MSK103D-0302-NN-M2-UG0-RNNN Bosch Rexroth Indramat
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MPN: R911325850
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The Bosch Rexroth Indramat MSK103D-0302-NN-M2-UG0-RNNN is a synchronous servomotor from the MSK IndraDyn S Synchronous Motors series. It features a natural convection cooling system, increased concentricity design, and provides IP65 protection. The motor uses an optical multiturn absolute encoder with EnDat2.1 interface and has a plain shaft without a holding brake.
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Product Description:
The MSK103D-0302-NN-M2-UG0-RNNN is a synchronous servomotor manufactured by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. It is intended for closed-loop positioning and velocity tasks on packaging machines, pick-and-place gantries, and other electrically coordinated axes used in industrial automation. By combining a multi-turn absolute encoder with precisely matched stator windings, the motor converts drive commands into accurate torque for repeatable motion during frequent starts, stops, and speed changes. It is well suited to applications where the drive must respond quickly to command changes without losing position accuracy.
It relies on natural convection for heat removal, so airflow around the housing must remain unobstructed. An integrated optical encoder communicates through the EnDat2.1 interface and resolves motion into 2048 signal periods per mechanical revolution, enabling fine position interpolation in the drive controller. The housing has an IP65 rating, which keeps dust and water jets from affecting internal components. Continuous duty is permitted for ambient temperatures from 0–40 °C. The rotor-stator assembly uses an increased concentricity design, and the frame corresponds to motor size 103 with length code D. This arrangement helps support smooth running and stable feedback performance during dynamic motion.
For mechanical coupling, the output end is a plain shaft that accepts keyed or clamp connections without intermediate adapters. The unit is supplied without a holding brake, so static loads must be kept in place by external locking devices or by motor torque while power is applied. A rotatable feedback connector set at 240° lets the cable exit in a direction that reduces bend stress during installation and helps when space around the motor is limited. The motor uses class 155 insulation, which supports elevated winding temperatures during short overloads. This layout keeps the shaft interface straightforward and makes cable routing easier on compact machine frames.
Frequently Asked Questions about MSK103D-0302-NN-M2-UG0-RNNN:
Q: What type of cooling is used on the MSK103D-0302-NN-M2-UG0-RNNN motor?
A: This model features natural convection cooling, so it does not require external fans for heat dissipation.
Q: What type of encoder and interface does the MSK103D-0302-NN-M2-UG0-RNNN motor use?
A: The encoder on this motor provides multiturn absolute position feedback using EnDat2.1 interface technology.
Q: Does the MSK103D-0302-NN-M2-UG0-RNNN motor have a holding brake?
A: This motor comes without a holding brake.
Q: What is the protection rating of the MSK103D-0302-NN-M2-UG0-RNNN motor?
A: The protection rating for this motor is IP65, making it resistant to dust and low-pressure water jets.
Q: What kind of shaft does the MSK103D-0302-NN-M2-UG0-RNNN motor feature?
A: The shaft type for this model is a plain shaft, allowing for direct coupling without a keyway.
