R911253081 (MDD090C-N-020-N2M-130GB1)

MDD Synchronous Motors

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The R911253081 (MDD090C-N-020-N2M-130GB1) is a MDD Digital AC Servo Motor developed for integration with digital drive controllers in rapid-response automation systems. This motor utilizes electronic commutation and permanent magnet excitation, and features a plain shaft with a non-positive shaft-hub connection. It incorporates a blocking brake rated at 6.5 Nm holding torque, with a brushless, maintenance-free design and lifetime-lubricated bearings. The motor housing provides an IP65 protection rating and is finished with a coating resistant to weather, acids, and lyes. The integrated multiturn absolute encoder delivers digital servo feedback for indirect position detection. Additional technical details include a centering diameter of 130 mm, standard balancing, a continuous standstill torque of 10.4 Nm, a nominal speed of 2000 min⁻¹, and optimal operation at ambient temperatures up to 40°C and relative humidity up to 95%, at installation heights up to 1000 m above sea level. All electrical connections are provided via a connector on side B and the unit is equipped with a shaft seal.