RD51.1-4N-007-L-D1-FW Bosch Rexroth Indramat
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MPN: R911200533
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The Bosch Rexroth Indramat RD51.1-4N-007-L-D1-FW is a drive controller in the RD 500 Drive Controllers series. This model provides U/f curve control and has a rated power of 7.5 kW with a voltage range of 380 to 480 Volts. It is equipped with an integrated mains filter, forced air cooling, and supports converter 3 x AC supply.
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Product Description:
The RD51.1-4N-007-L-D1-FW is a modular drive controller produced by Bosch Rexroth Indramat within the RD 500 Drive Controllers series. The unit converts three-phase line power into a variable output for induction motors used in conveyors, mixers, and pump stations. By adjusting motor frequency and voltage, the controller allows the connected motor speed to follow process demand, which can reduce energy use and mechanical stress in continuous industrial automation.
It accepts a line voltage of 380 to 480 V and is designed for operation on a three-phase AC converter supply, giving it compatibility with standard industrial mains. The permissible deviation is ±10 %, so the controller can tolerate normal supply variation without unnecessary interruption. Nominal output is rated at 7.5 kW, which suits medium-sized induction motors used on material-handling and process equipment. Speed regulation follows a U/f curve control strategy, so voltage is reduced in proportion to frequency to help maintain stable magnetic flux at lower speeds. This operating method supports general-purpose variable-speed duty where simple and predictable motor control is required.
Thermal management is handled by forced air cooling, so cabinet airflow paths must remain unobstructed to remove switching losses during operation. An integrated mains filter attenuates conducted emissions and reduces the need for external filtering hardware in many installations. Because the unit is supplied without a built-in brake chopper, high-inertia drives that require rapid deceleration need an external chopper-resistor assembly. Field wiring terminates on a NAMUR terminal strip, and a 24 V standby supply keeps the control logic active during mains outages. The controller is part of design generation 1.
Frequently Asked Questions about RD51.1-4N-007-L-D1-FW:
Q: What is the rated power output of the RD51.1-4N-007-L-D1-FW?
A: This drive controller provides 7.5 kW of rated power for industrial applications.
Q: What supply voltage range does the RD51.1-4N-007-L-D1-FW support?
A: The controller operates on a voltage range from 380 to 480 V AC three-phase supply.
Q: How is the RD51.1-4N-007-L-D1-FW drive controller cooled?
A: It uses forced air cooling to maintain operational temperatures.
Q: What type of control does the RD51.1-4N-007-L-D1-FW utilize?
A: This model features U/f curve control as its control method.
Q: Does the RD51.1-4N-007-L-D1-FW include a built-in brake chopper?
A: The RD51.1-4N-007-L-D1-FW does not have a built-in brake chopper.
