RD52.1-4B-160-F-MV-FW Bosch Rexroth Indramat
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MPN: R911201343
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The Bosch Rexroth Indramat RD52.1-4B-160-F-MV-FW is a drive controller from the RD 500 Drive Controllers series. It features a rated power of 160 kW and operates with a voltage range of 380 to 480 volts using a converter supply. This controller uses field oriented vector control and has a built-in brake chopper, integrated mains filter, and forced air cooling with integrated liquid circulation.
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Product Description:
Bosch Rexroth Indramat manufactures the RD52.1-4B-160-F-MV-FW, a member of the RD 500 Drive Controllers series. This cabinet-mounted converter provides closed-loop motor regulation for automated machinery that requires precise speed and torque adjustment. By sending vector-based current commands to connected induction or synchronous motors, it links the plant power bus to the machine axis so programmable controllers can manage coordinated motion without additional power electronics. This arrangement allows a higher-level controller to vary acceleration, steady-state speed, and torque response to match the demands of conveyors, winders, and other process equipment.
The controller is rated for 160 kW of continuous output and accepts a three-phase input range of 380 to 480 V. Its supply configuration is a three-phase AC converter, which rectifies and inverts utility power to produce variable frequency and amplitude. Control is handled through field-oriented vector control, allowing real-time adjustment of flux and torque. For rapid deceleration or overhauling loads, the built-in brake chopper directs excess DC-bus energy to an external resistor bank, helping prevent overvoltage trips. An integrated line filter is included as part of the standard design to reduce conducted line interference. That capability makes the unit suitable for heavy-duty variable-speed applications where load conditions can change quickly during operation.
Operational stability is maintained within a voltage tolerance of ±10 %. Thermal management uses forced-air cooling with integrated liquid circulation; fans move cabinet air across a heat exchanger tied to a coolant loop to keep semiconductor temperatures within limits during full-load duty. The combined air-and-liquid cooling layout removes heat from the power section without placing the full thermal burden on cabinet ventilation alone. The product is part of design generation 1, so it matches the first-release mechanical form factor and option structure. Because the filter is factory installed, supplementary line reactors are not required, which helps reduce panel space and wiring complexity.
