RD51.2-5B-015-L-NN-FW Bosch Rexroth Indramat
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MPN: R911203397
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The Bosch Rexroth Indramat RD51.2-5B-015-L-NN-FW is a drive controller in the RD 500 Drive Controllers series. It features a rated power of 15.0 kW, U/f curve control, and is designed for use with converter 3 x AC supply at a voltage range of 500 V. The drive uses forced air cooling and includes a built-in brake chopper.
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Product Description:
The Bosch Rexroth Indramat RD51.2-5B-015-L-NN-FW is a drive controller in the RD 500 Drive Controllers series. As a converter for industrial motor control, it regulates induction or synchronous motors so machine speed and torque can follow process demand without placing unnecessary stress on connected mechanics. By combining power electronics, control logic, and diagnostic functions in one housing, the unit helps simplify panel layout in production lines, conveyors, and material-handling equipment. This arrangement supports centralized cabinet installations where a single drive must provide both regulation and status information for routine machine operation.
The controller uses U/f curve control, so output voltage tracks frequency at a fixed ratio to maintain motor flux through the operating range. It has a continuous output rating of 15.0 kW, making it suitable for medium-duty loads such as pumps, fans, and extruders. Line power enters through a three-phase AC converter front end, and the input circuit is designed for a nominal bus of 500 V. Heat is removed by forced air cooling, so the enclosure needs adequate airflow to maintain rated operation. This control method is commonly used where smooth speed variation is more important than tightly coordinated servo-style positioning.
Braking energy is handled by a built-in brake chopper, which can absorb regenerated energy during deceleration without requiring a separate resistor interface in many applications. The product is in generation 2 of the platform, which keeps it aligned with option cards and parameter sets used for that revision. The controller has no technology functions installed, so application-specific expansion features are not included in the base unit. It is suited to applications that need dependable variable-speed drive behavior rather than specialized motion functions.
Frequently Asked Questions about RD51.2-5B-015-L-NN-FW:
Q: Does the RD51.2-5B-015-L-NN-FW drive controller have a brake chopper?
A: The RD51.2-5B-015-L-NN-FW features a built-in brake chopper for dissipating regenerative energy.
Q: What type of control does the RD51.2-5B-015-L-NN-FW drive controller use?
A: This model utilizes U/f curve control, allowing voltage and frequency adjustments according to the load.
Q: How is the RD51.2-5B-015-L-NN-FW cooled?
A: Forced air cooling is used in this drive controller for temperature regulation during operation.
Q: What is the rated power output of the RD51.2-5B-015-L-NN-FW?
A: The RD51.2-5B-015-L-NN-FW delivers a rated power output of 15.0 kW.
Q: What supply and voltage range is required for operating the RD51.2-5B-015-L-NN-FW?
A: It requires a 3-phase AC converter input and operates within a voltage range of 500 V.
