MRS382D-2N-0230-NNNN
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The MRS382D-2N-0230-NNNN rotor is designed for Rexroth's high-speed frameless kit motors reaching maximum torques of up to 4,500 Nm. Belonging to the MRS Synchronous IndraDyn H rotor series by Bosch Rexroth Indramat, it operates at a wide temperature range.
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Product Description:
Power and precision are the words that accurately describe Rexroth Bosch’s IndraDyn H rotors. With a modular design similar to the IndraDyn T synchronous series, IndraDyn H products are composed of a family of well-designed MRS rotors and MSS stators for the most demanding applications. The MRS382D-2N-0230-NNNN is a specific subproduct of the IndraDyn T synchronous family, featuring a 2N-type of construction. Unlike 1N MRS rotors, 2N MRS rotors like the MRS382D-2N-0230-NNNN use an advanced step interference fit for locking the rotor to the shaft. This type of construction maximizes torque transmission but poses challenges in disassembly.
The MRS382D-2N-0230-NNNN is one of the largest rotors under the MRS product line. With a weight of 97.2 kilograms, this rotor is designed to withstand high radial forces even during continuous modes of operation. When paired with an MSS382D stator, this unit achieves a nameplate speed of 200 rpm. At this shaft speed, the rotor can transmit a power and torque of 37.2 kW and 1,775 Nm. For AC motors, the rotor torque and speed are inversely proportional. Rotors with high torque capabilities are usually limited to low driving speeds as a tradeoff. Consequently, smaller rotors that are capable of driving at high speeds can only transmit limited torque output. Before choosing an IndraDyn H rotor and stator, it is recommended to consider the type of application and system.
As a massive rotor, the MRS382D-2N-0230-NNNN requires higher force to accelerate. Particularly, the unit’s moment of inertia is 2.108 kg(m^2), considering its 2N construction class. Without a rotor frame or chassis, this unit has the lowest protection category, IP 64. This product is available with a 1-year warranty when purchased from Wake Industrial.
Frequently Asked Questions about MRS382D-2N-0230-NNNN:
Q: What is the internal rotor radius of the MRS382D-2N-0230-NNNN?
A: The MRS382D-2N-0230-NNNN has an internal rotor radius of 115 millimeters.
Q: What should be the DC bus voltage for the MRS382D-2N-0230-NNNN?
A: To achieve the rated speed, the DC bus voltage for the MRS382D-2N-0230-NNNN must be at least 540 VDC.
Q: What should be the DC bus voltage for the MRS382D-2N-0230-NNNN to achieve peak speed?
A: To achieve peak speed conditions, the MRS382D-2N-0230-NNNN must have a DC bus voltage of 750 V.
Q: What is the peak speed of the MRS382D-2N-0230-NNNN?
A: The MRS382D-2N-0230-NNNN can achieve a peak synchronous speed of 800 rpm.
Q: What is the peak torque of the MRS382D-2N-0230-NNNN?
A: At optimal operating conditions, the MRS382D-2N-0230-NNNN can safely transmit a maximum torque of 3,700 Nm.
