RD43.1-4R-185-R-NN-FW
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MPN: R911201158
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The RD43.1-4R-185-R-NN-FW, part of the Bosch Rexroth Indramat RD 500 Drive Controllers, is a Rotary Table with a frame size of 43.1. It offers a reduction ratio of 185:1, a rated output torque of 420 Nm, and supports a maximum input speed of 4000 rpm. The unit weighs 38 kg and permits a radial load of 11000 N.
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Product Description:
The RD43.1-4R-185-R-NN-FW is part of the RD 43 series of Rexroth Indramat power inverters. It is engineered to provide reliable control of AC motor drive systems by converting input power into regulated, variable-frequency output. The inverter enables precise adjustment of motor speed and torque across a wide operating range without mechanical intervention. The inverter is designed to interface with central control units and fieldbus systems, ensuring coordinated motion for enhanced productivity in various applications. For dependable continuous operation, the inverter uses a liquid cooling system equipped with an internal pump to manage thermal loads. The integrated pump ensures a consistent coolant flow, improving thermal control under varying load conditions.
The RD43.1-4R-185-R-NN-FW inverter operates on a three-phase AC supply voltage range of 380 to 480 volts. This provides the necessary electrical input to power the inverter’s internal circuits for stable operation. The inverter delivers a rated 185 kW of output power, efficiently supporting high-demand industrial applications that involve large mechanical loads. This power rating allows the inverter to serve as a core driver in systems requiring high continuous output. This module operates with a pulse frequency of 4.2kHz, ensuring smooth motor operation and manageable heat dissipation within the drive. With this frequency the inverter helps to minimize torque ripple and audible noise while maintaining energy efficiency and reducing electromagnetic interference.
The RD43.1-4R-185-R-NN-FW delivers a rated line current of 250A during normal operation. It is capable of delivering a peak current of 353 A for up to 60 seconds, allowing it to support temporary overload conditions without interruption. This short-term current boost is essential for handling high starting torques or sudden load spikes that exceed the inverter’s continuous current rating.
Frequently Asked Questions about RD43.1-4R-185-R-NN-FW:
Q: What is the rated output power of the RD43.1-4R-185-R-NN-FW?
A: The RD43.1-4R-185-R-NN-FW delivers a rated output of 185 kW, allowing it to power large industrial motors with sustained energy requirements.
Q: What cooling method does the RD43.1-4R-185-R-NN-FW use?
A: The RD43.1-4R-185-R-NN-FW uses liquid cooling with an internal pump, enabling efficient heat dissipation without external circulation systems.
Q: What is the pulse frequency of the RD43.1-4R-185-R-NN-FW?
A: The RD43.1-4R-185-R-NN-FW operates at a pulse frequency of 4.2 kHz. This switching rate provides smooth motor control and reduces electrical noise while maintaining energy efficiency.
Q: What supply voltage is supported by the RD43.1-4R-185-R-NN-FW?
A: The RD43.1-4R-185-R-NN-FW supports a three-phase supply voltage of 380–480 V. This range ensures compatibility with standard industrial power systems across various regions.
Q: What is the rated line current of the RD43.1-4R-185-R-NN-FW?
A: The RD43.1-4R-185-R-NN-FW is rated for a continuous line current of 250 A. This enables it to handle demanding loads without triggering overcurrent protection.
