R911321178 (MSK040C-0600-NN-M1-UG0-NSNN)

MSK IndraDyn S Synchronous Motors

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The R911321178 (MSK040C-0600-NN-M1-UG0-NSNN) is a Bosch Rexroth IndraDyn S Synchronous Servomotor featuring natural convection cooling and a plain shaft. It operates at a maximum current of 12.4 A, with a maximum torque output of 8.1 Nm. Continuous torque values are 2.7 Nm at 60K standstill and 3.1 Nm at 100K standstill, with a continuous standstill current of 4.7 A at 100K. The motor includes an optical multiturn absolute encoder with Hiperface interface, rotatable connector (240°), 128 signal periods, and no holding brake. Additional specifications: winding inductivity of 21,300 mH, rotor inertia of 0.00014 kg·m², 4 pole pairs, insulation class EN 60034-1 F, IP65 protection, thermal time constant of 16 minutes, leakage capacitance of 2.0 nF, and sound pressure below 75 dB[A]. It supports operation within 0 to 40°C and is designed for both standard and explosion protection use.

Technical Specifications

Cooling Method
Natural Cooling

Continuous Torque at 60K (Standstill)
2.7 Nm

Continuous Current at 60K (Standstill)
3.1A

Continuous Torque at 100K (Standstill)
3.1Nm

Maximum Current
12.4A

Maximum Torque
8.1Nm

Constant Voltage
58.2 V/min-1 at 20°C

Torque Constant
0.95Nm/A at 20°C

Winding Resistance
3.90 Ohms at 20°C

Winding Inductivity
21.300Mh

Leakage Capacitance
2.0Nf

Pole Pairs
4

Moment of Inertia
0.00014 kg*m2

Thermal Time Constant
16 Minutes

Maximum Speed
7500 min-1

Sound Pressure Level
Less than 75dB[A]

Operating Temperature
0 to 40 °C

Insulation Class
F according to EN 60034-1

Degree of Protection
IP65.

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Internal Product Review

The MSK040C-0600-NN-M1-UG0-NSNN synchronous servo motor from Bosch Rexroth Indramat features a plain shaft, providing 3.1 Nm continuous torque at 4.7 A and 8.1 Nm peak torque. This motor’s 21,300 mH winding inductivity provides effective torque transmission. This motor is commonly applied in CNC machining, robotics automation, and packaging machinery.