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R911321027 (MSK070E-0300-NN-M2-UP1-RNNN)

MSK IndraDyn S Synchronous Motors

MSK070E-0300-NN-M2-UP1-RNNN Series Image

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The Bosch Rexroth MPN R911321027 (MSK070E-0300-NN-M2-UP1-RNNN) is an IndraDyn S synchronous servomotor featuring a shaft with keyway and electrically released holding brake providing 23 Nm holding torque at 24 VDC. It employs a multiturn absolute optical encoder with EnDat 2.1 interface, supporting 2048 signal periods and up to 4096 revolutions, operable at a maximum speed of 12,000 RPM with a DC supply between 7–12 V. The motor's size is 070 with motor length E and incorporates rotatable 240° encoder connectors. Continuous current at standstill (100 K) is 16.7 A, continuous torque 25.0 Nm, maximum current 49.3 A, and maximum torque 65.0 Nm. Winding inductivity is 3,900 mH. Cooling relies on natural convection, and the design ensures increased concentricity. The motor is intended for operation in 5–95% relative humidity, recommended ambient temperatures from 0 to 40°C, with derating between 45–55°C and at altitudes from 1000 to 3000 meters. Power and feedback use separate cabling to the drive controller.

Technical Specifications

Motor Type
Industrial Synchronous Motor

Encoder
Multiturn with EnDat 2.1 interface

Encoder Signal Periods
2048

Encoder Revolutions
4096

Encoder Accuracy
±20 Angular Seconds

Maximum Encoder Speed
12000 RPM

Encoder Current Consumption
50 milliamps

Encoder Supply Voltage
7 to 12 Volts DC

Shaft Type
With Keyway

Brake Type
Holding

Holding Brake Torque
23 Nm

Brake Voltage
24 Volts DC

Brake Current
0.79 Amps

Brake Connect Time
35 milliseconds

Brake Disconnect Time
180 milliseconds

Cooling Method
Natural Convection

Working Temperature Range
0 to 40 degrees Celsius

Output Derating Temperature
45 to 55 degrees Celsius

Installation Altitude
0 to 1000 meters

Output Derating Altitude
1000 to 3000 meters

Lower Limit for Relative Air Humidity
5%

Upper Limit for Relative Air Humidity
95%

Max Temperature Change Rate
0.5 degrees Celsius per minute

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1620 Old Apex Road
Cary, NC 27513, USA

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Cary, NC 27513
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