MSK040B-0450-NN-S2-UP0-NNNN Bosch Rexroth Indramat
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MPN: R911336495
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The Bosch Rexroth Indramat MSK040B-0450-NN-S2-UP0-NNNN is part of the MSK IndraDyn S Synchronous Motors series. It features natural convection cooling and a shaft with keyway, and has an IP65 protection rating. The motor uses EnDat2.1 optical encoder technology with a resolution of 2048 signal periods and operates within a temperature range of 0 to 40°C.
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Product Description:
The MSK040B-0450-NN-S2-UP0-NNNN is a synchronous servo motor manufactured by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. It delivers closed-loop torque and speed for industrial positioning axes, making it suitable for packaging lines, pick-and-place modules, and similar automation roles where compact electromechanical drive units are required. When paired with a compatible controller, the motor supports accurate motion response during start, stop, and position correction under changing load conditions. Mechanical proportions follow motor size 040 and length code B, giving the unit a short body that fits narrow machine frames.
The motor uses winding code 0450, which corresponds to coil resistance and inductance values matched to IndraDrive controllers. Heat is removed through natural convection, so no external fan or liquid circuit is required and installation should leave airflow space around the housing. The housing is sealed to IP65, which helps keep out dust and protects against low-pressure water jets when the connectors are properly installed. The shaft uses a steel journal with a keyway to transmit torque without slip to coupled machine elements. Because the unit is supplied without a holding brake, static load retention must be provided by the drive or by external mechanical hardware.
The optical encoder provides 2048 signal periods per revolution and communicates through the bidirectional EnDat2.1 interface, giving the controller high-resolution position data. A rotatable 240° connector allows the feedback cable to exit in the preferred direction, which can simplify routing in crowded machine spaces. This arrangement supports precise commutation and stable feedback during low-speed operation. Single-turn measurement is used, so the motor reports position within one mechanical revolution. Continuous operation is permitted at ambient temperatures from 0–40 °C. The windings use insulation class 155, allowing the insulation system to tolerate elevated internal temperatures during cyclic duty.
Frequently Asked Questions about MSK040B-0450-NN-S2-UP0-NNNN:
Q: How is the MSK040B-0450-NN-S2-UP0-NNNN servo motor cooled?
A: This model is equipped with natural convection cooling and does not require external cooling fans.
Q: What is the encoder connector design on the MSK040B-0450-NN-S2-UP0-NNNN?
A: The MSK040B-0450-NN-S2-UP0-NNNN has a rotatable encoder connector with a 240° range for flexible installation.
Q: What type of encoder feedback does the MSK040B-0450-NN-S2-UP0-NNNN provide?
A: This servo motor uses an EnDat2.1 interface with optical singleturn technology for encoder feedback.
Q: What type of shaft does the MSK040B-0450-NN-S2-UP0-NNNN feature?
A: The shaft is designed with a keyway, providing compatibility with keyed coupling devices.
Q: Does the MSK040B-0450-NN-S2-UP0-NNNN servo motor include a holding brake?
A: The MSK040B-0450-NN-S2-UP0-NNNN is built without a holding brake.
