MSK040B-0450-NN-M2-UG1-NNNN Bosch Rexroth Indramat
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MPN: R911331295
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The Bosch Rexroth Indramat MSK040B-0450-NN-M2-UG1-NNNN is part of the MSK IndraDyn S Synchronous Motors series and features a standard design with natural convection cooling. This synchronous servomotor uses an EnDat2.1 optical multiturn absolute encoder with a 2048 signal periods resolution and includes a 4 Nm electrically-released holding brake. It has a plain shaft, an IP65 protection rating, and operates in ambient temperatures from 0 to 40°C.
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Product Description:
The MSK040B-0450-NN-M2-UG1-NNNN is an IndraDyn S synchronous servomotor built by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. With motor size 040 and length code B, it suits compact axes that still require accurate torque and speed control. In a closed-loop drive system, it converts regulated current from a compatible controller into precise rotary motion for positioning, packaging, and handling stations. That makes it suitable for machines that need quick starts, controlled stops, and steady response under changing load conditions.
Its standard construction relies on natural convection to remove heat, so no auxiliary fan or liquid circuit is required. A housing rated at IP65 blocks dust ingress and low-pressure water jets, which supports use outside a sealed cabinet in many plant areas. The motor is intended for ambient temperatures from 0 to 40 °C, and an electrically released holding brake provides 4 Nm of static torque when the axis must remain at rest after power is removed. The brake is especially useful on vertical axes or indexed positions where drift after shutdown is not acceptable. Position feedback is transmitted through the digital EnDat2.1 interface, allowing accurate bidirectional data exchange for diagnostics and closed-loop motion control.
The optical encoder delivers 2048 signal periods per revolution, and internal interpolation gives the drive finer position data for smooth control. Because it uses multiturn absolute feedback, the motor retains shaft position information over multiple revolutions and can return known position data after a shutdown. This feedback arrangement helps the controller maintain stable low-speed rotation as well as repeatable positioning during frequent start-stop cycles. Cable routing is eased by a connector that is rotatable through 240°, while the plain shaft allows direct coupling to suitable gearboxes or couplings. Insulation class 155 supports elevated winding temperatures while maintaining dielectric strength during normal operation, and winding code 0450 matches the electrical values expected by compatible MSK drives.
Frequently Asked Questions about MSK040B-0450-NN-M2-UG1-NNNN:
Q: How is the MSK040B-0450-NN-M2-UG1-NNNN motor cooled?
A: The MSK040B-0450-NN-M2-UG1-NNNN motor features natural convection cooling, operating passively without the need for forced airflow.
Q: What type of encoder does the MSK040B-0450-NN-M2-UG1-NNNN motor use?
A: This model includes a multiturn absolute optical encoder with EnDat2.1 interface and a resolution of 2048 signal periods.
Q: Does the MSK040B-0450-NN-M2-UG1-NNNN come with a holding brake?
A: A holding brake is included, which is electrically released and provides 4 Nm of brake torque.
Q: What shaft configuration does the MSK040B-0450-NN-M2-UG1-NNNN motor have?
A: The shaft type on this motor is a plain shaft, allowing for direct coupling to compatible mechanical elements.
Q: What is the protection rating for the MSK040B-0450-NN-M2-UG1-NNNN motor?
A: It has a protection rating of IP65, making it suitable for environments exposed to dust and water jets.
