RD51.1-5B-007-L-NN-FW Bosch Rexroth Indramat
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MPN: R911201156
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The Bosch Rexroth Indramat RD51.1-5B-007-L-NN-FW is a drive controller from the RD 500 Drive Controllers series. It features U/f curve control, a built-in brake chopper, and supports a voltage range of 500 V. This model has a rated power of 7.5 kW and utilizes forced air cooling with a 3-phase AC converter supply.
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Product Description:
The RD51.1-5B-007-L-NN-FW is a three-phase AC drive controller manufactured by Bosch Rexroth Indramat and positioned within the RD 500 Drive Controllers series. Designed for cabinet-mounted automation systems, the unit converts fixed mains power into a variable output for induction motors so that speed and torque can be adapted to process requirements. It connects to upstream contactors on the supply side and downstream motor leads on the load side, providing a controlled interface between the power source and the motor. This arrangement suits pump, fan, and conveyor duties where adjustable motor speed is needed during normal operation.
The drive’s continuous mechanical capacity is rated at 7.5 kW, so it can deliver that level of shaft power during normal thermal operation. Its DC link is supplied from a 500 V mains segment, and the internal front end is specified as Converter 3 × AC. These values indicate the required supply arrangement for the controller. Motor flux is regulated through U/f curve control, a scalar method that maintains the selected voltage-to-frequency ratio so induction motors operate predictably across the usable speed range. Heat generated by switching losses is removed by forced air cooling, which moves ambient air across the heat sink and helps the controller stay within its intended operating temperature range.
Deceleration energy is handled by a built-in brake chopper, which lets the drive manage regenerated energy from the motor during braking. The hardware layout follows generation 1 of the RD platform, so compatible option cards must match that release level. The required operating software is ordered separately rather than supplied as a fixed part of the base electronics. Optional application-specific extensions are not installed, leaving the controller in a baseline configuration. This version uses the standard feature set without added expansion hardware.
Frequently Asked Questions about RD51.1-5B-007-L-NN-FW:
Q: Does the RD51.1-5B-007-L-NN-FW include a brake chopper?
A: The RD51.1-5B-007-L-NN-FW comes with a built-in brake chopper for braking energy management.
Q: What type of control does the RD51.1-5B-007-L-NN-FW use?
A: The drive controller operates using U/f curve control method.
Q: What cooling method is used by the RD51.1-5B-007-L-NN-FW?
A: Forced air cooling is used to maintain proper operating temperature in this drive controller.
Q: What is the rated power output of the RD51.1-5B-007-L-NN-FW?
A: The RD51.1-5B-007-L-NN-FW has a rated power output of 7.5 kW.
Q: What supply type and voltage range does the RD51.1-5B-007-L-NN-FW support?
A: This model is designed to be supplied by a 3-phase AC converter with a voltage range of 500 V.
