MSK050B-0450-NN-S2-UP1-RNNN Bosch Rexroth Indramat
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MPN: R911373654
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The Bosch Rexroth Indramat MSK050B-0450-NN-S2-UP1-RNNN is part of the MSK IndraDyn S Synchronous Motors series and features natural convection cooling with an increased concentricity design. This synchronous servomotor has a rotatable 240-degree encoder connector with EnDat2.1 interface and an optical singleturn encoder. It offers IP65 protection, includes a 6 Nm electrically released holding brake, and operates in ambient temperatures from 0 to 40°C.
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Product Description:
The MSK050B-0450-NN-S2-UP1-RNNN is an IndraDyn S synchronous servomotor built by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. It functions as a rotary actuator that supplies controlled torque and position feedback to drive controllers used in packaging, handling, and multi-axis automation lines. By converting electrical energy into precise mechanical motion, the unit supports accurate positioning and repeatable axis movement in industrial production cells.
Thermal management is handled by natural convection, so no fan or liquid loop is built into the frame and heat dissipates across the external surface. The feedback connector is rotatable through 240°, which eases cable routing when the motor is installed close to cabinet walls. Position and diagnostic signals travel over EnDat2.1, allowing digital closed-loop communication with compatible drive controllers. The optical sensor provides 2048 signal periods per revolution, giving the drive a high-resolution feedback source for fine motion control. To secure loads during power loss, an integrated spring brake provides 6 Nm of static holding torque and is released electrically when the axis is energized.
The mechanical envelope follows size 050 with length code B, and the shaft is machined with a keyway for conventional torque transmission. A die-cast housing sealed to IP65 helps keep dust and low-pressure water jets away from the stator laminations. Continuous operation is permitted at ambient temperatures from 0 to 40 °C, allowing installation in most production halls without added enclosure conditioning. Insulation class 155 supports elevated winding temperatures, and thermal sensors embedded in the windings inform the drive when temperature limits are approached. Electrical characteristics are set by winding code 0450, giving the controller predictable voltage, current, and back-EMF behavior suited to medium-torque, medium-speed axes. The rotor’s improved concentricity reduces runout, which helps limit vibration and supports coupling life during high-cycle positioning tasks.
Frequently Asked Questions about MSK050B-0450-NN-S2-UP1-RNNN:
Q: How is the MSK050B-0450-NN-S2-UP1-RNNN motor cooled?
A: This motor utilizes natural convection cooling and does not require external fans or forced-air systems.
Q: Does the MSK050B-0450-NN-S2-UP1-RNNN motor come with a holding brake?
A: The MSK050B-0450-NN-S2-UP1-RNNN includes a holding brake with an electrically-released mechanism providing 6 Nm of torque.
Q: What type and resolution of encoder does the MSK050B-0450-NN-S2-UP1-RNNN motor use?
A: The encoder on this model is singleturn optical, with EnDat2.1 interface and a resolution of 2048 signal periods.
Q: What is the protection rating of the MSK050B-0450-NN-S2-UP1-RNNN motor?
A: This motor is built with a protection rating of IP65, offering solid protection from dust ingress and water jets.
Q: What kind of shaft configuration is present on the MSK050B-0450-NN-S2-UP1-RNNN servomotor?
A: The shaft type of this motor features a keyway configuration, ensuring secure and torque-resistant coupling.
