MSM041B-0300-NN-M0-CH1 Bosch Rexroth Indramat
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MPN: R911325144
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The Bosch Rexroth Indramat MSM041B-0300-NN-M0-CH1 is a synchronous motor from the MSM IndraDyn S Synchronous Motors series. It features a multiturn absolute encoder and an electrical release brake with a holding brake torque of 2.45 Nm. The motor uses natural convection for cooling and has a continuous standstill torque of 2.40 Nm.
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Product Description:
The MSM041B-0300-NN-M0-CH1 is a synchronous motor produced by Bosch Rexroth Indramat within the MSM IndraDyn S Synchronous Motors series. As a compact rotary drive element for industrial automation, it converts electrical power from servo inverters into controlled mechanical rotation for packaging lines, pick-and-place axes, and other positioning tasks. The motor is supplied in length class B and integrates a factory-mounted holding brake to secure the load whenever the drive is disabled. Because it is built for controlled servo operation, it suits applications that require repeatable motion during frequent starts, stops, and holding periods.
At standstill, the rotor can deliver 2.40 Nm of continuous torque, indicating the constant load it can support without overheating. Heat produced during operation is removed by natural convection, so no external fan or liquid circuit is required and cabinet airflow remains simple. The brake is electrically released, meaning spring force keeps the shaft locked until supply voltage is applied. Power and feedback conductors exit through a cable tail, which simplifies routing in tight machine frames compared with fixed connectors. Position feedback is generated by a multi-turn absolute encoder that reports both angle and revolution count, allowing the controller to recover axis position after power cycles. This feedback arrangement helps the control system retain position information after an interruption instead of requiring a reference move when operation resumes.
The integrated holding brake provides 2.45 Nm of static torque, which helps prevent drift on vertical axes. The motor has a size code of 041, which corresponds to the stator diameter used in this frame. A plain shaft without a keyway reduces runout and is suited for clamp-style couplings, while winding code 0300 gives the voltage and current relationship needed for the selected drive. The unit is built without a shaft seal, so it should not be exposed to pressurized process fluids. For that reason, it is better suited to clean, enclosed machine areas than to washdown zones or fluid-exposed process sections.
Frequently Asked Questions about MSM041B-0300-NN-M0-CH1:
Q: What type of brake does the MSM041B-0300-NN-M0-CH1 motor use?
A: The MSM041B-0300-NN-M0-CH1 motor is equipped with an electrical release brake.
Q: What is the continuous standstill torque for the MSM041B-0300-NN-M0-CH1?
A: This model provides a continuous torque of 2.40 Nm at standstill.
Q: How is the MSM041B-0300-NN-M0-CH1 motor cooled?
A: The MSM041B-0300-NN-M0-CH1 uses natural convection for cooling without any forced ventilation.
Q: What encoder type is included in the MSM041B-0300-NN-M0-CH1 motor?
A: A multiturn absolute encoder is integrated in this model for position feedback.
Q: What kind of shaft and shaft sealing does the MSM041B-0300-NN-M0-CH1 feature?
A: The shaft on this model is a plain shaft with no shaft seal included.
