RD51.1-5B-007-D-D1-FW Bosch Rexroth Indramat
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MPN: R911200769
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The Bosch Rexroth Indramat RD51.1-5B-007-D-D1-FW is a drive controller from the RD 500 Drive Controllers series with a rated power of 7.5 kW and a voltage range of 500 V. This unit features U/f curve control, a built-in brake chopper, and a plug-through cooler for applications up to 110 kW. It also includes a NAMUR terminal strip and supports 24 V external stand-by power.
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Product Description:
The RD51.1-5B-007-D-D1-FW is a drive controller produced by Bosch Rexroth Indramat within the RD 500 Drive Controllers series. It regulates the speed and torque of three-phase induction motors used in machine tools, conveyors, and process equipment. By converting a fixed mains supply into a variable output, the unit allows automation systems to match motor performance to changing load conditions and energy demand. The controller also supports parameter entry through a keypad or fieldbus, giving the installation a consistent control interface.
This model draws power from a three-phase AC mains source and is intended for supply networks up to 500 V. Within that range, the inverter can deliver a continuous motor output of 7.5 kW. Speed regulation uses U/f curve control, so voltage is adjusted in proportion to frequency to maintain magnetic flux without closed-loop feedback. Thermal stability is supported by a plug-through cooler, which places the heat sink through the panel wall so power losses can be carried away from the electronics area. The controller is part of the first design release for this power class, which identifies it as an early version within the product line.
For deceleration, the unit includes a built-in brake chopper that routes regenerated energy to an external resistor and helps prevent DC-link overvoltage during rapid stops. System wiring is arranged through a NAMUR terminal strip, which provides dedicated connection points for process-control signals. Control logic can remain active from an external 24 V standby power supply during a mains interruption, allowing status retention and controlled response from the electronics. The drive is also identified as Generation 1, placing it in the initial release group for this model. These features support controlled braking behavior and orderly signal handling without changing the main power characteristics already described above.
Frequently Asked Questions about RD51.1-5B-007-D-D1-FW:
Q: Does the RD51.1-5B-007-D-D1-FW drive controller come with a built-in brake chopper?
A: The RD51.1-5B-007-D-D1-FW is equipped with a built-in brake chopper for energy dissipation during braking cycles.
Q: What is the rated power output of the RD51.1-5B-007-D-D1-FW drive controller?
A: This drive controller provides 7.5 kW of rated power for industrial applications.
Q: What type of supply voltage does the RD51.1-5B-007-D-D1-FW require?
A: The RD51.1-5B-007-D-D1-FW supports 3-phase AC converter supply for its operation.
Q: How is the RD51.1-5B-007-D-D1-FW drive controller cooled?
A: A plug-through cooler is used for cooling in the RD51.1-5B-007-D-D1-FW, suitable for ratings up to 110 kW.
Q: What voltage range does the RD51.1-5B-007-D-D1-FW support?
A: This model operates on a voltage range of 500 V for its power requirements.
