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R911321760 (MSK103B-0300-NN-S1-UG0-NNNN)

MSK IndraDyn S Synchronous Motors

MSK103B-0300-NN-S1-UG0-NNNN Series Image

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The R911321760 (MSK103B-0300-NN-S1-UG0-NNNN) is a synchronous servomotor from the MSK series engineered by Bosch Rexroth for industrial automation applications. The unit operates within ambient temperatures of 0 to 40°C and features an IP65 matte black enclosure. It delivers a rated torque of 28 Nm, maximum torque of 85 Nm, rated current of 17 A, and maximum current of 63 A. The motor supports a maximum speed of 4700 RPM and operates at a thermal class of 155. Key technical specifications include a winding inductance of 8 mH, winding resistance of 0.36 Ohms (at 20°C), and a voltage constant of 108 V/1000 RPM. Equipped with a single-turn optical encoder (Hiperface interface, 128 signal periods resolution) and a plain shaft, the motor utilizes natural convection cooling and produces sound pressure below 75 dB. The design does not incorporate a holding brake, and the encoder connector offers 240° of rotation.

Technical Specifications

Motor Type
Servo Motor

Motor Family
MSK

Maximum Speed
4700 RPM

Motor Weight
22.5 Kg

Color
Matte Black

Protection Rating
IP65

Ambient Temperature
0 to 40 degrees Celsius

Sound Pressure
Less than 75 dB

Thermal Class
155

Thermal Time Constant
27 minutes

Winding Inductance
8 millihenry

Winding Resistance
0.36 Ohms at 20 degrees Celsius

Voltage Constant
108 Volts/1000 RPM at 20 degrees Celsius

Torque Constant
1.76 Nm/Amps at 20 degrees Celsius

Rated Torque
28 Nm

Maximum Torque
85 Nm

Rated Current
17 Amps

Maximum Current
63 Amps

Cooling Method
Natural Convection

Feedback Device
Singleturn Optical Encoder with 128 Signal Periods

Motor Shaft
Plain with Sealing Ring

Holding Brake
None

Connectors
240-degree Rotatable

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

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