MSK040B-0450-NN-M1-BG1-NNNN Bosch Rexroth Indramat
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MPN: R911369950
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The Bosch Rexroth Indramat MSK040B-0450-NN-M1-BG1-NNNN is part of the MSK IndraDyn S Synchronous Motors series. This standard design servomotor features natural convection cooling, a plain shaft, and an electrically-released holding brake with 4 Nm torque. It uses a Hiperface optical multiturn absolute encoder with 128 signal periods and has an IP65 protection rating.
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Product Description:
The MSK040B-0450-NN-M1-BG1-NNNN is a synchronous servo motor produced by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. It converts electrical energy into controlled rotary motion for axes that demand precise positioning and repeatable speed in automated assembly lines, packaging stations, and material-handling systems. By combining torque generation, feedback, and an integral brake in one housing, the motor simplifies mechanical layouts in industrial automation projects. Its synchronous servo design also supports quick response to command changes, which helps maintain smooth motion during frequent indexing and speed corrections.
The winding code 0450 sets the stator’s electrical characteristics and indicates the current range required from the drive. Heat from those windings is dissipated through natural convection, removing the need for external fans. An optical multi-turn absolute encoder communicates with the drive through the Hiperface protocol, allowing digital commutation data and revolution counts on a single pair of conductors. That encoder produces 128 signal periods per revolution, enabling fine velocity loops and smooth low-speed motion. The sealed aluminum frame carries an IP65 ingress rating that blocks dust and water jets often present on factory floors, and the feedback arrangement helps the drive maintain accurate position tracking during reversals and other dynamic motion changes.
An electrically released holding brake supplies 4 Nm of static torque so loads remain locked during power-off conditions. Temperature resilience corresponds to insulation class 155, allowing elevated winding temperatures without degrading varnish life. The motor follows size code 040 with length designation B, giving a compact footprint suited to narrow machine modules. A plain shaft transfers torque directly, and the power connector is positioned on the B-side for streamlined cable routing. Continuous service is permitted in ambient temperatures between 0–40 °C, fitting standard enclosure climates without additional cooling equipment.
Frequently Asked Questions about MSK040B-0450-NN-M1-BG1-NNNN:
Q: How is the MSK040B-0450-NN-M1-BG1-NNNN servomotor cooled?
A: The MSK040B-0450-NN-M1-BG1-NNNN is cooled by natural convection, operating without external fans or forced cooling systems.
Q: What type of encoder is featured on the MSK040B-0450-NN-M1-BG1-NNNN servomotor?
A: This model uses a multiturn absolute optical encoder with a resolution of 128 signal periods and Hiperface interface.
Q: Does the MSK040B-0450-NN-M1-BG1-NNNN motor have a holding brake, and what is its torque?
A: The MSK040B-0450-NN-M1-BG1-NNNN includes an electrically-released holding brake providing a torque of 4 Nm.
Q: What shaft configuration is provided with the MSK040B-0450-NN-M1-BG1-NNNN servomotor?
A: This servomotor features a plain shaft, suitable for applications requiring backlash-free coupling.
Q: What is the protection rating of the MSK040B-0450-NN-M1-BG1-NNNN servomotor?
A: The protection rating for this motor is IP65, indicating it is dust-tight and protected against water jets from any direction.
