R911321550 (MSK071D-0450-NN-S1-UP1-NNNN)

MSK IndraDyn S Synchronous Motors

MSK071D-0450-NN-S1-UP1-NNNN Series Image

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The R911321550 (MSK071D-0450-NN-S1-UP1-NNNN) is a synchronous servomotor from the Bosch Rexroth IndraDyn S MSK series designed for applications requiring high precision and reliability. This model features frame size 071 and length D, natural convection cooling, and a shaft with keyway. It incorporates a KTY84 thermal sensor for overload monitoring, and a rotatable 240° Hiperface single-turn optical encoder with 128 signal periods and system accuracy of ±80 angular seconds. The housing is finished with an epoxy resin coating for chemical resistance and rated IP65 to EN 60529 for dust and water protection. Technical specifications include maximum speed of 6,000 RPM, maximum torque of 66.0 Nm, continuous torque at standstill of 20.0 Nm (100 K), winding inductivity of 3,200 mH, holding brake torque of 23 Nm, maximum current of 69.3 A, and continuous current at standstill of 17.6 A (100 K). The integrated, electrically-released holding brake is designed to prevent unintentional movement, and the bearing system is rated for a nominal lifetime of 30,000 operating hours.