RD52.1-4B-001-P-NN-FW Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
MPN: R911200253
Ask for AvailabilityThe Bosch Rexroth Indramat RD52.1-4B-001-P-NN-FW is a drive controller from the RD 500 Drive Controllers series. It features a built-in brake chopper, integrated mains filter, and supports a voltage range of 380 to 480 Volts with a tolerance of plus or minus 10 percent. The controller uses field oriented vector control and employs a heat dissipation panel for cooling for outputs up to 18.5 kW.
Internal Product Review
The RD52.1-4B-001-P-NN-FW is a drive controller from the RD 500 series by Bosch Rexroth Indramat, featuring a built-in brake chopper and integrated mains filter. With field oriented vector control and a voltage range of 380 to 480 V, this unit delivers precise motor management and reliable performance. The design supports efficient heat dissipation, making it an excellent choice for demanding industrial automation.
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Product Description:
The RD52.1-4B-001-P-NN-FW drive controller is produced by Bosch Rexroth Indramat as part of the RD 500 Drive Controllers series. Designed for cabinet-mounted motor control, the unit converts three-phase mains power into regulated output for induction or synchronous motors used in conveyors, presses, and other automated stations. By regulating torque and speed through real-time current processing, it serves as the central actuator interface between a PLC motion command and the mechanical load. This layout supports accurate motor response when operating conditions change during normal machine cycles. It is suited to applications that need coordinated speed changes, steady torque delivery, and predictable response during start, run, and stop events.
The controller handles line voltages from 380 to 480 V and tolerates supply variation up to ±10%, so standard industrial feeders can be connected without a transformer. It is energized through a three-phase AC converter front end that rectifies and inverts the mains to a variable-frequency output. An integrated mains filter attenuates conducted emissions, reducing the need for external filtering hardware. For dynamic regulation, the drive uses field-oriented vector control, which separates motor flux and torque for stable low-speed operation and consistent load handling. It also improves torque response during acceleration from low shaft speeds. A heat-dissipating back panel removes losses for power ratings up to 18.5 kW, helping the enclosure shed heat without additional internal complexity.
Mechanical braking energy is redirected inside the unit by the built-in brake chopper, allowing fast deceleration without an external resistor on light-duty axes. Thermal management is augmented by the heat dissipation panel, which simplifies enclosure ventilation calculations and supports stable operation in compact cabinet layouts. The unit is part of Design generation 1, so it matches the first release of the RD52 platform for compatible option-card selection. No optional technology packages are included, so the controller remains focused on core drive functions and leaves expansion choices open for the application.
