RD51.1-5N-003-L-D1-FW Bosch Rexroth Indramat
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MPN: R911200393
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The Bosch Rexroth Indramat RD51.1-5N-003-L-D1-FW is a drive controller from the RD 500 Drive Controllers series. It features U/f curve control and has a rated power of 3.0 kW. This model operates on a converter 3 x AC supply with a voltage range of 500 V and uses forced air cooling.
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Product Description:
The RD51.1-5N-003-L-D1-FW is a drive controller manufactured by Bosch Rexroth Indramat and assigned to the RD 500 Drive Controllers series. In industrial automation, this controller forms the interface between the line supply and asynchronous motors, delivering adjusted voltage and frequency so that conveyor lines, pumps, and process fans run at commanded speeds instead of a fixed utility frequency. This helps the driven machine respond more smoothly to changing load conditions during normal operation. It also supports tighter process control while reducing wasted energy during partial-load use.
Electrical integration centers on a three-phase AC converter input topology that accepts three-phase supplies within a nominal 500 V range, allowing the unit to connect directly to standard industrial distribution panels. The power section can output up to 3.0 kW, which is suitable for continuous-duty motor operation within that power class. Speed regulation uses U/f curve control, maintaining a proportional relationship between voltage and frequency so motor flux stays stable across the adjustable speed range. This control method suits applications that need dependable speed adjustment without more complex feedback hardware. Internal heat is removed by forced air cooling, so the enclosure must provide adequate airflow paths, and the inverter is supplied without a built-in brake chopper, so external braking hardware is needed when fast deceleration is required.
Field wiring is organized through a NAMUR terminal strip that groups control signals on standardized screw terminals for straightforward connection of external I/O. Low-power logic can remain active through the external 24 V standby power connection, allowing monitoring and control circuits to stay energized when the main power section is isolated. The product is classified as Design Generation 1. This designation identifies the controller generation used in the platform.
Frequently Asked Questions about RD51.1-5N-003-L-D1-FW:
Q: What cooling method is used for the RD51.1-5N-003-L-D1-FW drive controller?
A: The RD51.1-5N-003-L-D1-FW is designed for forced air cooling to maintain optimal operating temperatures.
Q: What type of control does the RD51.1-5N-003-L-D1-FW provide?
A: This controller supports U/f curve control for variable frequency drive applications.
Q: What is the rated power output for the RD51.1-5N-003-L-D1-FW?
A: The RD51.1-5N-003-L-D1-FW provides a rated power output of 3.0 kW.
Q: What voltage range and supply type are required for the RD51.1-5N-003-L-D1-FW?
A: It operates within a voltage range of 500 V using a 3-phase AC supply.
Q: Does the RD51.1-5N-003-L-D1-FW include a built-in brake chopper?
A: This drive controller is manufactured without a built-in brake chopper.
