series. Designed for cabinet-mounted inverter sections, this unit regulates three-phase induction or synchronous motors in automated machinery. By processing feedback and modulating switching patterns, it provides speed and torque regulation required for conveyors, extruders, and general motion tasks.
Electrical capacity defines the applications it can service. The controller delivers 75 kW of continuous output and is fed from a DC link that spans 530 to 670 V, allowing it to share a common bus with rectifier modules on medium-voltage supply networks. Its modulation is based on field-oriented vector control, so current vectors align with motor flux to maximize dynamic torque response. Internally, components stay within temperature limits by forced air cooling that pushes cabinet air through the heat sink. Power arrives on an Inverter DC rail; no integrated rectifier is present, which reduces footprint and lets multiple axes draw from the same supply.
Mechanical braking energy is handled externally because the unit is specified without built-in brake chopper, so a separate resistor or drive module must dissipate regenerated power. This model belongs to Design Generation 1, ensuring connector positions and parameter maps match other generation-1 devices. Option boards and application-specific macros are not equipped, streamlining commissioning when only basic speed or torque loops are required. Control logic still needs firmware, and the note Firmware must be ordered as separate subposition means the user selects a version that matches network or safety demands. Collectively, these traits support standardized panel layouts while giving integrators freedom to size braking components and firmware functionality.
Frequently Asked Questions about RD52.1-7N-075-L-NN-FW:
Q: What is the supported voltage range for the RD52.1-7N-075-L-NN-FW drive controller?
A: The RD52.1-7N-075-L-NN-FW supports input voltages ranging from 530 to 670 V.
Q: How is the RD52.1-7N-075-L-NN-FW drive controller cooled?
A: This model is equipped with forced air cooling to regulate temperature during operation.
Q: What is the rated power output of the RD52.1-7N-075-L-NN-FW drive controller?
A: The RD52.1-7N-075-L-NN-FW offers a rated power output of 75 kW.
Q: What type of control does the RD52.1-7N-075-L-NN-FW drive controller provide?
A: The controller uses field oriented vector control for precise motor performance.
Q: Does the RD52.1-7N-075-L-NN-FW have a built-in brake chopper?
A: This unit does not include a built-in brake chopper.
