MRS162D-2N-0060-NNNN Bosch Rexroth Indramat
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MPN: R911315084
The Bosch Rexroth Indramat MRS162D-2N-0060-NNNN is part of the MRS Synchronous IndraDyn H Motors series and provides a rated power of 29.3 kW with a rated speed of 4000 rpm. It delivers a maximum torque of 160 Nm, uses 4 pole pairs, and features a D-axis inductance of 1.04 mH.
Internal Product Review
The MRS162D-2N-0060-NNNN is a Bosch Rexroth Indramat synchronous motor with 29.3 kW rated power and 70 Nm rated torque. Efficient electromagnetic performance supports demanding motion applications, highlighted by 16500 rpm max speed and 160 Nm max torque.
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Product Description:
Bosch Rexroth Indramat builds the MRS162D-2N-0060-NNNN for the MRS Synchronous IndraDyn H Motors series. This synchronous motor couples directly to IndraDrive controllers to deliver cyclic or continuous torque in industrial automation axes used in packaging, metal forming, and material-removal equipment. Integrated rotor position feedback allows the drive to align stator currents with the magnetic field, so the motor can provide commanded torque at any speed while maintaining a high dynamic response.
The electromagnetic rating includes a 29.3 kW continuous output, achieved when the windings draw 64 A of rated phase current and the shaft turns at 4000 rpm to develop 70 Nm of rated torque. A 1.09 Nm/A torque constant links stator current to mechanical torque, allowing the drive to calculate current demand during load changes. With four pole pairs, the electrical frequency at rated speed remains within common inverter limits. Current dynamics depend on the magnetic circuit: the d-axis inductance is 1.04 mH, and the q-axis inductance is 2.68 mH. These values influence field-oriented control bandwidth. Together with the machine’s flux linkage, the inductive values support the proportional-integral gain settings used by IndraDrive regulators.
During transient demand, the drive can push the windings to a maximum current of 170 A, enabling the rotor to generate 160 Nm for short bursts and accelerate toward a maximum speed of 16500 rpm. The back-EMF relationship is represented by a 90 V/1000 rpm voltage constant, which assists with the proper sizing of DC-bus components for safe regeneration. Copper loss at peak current is limited by a 0.15 Ω phase resistance. The 10.2 kg laminated rotor and its 0.02 kg·m² moment of inertia allow the axis to change speed quickly. A thermal time constant of 3.5 minutes permits frequent overloads without a rapid temperature rise.
