MRS182F-2N-0075-M241 Bosch Rexroth Indramat
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MPN: R911341449
The Bosch Rexroth Indramat MRS182F-2N-0075-M241 is part of the MRS Synchronous IndraDyn H Motors series and features a rated power of 41.9 kW with a rated current of 71 Amps. It has a rated torque of 200 Nm, a maximum torque of 450 Nm, and uses a step interference fit mounting style. The motor supports a maximum current of 200 Amps and provides protection rated at IP00.
Internal Product Review
The MRS182F-2N-0075-M241 is a Bosch Rexroth Indramat synchronous motor with 41.9 kW rated power and 200 Nm rated torque. From a drive engineering standpoint, the 2000 rpm rated speed and 450 Nm maximum torque make this unit an excellent fit for demanding high-dynamic applications.
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Product Description:
The MRS182F-2N-0075-M241 is a frameless synchronous motor built by Bosch Rexroth Indramat for the MRS Synchronous IndraDyn H Motors series. It is supplied as a rotor-stator kit rather than a housed unit. The motor integrates directly into machine structures that require compact, high-torque rotary motion for industrial automation.
Under continuous load, the motor converts electrical input into a mechanical output of 41.9 kW while maintaining a rated shaft speed of 2000 rpm. At this operating point, the electromagnetic design delivers a continuous torque of 200 Nm through four pole pairs. The back EMF at nominal velocity corresponds to a voltage constant of 160 V/1000 rpm, which sets the DC-bus level needed for the drive to reach rated speed. Current-to-torque proportionality follows a constant of 2.82 Nm/A, and the listed performance requires a rated phase current of 71 A. Copper losses during operation are influenced by a winding resistance of 0.21 Ω. The d-axis inductance is 1.1 mH, which affects the current ripple controlled by the inverter. The rotor has a 75 mm internal diameter and attaches to the shaft or hub with a stepped interference fit. The stator has an IP00 protection rating and must be installed inside a protective housing.
Short-term overload operation raises the available torque to 450 Nm and draws up to 200 A from the converter before thermal limits are reached. During rapid acceleration or deceleration, the rotating mass has a rotor inertia of 0.059 kg·m², which affects the system’s dynamic response. The drive electronics must accommodate the peak current, and the selected mechanical couplings must transmit the maximum torque without slipping. Structural supports must also withstand the resulting peak forces without exceeding permissible deflection. Adequate heat removal is required because the frameless design depends on the surrounding machine structure for protection and thermal management.
