MSK103A-0300-NN-M1-UG1-NNNN

MPN: R911324343

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The MSK103A-0300-NN-M1-UG1-NNNN synchronous servomotor features a frame size of 103, continuous torque at standstill of 19.0 Nm, a maximum torque of 44.0 Nm, and operates at a rated current of 15.5 amps. From the MSK IndraDyn S Synchronous Motors series by Bosch Rexroth Indramat, it includes natural convection cooling.

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Product Description:

The MSK series servo motor MSK103A-0300-NN-M1-UG1-NNNN from Bosch Rexroth has an integrated 33 Nm holding brake. Its brake requires 24 VDC source to operate and possess a moment of inertia equal to 0.0010600 kgxm^2. This motor uses natural convection method to self-cool and maintain favorable temperature, though an optional fan can be used in case of prolonged operations.

The MSK103A-0300-NN-M1-UG1-NNNN motor is presented with 240-degree rotatable connector for connecting to the power line for flexibility and safety. It delivers a maximum torque of 51.0 Nm while a continuous standstill torque is 21 Nm at 60 K and 24 Nm at 100 K temperature. The maximum speed of the motor is 4800 rounds/min and it utilizes 40 A of peak current. The MSK103A motor has an in-built encoder system with 128 signal period to control speed and position accurately. This encoder is multi-turn in design and provides a system accuracy of ~120' while operates on 7 to 12 V supply and it possess a peak speed of 9000 rounds/min. The MSK103A motor's winding impedance is 0. 59 Ohm and its inductance measures 12. 8 mH to effectively use energy and provide optimum performance. This motor has an inertia value of 0.00442 kgxm^2 for rapid responsiveness and its winding has a maximum current toleration of 40.0 A.

The MSK103A-0300-NN-M1-UG1-NNNN motor reasonably manages the release of heat with a thermal time constant of 25.0 minutes and it works in a temperature range of 0 to 40 degrees C. The thermal classification of T.CL allows the motor to bear up to 155 degrees C body temperature. The MSK103A motor is only 18 kg in weight and offers an IP65 protection rating to become dust and water proof.

Continuous Torque (at Standstill)
19.0 Nm
Cooling Method
Natural convection
Encoder System
128 signal periods (multi-turn)
Encoder System Accuracy
~120 arcseconds
Feedback
IndraDyn singleturn Hiperface
Frame Size
103
Maximum Torque
44.0 Nm
Motor Length
A
Motor Type
Synchronous Servomotor
Rated Current
15.5 A
Rated Power
5.97 kW
Rated Speed
3000 rpm
Rated Voltage
386 V
Thermal Class
T.CL (up to 155 degrees C body temperature)
Winding Code
0300
  • MSK103A0300NNM1UG1NNNN
  • MSK103A 0300 NN M1 UG1 NNNN
  • MSK-103A-0300-NN-M1-UG1-NNNN

Frequently Asked Questions about MSK103A-0300-NN-M1-UG1-NNNN:

Q: How does the 240-degree rotatable connector improve installation?

A: The 240-degree rotatable connector allows flexible cable routing, reducing mechanical stress and improving safety during installation in tight or complex environments.

Q: Why is a thermal time constant of 25 minutes important for the MSK103A-0300-NN-M1-UG1-NNNN?

A: A 25-minute thermal time constant helps the motor dissipate heat gradually, preventing sudden temperature spikes and ensuring stable performance under varying loads.

Q: How does the integrated holding brake benefit the MSK103A-0300-NN-M1-UG1-NNNN motor's operation?

A: The 33 Nm holding brake secures the motor shaft when power is off, preventing unintended movement and enhancing safety in vertical or inclined applications.

Q: What advantages does the natural convection cooling method provide for the MSK103A motor?

A: Natural convection cooling eliminates the need for additional cooling devices, reducing maintenance and noise, while the optional fan ensures extra cooling during prolonged use.

Q: How does the motor's inertia of 0.00442 kg*m^2 affect its responsiveness?

A: Lower inertia enables faster acceleration and deceleration, making the motor highly responsive for applications requiring quick changes in speed or position.


Internal Product Review

  • ‘‘The MSK103A-0300-NN-M1-UG1-NNNN is a high-performance servo motor designed for precise industrial applications. It features a 128-period multi-turn encoder and a robust 33 Nm integrated holding brake to balance speed and torque effectively. This motor is widely used in robotics, CNC machinery and automation systems for reliable control.’’

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