R911290956 (MHD093C-058-NP1-AA)

MHD Synchronous Motors

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The R911290956 (MHD093C-058-NP1-AA) is a Rexroth MHD093C digital servo motor configured with winding code 058, motor size 093, and motor length C. It features a keyed shaft per DIN6885-1 with shaft sealing and is equipped with a holding brake rated at 22 Nm. The servo feedback encoder provides digital signals for position detection and is configured for relative feedback. Continuous torque at standstill is 23 Nm. The device supports natural convection or surface cooling, operates with a peak current of 127.4 A, and achieves a nominal speed of 4000 min⁻¹ and a maximum speed of 6000 min⁻¹. It has a winding resistance of 0.32 Ω, a winding inductivity of 2.6 mH, four pole pairs, and a rotor moment of inertia of 3.0 x 10⁻⁴ kg·m². The centering diameter is 130 mm, flange size is 140/150 mm, and power connection is provided on side A with an output connector. The motor is IP65 rated, uses insulation class F, and is built for operations up to 1000 m above MSL in environments ranging from 0 to 40°C. The mass is 23.5 kg and the theoretical maximum torque is 88 Nm.