MSM031B-R300-NN-M0-CH1 Bosch Rexroth Indramat
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MPN: R911325134
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The Bosch Rexroth Indramat MSM031B-R300-NN-M0-CH1 is a synchronous motor from the MSM IndraDyn S Synchronous Motors series. It features a multiturn absolute encoder, 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 0.64 Nm and uses a cable tail for electrical connection.
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Product Description:
The MSM031B-R300-NN-M0-CH1 is a synchronous motor manufactured by Bosch Rexroth Indramat as part of the MSM IndraDyn S Synchronous Motors series. The motor converts electrical energy from an IndraDrive amplifier into torque and speed for positioning small tooling or conveyor stations in automated cells. Its integrated feedback, compact housing, and low inertia make it suitable for precision tasks that require fast indexing and limited installation depth in packaging machines, electronic assembly lines, and laboratory equipment.
Its continuous stall capability of 0.64 Nm is the maximum torque the motor can deliver continuously without overheating, so average load must remain below that value. Heat is removed by natural convection, which allows operation without external fans but requires airflow around the housing to remain unobstructed. A built-in multiturn absolute encoder sends position data to the controller across several mechanical revolutions, eliminating the need for homing after power cycles. When power is removed, the holding brake supplies 1.27 Nm of static torque to keep the shaft locked on vertical or load-bearing axes, and winding code R300 identifies the electrical characteristics matched to IndraDrive low-voltage inverters.
The brake uses an electrically released mechanism, so spring force holds the rotor until a 24 V supply disengages it during motion commands. Power and feedback leave the housing through a preassembled cable tail, which reduces connector count and simplifies routing in tight machine spaces. Frame code 031 indicates the external flange pattern, while length designation B sets the overall body depth. A plain shaft without a shaft seal reduces friction and suits couplings that already provide sealing, so external sealing is needed if splash ingress is expected.
Frequently Asked Questions about MSM031B-R300-NN-M0-CH1:
Q: What type of encoder does the MSM031B-R300-NN-M0-CH1 motor use?
A: The MSM031B-R300-NN-M0-CH1 features a multiturn absolute encoder for precise feedback and position detection.
Q: Does the MSM031B-R300-NN-M0-CH1 come with a holding brake and what is its torque?
A: This model is equipped with a holding brake that provides a torque of 1.27 Nm.
Q: What shaft configuration is provided on the MSM031B-R300-NN-M0-CH1 motor?
A: The MSM031B-R300-NN-M0-CH1 has a plain shaft without a shaft seal.
Q: What cooling mode does the MSM031B-R300-NN-M0-CH1 synchronous motor utilize?
A: Natural convection is used as the cooling method in the MSM031B-R300-NN-M0-CH1.
Q: What is the continuous torque at standstill for the MSM031B-R300-NN-M0-CH1?
A: The continuous torque at standstill for this motor is specified at 0.64 Nm.
