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R911333925 (MSK075C-0300-NN-S2-UG1-RNNN)

MSK IndraDyn S Synchronous Motors

MSK075C-0300-NN-S2-UG1-RNNN Series Image

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The Bosch Rexroth R911333925 (MSK075C-0300-NN-S2-UG1-RNNN) is a synchronous servomotor from the IndraDyn S series, characterized by an integrated temperature sensor and an absolute single-turn optical EnDat2.1 encoder with a resolution of 2048 signal periods. It utilizes a plain output shaft with increased concentricity and features a high-quality sealing ring, supporting an IP65-painted housing and insulation class 155. The model employs natural convection cooling and has a continuous torque at standstill of 12.5 Nm and a continuous current of 8.8 A at 100 K. Maximum torque is rated at 44.0 Nm with a peak current of 37.8 A. The holding brake delivers a torque of 23 Nm and is electrically released. Motor mass is 14.8 kg, moment of inertia is 0.0035 kgm², winding inductivity is 8,800 mH, and the thermal time constant is 29 minutes. Operational ambient temperature range is 0 to +40°C, with storage conditions between -20 and +80°C.

Technical Specifications

Inner Temperature Sensor
Yes

Encoder Type
Absolute single-turn EnDat2.1

Installation and Maintenance Temperature Range
-20 to +80 degrees Celsius

Holding Brake Torque
23 Nm

Holding Brake Connection Time
130 ms

Holding Brake Disconnection Time
180 ms

Continuous Torque
18 Nm

Continuous Current
12.6 A

Weight
14.8 kilograms

Inertia Moment
0.0035 kgm2

Cooling Type
Surface

Thermal Time Constant
29 minutes

Output Shaft Type
Plain Simple

Continuous Torque at 100 K
12.5 Nm

Continuous Torque at 60 K
12 Nm

Protection Standard
IP 65

Insulation Rating
155

Operating Temperature
0 to +40 degrees Celsius

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1620 Old Apex Road
Cary, NC 27513, USA

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1620 Old Apex Road
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