MSM031C-R300-NN-M5-MH1 Bosch Rexroth Indramat
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MPN: R911344259
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The Bosch Rexroth Indramat MSM031C-R300-NN-M5-MH1 is a synchronous motor in the MSM IndraDyn S Synchronous Motors series with a plain shaft and motor size 031. It features natural convection cooling and an electrical release holding brake with a torque of 1.27 Nm. The motor provides a continuous torque at standstill of 1.30 Nm and has a motor length designated as C.
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Product Description:
The MSM031C-R300-NN-M5-MH1 synchronous motor is built by Bosch Rexroth Indramat for the MSM IndraDyn S Synchronous Motors series. This compact rotary unit supplies controlled torque and speed to small conveyors, pick-and-place heads, and indexing tables in industrial automation. Its permanent-magnet design supports closed-loop motion control with compatible IndraDrive servo amplifiers, and its compact footprint suits miniature machinery with limited installation space. The motor is intended for compact axes that require repeatable positioning and stable speed control in a small package.
At standstill, the rotor can deliver a continuous torque of 1.30 Nm, allowing precise holding and slow-speed positioning under constant current. Heat generated at this operating point is removed by natural convection, so no external fan or liquid circuit is required. The motor is equipped with an electrically released brake that holds the shaft when power is removed and releases when brake power is restored. When engaged, the brake provides 1.27 Nm of static torque to resist back-driving loads. The compact 031 frame helps reduce installation space while maintaining the magnetic volume needed for this torque class. This brake arrangement helps keep a parked axis from drifting between motion cycles.
The housing uses C length, providing a deeper stator stack for higher power density without changing the mounting footprint. Output motion is transmitted through a plain shaft, which simplifies coupler alignment and keeps inertia low at the load interface. The motor has no shaft seal, so it should be installed where fluid spray cannot reach the shaft opening. This shaft arrangement is well suited to enclosed mechanisms that operate in clean mounting locations. Electrical characteristics are set by the R300 winding, which matches back EMF and rated current to 24 V and 48 V IndraDrive controllers used in low-voltage mechatronic modules.
Frequently Asked Questions about MSM031C-R300-NN-M5-MH1:
Q: What type of brake does the MSM031C-R300-NN-M5-MH1 motor utilize?
A: The MSM031C-R300-NN-M5-MH1 uses an electrical release brake type.
Q: What is the continuous standstill torque for the MSM031C-R300-NN-M5-MH1?
A: This model delivers a continuous torque at standstill of 1.30 Nm.
Q: How is the MSM031C-R300-NN-M5-MH1 motor cooled?
A: Cooling is achieved through natural convection in the MSM031C-R300-NN-M5-MH1.
Q: Does the MSM031C-R300-NN-M5-MH1 include a holding brake and what is its brake torque?
A: The MSM031C-R300-NN-M5-MH1 is equipped with a holding brake that provides 1.27 Nm of brake torque.
Q: What shaft configuration and sealing does the MSM031C-R300-NN-M5-MH1 have?
A: A plain shaft design is featured on this model and it does not have a shaft seal.
