MSK050C-0300-NN-M2-UP1-RNNN Bosch Rexroth Indramat
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MPN: R911321488
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The Bosch Rexroth Indramat MSK050C-0300-NN-M2-UP1-RNNN is part of the MSK IndraDyn S Synchronous Motors series and features natural convection cooling and increased concentricity design. This synchronous servomotor has a shaft with keyway, a C-length 050 size, and is equipped with a multiturn absolute optical encoder with EnDat2.1 interface and 2048 signal periods of resolution. It includes an electrically-released holding brake with a torque of 6 Nm and a rotatable 240-degree encoder connector.
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Product Description:
Bosch Rexroth Indramat produced the MSK050C-0300-NN-M2-UP1-RNNN as part of the MSK IndraDyn S Synchronous Motors series. This IndraDyn S synchronous servomotor converts drive commands from a Rexroth controller into precise rotary motion for positioning axes, pick-and-place units, and packaging lines. Its electromagnetic design offers high torque density, and the compact frame supports installations where available machine space is limited. That combination makes the motor suitable for applications that need accurate motion control without requiring a large mounting envelope.
The motor rejects heat to ambient air through natural convection, a cooling method that lets it operate without fans or liquid lines when installed in cabinets with adequate airflow. Its mechanical build includes increased concentricity, which helps reduce shaft runout and lowers vibration transmitted to precision gearboxes, couplings, and belt-driven assemblies. Position feedback is handled by an EnDat 2.1 interface, enabling bidirectional digital communication with compatible Rexroth drives for automatic parameter transfer and diagnostic functions. The feedback plug is rotatable through 240°, allowing cable exits to be aligned toward the cabinet or away from moving parts without twisting conductors. Internal electronics produce 2048 signal periods per revolution, giving the drive high interpolation potential for smooth velocity control and stable position regulation.
Beyond single-turn accuracy, the encoder operates in multi-turn absolute mode, so the controller receives a unique position value even after power loss and can resume motion with less startup delay. The sensing element uses optical scanning to maintain stable signal quality and resist interference from magnetic stray fields commonly found around servo equipment. For safety stops on vertical axes, an electrically released brake provides 6 Nm of static holding torque, allowing the motor to hold suspended loads when the drive is disabled. Mechanical power is transferred through a shaft with a keyway, which simplifies connection to pulleys or couplings and helps prevent slip during repeated acceleration and deceleration cycles.
Frequently Asked Questions about MSK050C-0300-NN-M2-UP1-RNNN:
Q: How is the MSK050C-0300-NN-M2-UP1-RNNN motor cooled?
A: This model uses natural convection for cooling, requiring no external fans or forced cooling systems.
Q: What type of encoder is used in the MSK050C-0300-NN-M2-UP1-RNNN?
A: The encoder on this motor is an optical multiturn absolute type with an EnDat2.1 interface.
Q: What is the holding brake torque for the MSK050C-0300-NN-M2-UP1-RNNN?
A: The holding brake on this motor has a torque of 6 Nm and is electrically released.
Q: What type of encoder connector does the MSK050C-0300-NN-M2-UP1-RNNN have?
A: This model features a rotatable encoder connector with a 240° rotation capability.
Q: What shaft design does the MSK050C-0300-NN-M2-UP1-RNNN use?
A: The MSK050C-0300-NN-M2-UP1-RNNN has a shaft with a keyway for secure coupling to mechanical loads.
