R911372256 (MSK071C-0450-NN-M1-UP0-NSNN)

MSK IndraDyn S Synchronous Motors

MSK071C-0450-NN-M1-UP0-NSNN Series Image

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The Bosch Rexroth synchronous servomotor R911372256 (MSK071C-0450-NN-M1-UP0-NSNN) is designed for precision applications demanding high torque density and dynamic performance. It integrates a multiturn absolute Hiperface optical encoder with ±80 angular seconds accuracy and an encoder resolution of 128 signal periods over 4,096 mechanical rotations. The motor features a C-length, 071 frame size, a shaft with keyway, and a winding code of 0450. Electrical specifications include a continuous standstill current of 10.4 A, a continuous standstill torque of 14.0 Nm, a maximum current of 40.1 A, and a peak torque of 44.0 Nm. The shaft uses radial shaft sealing rings compliant with DIN 3760. It supports two rotatable connectors (power and encoder, 240°). Cooling is achieved through natural convection and heat conduction. The design supports both standard and explosion protection per DIN EN 60079. The motor is certified to IP65 for dust and water-jet resistance and is rated for operation at 0–40°C, up to 95% humidity, and installation altitudes up to 1000 m above sea level.