MRT530E-3N-0410-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MRT530E-3N-0410-NNNN is a rotor for a torque motor, belonging to the MRT Synchronous IndraDyn T Motors series. This standard version features a mechanical frame size of 530 with a 410 mm internal rotor diameter and an IP00 protection rating. It supports allowed operational temperatures from 0 to 40 °C, has a maximum coolant input pressure of 6 bar, and is fastened by screws.
Internal Product Review
The MRT530E-3N-0410-NNNN is a Bosch Rexroth torque motor rotor with a 530 frame size and screw fastening. A rotor inertia of 1.92 kg·m² supports stable torque transmission, and IP00 construction fits enclosed machine assemblies well. The standard version remains a strong choice for precise performance in demanding direct-drive systems.
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Product Description:
Bosch Rexroth Indramat supplies the MRT530E-3N-0410-NNNN as a discrete rotor subassembly for the MRT Synchronous IndraDyn T Motors series. The unit is categorized as the rotor of a torque motor from the MBT range and is intended to generate high continuous torque directly at the machine axis when paired with its matched stator. Integrating this rotor eliminates the need for gearboxes and couplings, improving positional accuracy and dynamic response in automated indexing tables, printing presses, and similar motion-control systems.
The designated frame size is 530, which establishes the outer envelope for the lamination stack and magnet carrier. Within this frame, the rotor has an internal diameter of 410 mm, leaving clearance for cables, pneumatic lines, or a machine shaft passing through its center. Rotational behavior is influenced by an inertia of 1.92 kg·m², balancing torque capacity with acceleration demands. During assembly, the component is secured to the drive shaft with screws, providing concentric clamping without requiring additional hubs. The rotor has an IP00 protection rating, so it does not provide protection against contact, foreign objects, or water. The completed motor assembly must therefore be installed within an enclosure that provides the necessary protection for its operating environment.
The rotor can operate in ambient temperatures from 0 to +40 °C. The associated cooling circuit must supply liquid at a temperature from +5 to +40 °C to remove stator losses and keep the magnets within their permitted temperature range. The circuit can operate at pressures up to 6 bar, allowing coolant to flow through the internal jacket without exceeding the permitted pressure. Long-term storage is allowed at temperatures from -25 to +55 °C. During transportation, the permitted temperature range extends from -25 to +70 °C when the unit is properly crated. The standard version is supplied balanced for installation within the MRT motor platform.
