RD51.1-5N-015-L-V1-FW Bosch Rexroth Indramat
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MPN: R911200781
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The Bosch Rexroth Indramat RD51.1-5N-015-L-V1-FW is a drive controller from the RD 500 Drive Controllers series. It features a rated power of 15.0 kW with U/f curve control and operates as a converter on a three-phase AC supply at 500 V. Forced air cooling is used, and this model does not have a built-in brake chopper.
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Product Description:
The RD51.1-5N-015-L-V1-FW drive controller is produced by Bosch Rexroth Indramat within the RD 500 Drive Controllers series. It regulates squirrel-cage induction motors for positioning, conveying, and flow-control duties on automated lines. Acting as a variable-frequency converter, the unit modulates output voltage and frequency to support controlled starts, speed changes, and deceleration profiles that align motor behavior with PLC sequences in compact control cabinets. The controller is intended for applications that need adjustable motor speed and repeatable ramp behavior from a compact industrial drive.
Rated continuous output is 15.0 kW, allowing the device to handle medium-power pumps, fans, or conveyors without thermal derating under normal operating conditions. The drive uses a three-phase AC converter input front end, so the rectifier and DC link are arranged for balanced plant power. The intermediate circuit is designed for a nominal line of 500 V, which provides adequate headroom for the inverter stage while keeping switching losses manageable. Motor magnetization follows a U/f curve control profile, making the unit suitable for constant-torque and quadratic-torque loads that do not require closed-loop servo feedback. Internal heat is removed by forced-air cooling, with cabinet airflow directed across the heat sinks to support continuous duty. This cooling method helps stabilize internal temperatures during prolonged operation at changing motor loads.
The hardware is delivered without a built-in brake chopper, so braking energy must be handled by an external resistor or a regenerative bus module. Control electronics remain active during line-power interruptions through an external 24 V standby power connection, which supports communication and parameter retention while the power stage is off. This release corresponds to design generation 1, so the mechanical layout follows the first RD51 version used for this platform. The required firmware is ordered as a separate subposition, allowing the hardware to be paired with the needed voltage, feedback, and fieldbus options. That arrangement keeps the base unit focused on the power section while the software package is selected for the intended application.
Frequently Asked Questions about RD51.1-5N-015-L-V1-FW:
Q: What is the rated power of the RD51.1-5N-015-L-V1-FW drive controller?
A: The RD51.1-5N-015-L-V1-FW is rated for 15.0 kW of output power.
Q: What control method is used by the RD51.1-5N-015-L-V1-FW?
A: This model uses U/f curve control for managing motor speed and torque.
Q: What type of cooling does the RD51.1-5N-015-L-V1-FW utilize?
A: The RD51.1-5N-015-L-V1-FW is cooled using forced air.
Q: What type of supply is required for the RD51.1-5N-015-L-V1-FW?
A: This drive controller operates with a 3-phase AC converter supply.
Q: Does the RD51.1-5N-015-L-V1-FW come with a built-in brake chopper?
A: A built-in brake chopper is not included with this model.
