MSK040B-0450-NN-M1-UG1-NNNN Bosch Rexroth Indramat
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MPN: R911321001
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The Bosch Rexroth Indramat MSK040B-0450-NN-M1-UG1-NNNN is part of the MSK IndraDyn S Synchronous Motors series and features natural convection cooling with a standard design. This servomotor includes a multiturn absolute optical encoder with Hiperface interface and 128 signal periods resolution. It is equipped with a plain shaft and an electrically-released holding brake that provides 4 Nm of holding torque.
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Product Description:
The MSK040B-0450-NN-M1-UG1-NNNN is a synchronous servo motor produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. In automated machinery, the unit converts drive current into controlled rotary motion so axes can hold speed and torque with repeatable accuracy. When paired with a compatible drive, it supports closed-loop motion on packaging lines, pick-and-place modules, and other precision stations that require coordinated velocity and position control. This type of motor is commonly used where short cycle times and accurate positioning are both important.
Heat generated during operation is removed by natural convection, so the housing relies on ambient airflow rather than fans or liquid loops. The motor uses a compact B length and a rotatable 240° encoder connector, which helps route cables in crowded machine layouts. Feedback is provided through the Hiperface digital interface. Its sensing method is optical, and the encoder delivers 128 signal periods per revolution for position tracking. Because the feedback system is multiturn absolute, position information remains available through power cycles without external batteries, which helps the controller recover shaft position quickly after startup.
Mechanical output is delivered through a plain shaft, which supports backlash-free coupling with precision clamping hubs. A factory-mounted, electrically released holding brake provides 4 Nm of static torque so vertical or indexed axes can stay locked when drive power is absent. The motor uses winding code 0450 for its electrical configuration, allowing the matching drive to apply the correct current characteristics for this winding. Its 040 frame size keeps rotor inertia low, which helps the axis accelerate quickly in light handling assemblies and other compact motion systems. The combination of low inertia and a holding brake suits small axes that must move quickly and remain secure at standstill.
Frequently Asked Questions about MSK040B-0450-NN-M1-UG1-NNNN:
Q: What type of shaft does the MSK040B-0450-NN-M1-UG1-NNNN motor have?
A: The MSK040B-0450-NN-M1-UG1-NNNN is equipped with a plain shaft design.
Q: Does the MSK040B-0450-NN-M1-UG1-NNNN motor have a holding brake and what is its torque rating?
A: This motor features an electrically-released holding brake providing 4 Nm torque.
Q: What kind of encoder and resolution does the MSK040B-0450-NN-M1-UG1-NNNN employ?
A: It uses a Hiperface optical encoder with multiturn absolute feedback and 128 signal periods of resolution.
Q: How is the MSK040B-0450-NN-M1-UG1-NNNN motor cooled?
A: Cooling is achieved via natural convection without the need for external fans.
Q: What is the design of the encoder connector on the MSK040B-0450-NN-M1-UG1-NNNN?
A: The encoder connector is rotatable up to 240°, allowing flexible cable arrangement.
