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R911328959 (MSK103B-0302-NN-S1-UG1-NNNN)

MSK IndraDyn S Synchronous Motors

MSK103B-0302-NN-S1-UG1-NNNN Series Image

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The Bosch Rexroth MPN R911328959 (MSK103B-0302-NN-S1-UG1-NNNN) is an IndraDyn S synchronous servomotor with natural convection cooling and a standard design. It features a plain shaft, four pole pairs, and weighs approximately 22.5 kg. The motor provides a continuous torque at standstill of 28 Nm at 60K, and 31 Nm at 100K, with corresponding continuous currents of 17 A and 19 A. Maximum torque is 85 Nm and maximum current is 63 A. The optical Hiperface singleturn encoder offers 128 signal periods and a rotatable (240°) connector. The holding brake is electrically released with a holding torque of 33 Nm. Its class 155 insulation supports operation in environments up to 40°C, and the unit meets IP65 protection for resistance to dust, noncorrosive material contact, and water jets. The motor achieves speeds up to 4700 rpm, has low inertia construction for fast acceleration, and emits less than 75 dB(A) sound pressure level. Winding inductivity is specified at 8,000 mH.

Technical Specifications

Motor Type
Synchronous Motor

Functions
Industrial Drive Control Systems

Temperature Range
60K-100K

Continuous Torque at 60K
28 Nm

Continuous Current at 60K
17 A

Continuous Torque at 100K
31 Nm

Continuous Current at 100K
19 A

Insulation Material
Class 155

Sound Pressure Level
Less than 75 db(A)

Pole Pairs
4

Weight
22.5 kg

Surrounding Air Temperature
0°C - 40°C

Protection Level
IP 65

Maximum Speed
4700 rpm

Rotor Type
Low Inertia Roto

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1620 Old Apex Road
Cary, NC 27513, USA

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