MSK103D-0300-NN-S1-UG2-NNNN Bosch Rexroth Indramat
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MPN: R911322369
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The Bosch Rexroth Indramat MSK103D-0300-NN-S1-UG2-NNNN is an IndraDyn S Synchronous Servomotor from the MSK IndraDyn S Synchronous Motors series. It features a plain shaft, a holding brake with 60 Nm torque, and a rotatable encoder connector. The motor has a protection rating of IP65, uses natural convection cooling, and operates best in temperatures from 0 to 40°C.
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Product Description:
The MSK103D-0300-NN-S1-UG2-NNNN is a synchronous servo motor manufactured by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. It is supplied as a complete drive element for closed-loop positioning and velocity tasks. This gives machine tools, packaging stations, and handling modules a compact source of electromechanical power. Its synchronous design allows a matched drive to regulate torque, speed, and position with consistent repeatability during cyclic motion. It is intended for servo applications where accurate response matters during acceleration, deceleration, and standstill control.
This motor relies on natural convection to carry heat away from its stator, eliminating the need for external blowers or liquid circuits. The housing meets the IP65 rating, so internal components remain sealed against dust and water jets common on factory floors. An electrically released holding brake provides up to 60 Nm of static torque for vertical or indexed axes. Position feedback travels through the Hiperface interface, and its optical encoder delivers 128 signal periods per mechanical revolution, giving the drive controller fine motor position data. The encoder is a single-turn design, and the feedback connector can be rotated through 240°, which helps with cable routing in tight control cabinets. A plain shaft transmits output torque directly to couplings or gearboxes without keyways.
The motor has a length code of D, and the frame measures 103 mm across the flange, allowing it to fit standardized mounting patterns used in the series. Winding code 0300 indicates the electrical resistance and inductance values expected by the matching drive for current regulation. Thermal endurance corresponds to insulation class 155, so the winding can tolerate a continuous internal temperature rise appropriate for 0 to 40 °C ambient operation. The rear-mounted encoder connector helps preserve clearance behind the motor, and the brake supports applications that must hold position when drive power is removed.
Frequently Asked Questions about MSK103D-0300-NN-S1-UG2-NNNN:
Q: What type of holding brake and brake torque does the MSK103D-0300-NN-S1-UG2-NNNN offer?
A: The MSK103D-0300-NN-S1-UG2-NNNN motor is equipped with an electrically-released holding brake that provides 60 Nm of braking torque.
Q: How is the MSK103D-0300-NN-S1-UG2-NNNN motor cooled?
A: This model features natural convection cooling, so no additional cooling devices are required for standard operation.
Q: What type of encoder connector is included on the MSK103D-0300-NN-S1-UG2-NNNN?
A: A rotatable encoder connector with a 240° rotation angle is available on this motor, simplifying cable management during installation.
Q: What is the protection rating of the MSK103D-0300-NN-S1-UG2-NNNN motor?
A: With a protection rating of IP65, the MSK103D-0300-NN-S1-UG2-NNNN is protected against dust and low-pressure water jets.
Q: What encoder technology and resolution does the MSK103D-0300-NN-S1-UG2-NNNN utilize?
A: This motor uses an optical singleturn encoder with Hiperface interface and provides 128 signal periods of resolution.
