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R911310723 (MSK071E-0300-NN-S1-UG1-NNNN)

MSK IndraDyn S Synchronous Motors

MSK071E-0300-NN-S1-UG1-NNNN Series Image

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The R911310723 (MSK071E-0300-NN-S1-UG1-NNNN) is a synchronous servomotor from the Bosch Rexroth MSK series, engineered for high torque density applications. It features natural convection cooling, a standard design, and integrates an optically-based singleturn encoder with Hiperface interface, 128 signal periods of resolution, and system accuracy within ±80 angular seconds. The stator houses a KTY84 thermal sensor for temperature monitoring. This model delivers up to 84.0 Nm maximum torque, 28.0 Nm continuous torque at standstill (100 K), operates at a maximum speed of 4,200 rpm, and a maximum current of 56.3 A. The unit includes a 23 Nm electrically-released holding brake, a plain output shaft with DIN 3760 – design A sealing, and an IP65 housing rating. Additional parameters include a winding inductivity of 5,900 mH, a moment of inertia of 0.00290 kgm², and four pole pairs. The encoder connector is rotatable 240°. Motor designation corresponds to length E and size 071, winding code 0300.

Technical Specifications

Application
Rotary main or servo drive motor

Maximum speed
4200 revolutions per minute

Maximum torque
84.0Nm

Sealed housing rating
IP 65 per EN 60529

Encoder type
Optical single-turn with Hiperface interface

Encoder accuracy
±80 angular seconds

Thermal sensor
KTY84 type built into stator windings

Moment of inertia (Rotor)
0.00290 kgm2

Number of Pole Pairs
4

Shaft Type
Plain with a shaft sealing ring

Shaft connection
Non-positive with zero backlash

Sealing ring design
DIN 3760 - design A

Holding brake type
Electrically released

Holding brake torque
23Nm.

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1620 Old Apex Road
Cary, NC 27513, USA

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1620 Old Apex Road
Cary, NC 27513
USA

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