RD52.1-4B-018-P-NN-FW Bosch Rexroth Indramat
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MPN: R911203164
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The Bosch Rexroth Indramat RD52.1-4B-018-P-NN-FW is a drive controller from the RD 500 Drive Controllers series. It features a rated power of 18.5 kW, supports a voltage range of 380 to 480 V, and includes a built-in brake chopper with integrated mains filter. The controller uses field oriented vector control and is cooled through a heat dissipation panel.
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Product Description:
Bosch Rexroth Indramat manufactures the RD52.1-4B-018-P-NN-FW, a drive controller in the RD 500 Drive Controllers series. The unit sits between the plant's three-phase mains and the motor, delivering regulated AC output for material handling and process lines. It is intended for centralized cabinet installation where several axes share a DC link and compact power stages help limit panel depth. Within automated cells, the controller supplies consistent torque, shapes acceleration ramps, and follows motion commands issued by the PLC.
The power section accepts line voltages from 380 to 480 V and tolerates supply variation of ±10%, so it can operate on standard industrial feeders without additional tap transformers. As a 3 x AC converter, it first rectifies the incoming mains, stores energy in its DC link, and then reconstructs a variable-frequency output waveform. Motor regulation is based on field-oriented vector control, which measures current components separately to maintain flux alignment and achieve fast torque response even at low speed. A built-in brake chopper is connected across the DC link to divert regenerative energy into an external resistor, helping prevent overvoltage during rapid deceleration or load overrun conditions.
The drive's continuous mechanical rating reaches 18.5 kW, and the thermal design supports this output through a heat dissipation panel that conducts losses to the cabinet wall for units up to that power level. Harmonic suppression on the mains side is aided by an integrated mains filter, allowing installation without a separate EMC component in many regions. The controller is part of design generation 1 and ships with no auxiliary application functions enabled. Additional operating sequences can be added through parameter settings when the application requires them.
Frequently Asked Questions about RD52.1-4B-018-P-NN-FW:
Q: Does the RD52.1-4B-018-P-NN-FW include a brake chopper?
A: The RD52.1-4B-018-P-NN-FW drive controller features a built-in brake chopper.
Q: What control method is used by the RD52.1-4B-018-P-NN-FW?
A: This drive controller uses field oriented vector control for precise motor operation.
Q: How is the RD52.1-4B-018-P-NN-FW cooled during operation?
A: It is cooled by a heat dissipation panel, suitable for power ratings up to 18.5 kW.
Q: What is the rated power output of the RD52.1-4B-018-P-NN-FW?
A: The RD52.1-4B-018-P-NN-FW is rated for a power output of 18.5 kW.
Q: What supply voltage range does the RD52.1-4B-018-P-NN-FW support?
A: This drive controller supports a three-phase AC supply with a voltage range from 380 to 480 V.
