R911332295 (MSK071C-0450-NN-M2-UP0-RNNN)

MSK IndraDyn S Synchronous Motors

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The R911332295 (MSK071C-0450-NN-M2-UP0-RNNN) is an IndraDyn S Synchronous Servomotor designed by Rexroth Indramat. This motor features a brushless construction with a compact housing, generating a continuous torque of 14.0 Nm at a standstill (100 K) with a current of 10.4 A. Maximum torque output is 44.0 Nm at a maximum current of 40.1 A, with peak rotational speed reaching 5800 RPM. The shaft employs a keyway and motor length is specified as size C with motor size 071. Position feedback is facilitated by a multiturn absolute optical encoder (EnDat2.1 interface), supporting 2048 signal periods, and the encoder connector is rotatable by 240°. The design excludes a holding brake and prioritizes increased concentricity. The system uses natural convection for cooling, features a winding inductivity of 6.7 mH, a torque constant of 1.49 Nm/A, voltage constant of 91.3 V/min at 20°C, and a discharge capacity of 4.2 nF. The unit weighs 13.9 kg with a thermal time constant of approximately 15 minutes.

Technical Specifications

Motor Type
Industrial Brushless Motor

Peak Speed
5800 revolutions per minute

Pole Pairs
4

Total Weight
13.9 kilograms

Discharge Capacity
4.2 nanofarads

Winding Inductivity
6.7 microhenry

Thermal Time Constant
15 minutes.

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The IndraDyn S series servomotor MSK071C-0450-NN-M2-UP0-RNNN from Indramat possess nearly 6.7 mH of winding inductance and delivers 14 Nm stall torque along with 44 Nm of peak torque. It depends on natural-convection and includes an EnDat 2.1 multiturn encoder through a rotatable 240° connectors for speed commissioning. This unit is accompanied by a balance shaft of keyway design for easy coupling with system in machine tools and pick-and-place robotics.