RD52.1-4B-015-L-NN-FW Bosch Rexroth Indramat
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MPN: R911200052
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The Bosch Rexroth Indramat RD52.1-4B-015-L-NN-FW is a drive controller in the RD 500 Drive Controllers series with a rated power of 15.0 kW. It features field oriented vector control, forced air cooling, and an integrated brake chopper. This unit operates on a converter 3 x AC supply within a voltage range of 380 to 480 V and includes an integrated mains filter.
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Product Description:
The RD52.1-4B-015-L-NN-FW drive controller is produced by Bosch Rexroth Indramat as part of the RD 500 Drive Controllers series. It serves as the power-conversion and regulation element between a three-phase mains supply and the AC motors that drive conveyors, mixers, or positioning stages in automated lines. By modulating output frequency and voltage through closed-loop control, it matches motor torque to changing load demands and helps keep industrial processes stable and repeatable.
This model delivers a rated output of 15.0 kW, allowing it to run medium-sized production motors in continuous duty without derating. It accepts line voltages from 380 to 480 V, which suits common industrial power systems. A supply fluctuation window of ±10 % allows the unit to remain functional during typical grid sag or swell conditions. The input stage uses a three-phase AC converter, so the controller rectifies the incoming supply, stores energy in its DC link, and recreates a variable AC output for motor control. Thermal management is handled by forced air cooling, and internal fans move ambient air through the heat sinks to keep semiconductor temperatures within their operating range during continuous, cyclic, or rapid-acceleration tasks.
A built-in brake chopper is connected to the DC link so regenerative energy from rapid deceleration is safely dissipated instead of being returned to the mains. Current and flux are regulated by field-oriented vector control, which responds quickly to load changes and supports accurate torque production at low speeds. An integrated mains filter attenuates conducted electromagnetic interference, helping the panel meet EMC limits without extra components. The unit is Design Generation 1. This generation supports use with compatible option cards and parameter sets intended for the first release of the platform.
Frequently Asked Questions about RD52.1-4B-015-L-NN-FW:
Q: Does the RD52.1-4B-015-L-NN-FW drive controller feature a brake chopper?
A: A built-in brake chopper is included for braking energy management.
Q: What type of control method does the RD52.1-4B-015-L-NN-FW use?
A: The controller utilizes field oriented vector control for precise drive performance.
Q: How is the RD52.1-4B-015-L-NN-FW drive controller cooled?
A: Forced air cooling is employed to maintain optimal operating temperatures in this model.
Q: Is there a mains filter in the RD52.1-4B-015-L-NN-FW drive controller?
A: The mains filter is integrated into the RD52.1-4B-015-L-NN-FW for electrical noise reduction.
Q: What is the rated power capacity of the RD52.1-4B-015-L-NN-FW?
A: This drive controller is rated for a power output of 15.0 kW.
