RD52.1-4B-200-R-W1-FW Bosch Rexroth Indramat
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MPN: R911203577
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The Bosch Rexroth Indramat RD52.1-4B-200-R-W1-FW is a drive controller in the RD 500 Drive Controllers series with a rated power of 200 kW. It features field oriented vector control, liquid cooling with internal pump, and has an integrated mains filter. This unit supports a voltage range of 380 to 480 V and includes a built-in brake chopper.
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Product Description:
The RD52.1-4B-200-R-W1-FW drive controller is produced by Bosch Rexroth Indramat as part of the RD 500 Drive Controllers series. Within an automation cell, it modulates power to induction or synchronous motors, converting incoming line energy into regulated output waveforms so that conveyors, pumps, or process axes follow setpoints from a PLC or motion coordinator. Its control stage supports smooth acceleration and deceleration when process demand changes during operation. It is version 1 of the platform design.
Rated for 200 kW, the unit can supply substantial real power to large production motors. That output level suits large pumps, fans, and conveyor sections that run continuously under industrial duty. It is fed from a three-phase AC converter supply and can accept line potentials in the 380 to 480 V range, allowing installation on common industrial power systems without an autotransformer. Dynamic response is handled by field-oriented vector control, which separates stator current into flux and torque components to limit slip during load changes. Heat generated by semiconductor switching is removed through liquid cooling with an internal pump, helping stabilize module temperature during high-load operation.
A built-in brake chopper is connected across the DC link to dissipate regenerated energy during rapid deceleration. This is useful in applications where frequent braking returns energy to the DC link. Incoming harmonics are attenuated by the integrated mains filter, which reduces the need for additional external filtering in many panel layouts. Power connections use 95 mm² terminals at C and F, providing a low-resistance path for the current levels associated with higher-power applications. The allowable supply variation is ±10 % tolerance, giving the controller resistance to typical plant voltage swings without derating.
Frequently Asked Questions about RD52.1-4B-200-R-W1-FW:
Q: Does the RD52.1-4B-200-R-W1-FW include a brake chopper?
A: The RD52.1-4B-200-R-W1-FW is equipped with a built-in brake chopper for effective braking energy management.
Q: What type of control is used by the RD52.1-4B-200-R-W1-FW?
A: The RD52.1-4B-200-R-W1-FW provides field oriented vector control for precise motor operation.
Q: How is the RD52.1-4B-200-R-W1-FW drive controller cooled?
A: This model features liquid cooling with an internal pump for efficient temperature regulation at power ratings of 132 kW or higher.
Q: What is the rated power output of the RD52.1-4B-200-R-W1-FW?
A: This drive controller is rated for 200 kW, supporting large-scale industrial applications.
Q: What supply voltage range does the RD52.1-4B-200-R-W1-FW support?
A: The RD52.1-4B-200-R-W1-FW operates on a 3-phase AC supply with a voltage range from 380 to 480 V.
