MSK050B-0300-NN-S3-UP1-NNNN Bosch Rexroth Indramat
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MPN: R911373490
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The Bosch Rexroth Indramat MSK050B-0300-NN-S3-UP1-NNNN is part of the MSK IndraDyn S Synchronous Motors series and features a motor size 050 with length B. This servomotor uses natural convection cooling, and includes a shaft with keyway and an electrically-released holding brake with 6 Nm torque. It has a rotatable encoder connector at 240 degrees, uses Hiperface interface and capacitive singleturn encoder technology with 16 signal periods.
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Product Description:
The MSK050B-0300-NN-S3-UP1-NNNN is a synchronous servomotor manufactured by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. Built on a compact 050 frame with length code B, it serves as a direct-drive actuator in packaging machines, pick-and-place gantries, and other axes that demand repeatable positioning with low inertia. The motor converts controlled three-phase electrical power into rotary motion and provides precise force and velocity control for coordinated multi-axis systems. Its compact format also helps it fit tightly spaced machine layouts where responsive motion is required.
Its passive cooling method relies on natural convection, so heat is dissipated through the housing without fans or liquid lines. This means surrounding airflow must remain clear so the motor can release heat during continuous operation. Position and speed loops use a Hiperface interface that streams absolute data to the drive, supporting fast startup and dependable communication over two bidirectional conductors. The sensing element uses capacitive measurement, which offers good resistance to oil mist and light vibration compared with optical discs. An electrically released brake provides 6 Nm of static torque to hold moderate vertical loads when required. Mechanical power is transmitted through a shaft with a keyway, allowing keyed couplings or pulleys to transfer torque securely.
Cable routing flexibility is improved by the rotatable 240° encoder connector, which can be swiveled during installation to avoid sharp bends inside tight enclosures. The feedback element delivers 16 signal periods per mechanical revolution, and internal interpolation in the drive creates the fine position grid needed for smooth motion. Because the encoder is single-turn, the absolute position resets after one revolution. For applications that need multi-turn position data, the controller must track additional turns separately. The motor uses winding code 0300, which sets the voltage constant and rated current expected by a compatible IndraDrive amplifier.
Frequently Asked Questions about MSK050B-0300-NN-S3-UP1-NNNN:
Q: How is the MSK050B-0300-NN-S3-UP1-NNNN motor cooled?
A: The MSK050B-0300-NN-S3-UP1-NNNN utilizes natural convection for cooling, making it operate without fans or liquid cooling systems.
Q: Does the MSK050B-0300-NN-S3-UP1-NNNN motor have a holding brake and what is its torque?
A: This model includes a holding brake that is electrically released and provides a holding torque of 6 Nm.
Q: How flexible is the encoder connector on the MSK050B-0300-NN-S3-UP1-NNNN motor?
A: The encoder connector on this motor is rotatable up to 240°, allowing flexible installation in tight spaces.
Q: What type of encoder and interface does the MSK050B-0300-NN-S3-UP1-NNNN motor feature?
A: The MSK050B-0300-NN-S3-UP1-NNNN uses a singleturn capacitive encoder with a resolution of 16 signal periods and Hiperface interface.
Q: What kind of shaft does the MSK050B-0300-NN-S3-UP1-NNNN motor have?
A: This model is equipped with a shaft that has a keyway, ensuring secure mechanical coupling.
