MSK061C-0300-NN-S2-UG0-RNNN Bosch Rexroth Indramat
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MPN: R911320297
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The Bosch Rexroth Indramat MSK061C-0300-NN-S2-UG0-RNNN is part of the MSK IndraDyn S Synchronous Motors series and features natural convection cooling with a plain shaft. This servomotor uses an optical singleturn encoder with EnDat2.1 interface and provides an encoder resolution of 2048 signal periods. It has a rotatable 240 degree encoder connector, protection rating of IP65, and operates in ambient temperatures from 0 to 40 degrees Celsius.
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Product Description:
The MSK061C-0300-NN-S2-UG0-RNNN is a synchronous servomotor manufactured by Bosch Rexroth Indramat and supplied within the MSK IndraDyn S Synchronous Motors series. As a feedback-controlled rotary actuator, it converts drive current into tightly regulated torque and speed for positioning axes in industrial automation lines. Its synchronous design supports accurate acceleration, stable speed regulation, and repeatable positioning under changing load conditions.
Heat generated in operation is removed by natural convection. This cooling method eliminates the need for forced cooling hardware and affects the clearance required around the motor during installation. Rotor position data is provided through an EnDat2.1 optical encoder that transmits bidirectional serial feedback to the drive. Inside the scanning head, the code disk offers 2048 signal periods, allowing the controller to interpolate fine position increments for high-resolution motion control. A plain shaft carries the mechanical load directly and avoids the stress concentrations common in keyed designs. For environmental protection, the housing is sealed to IP65, which blocks dust ingress and water jets so the motor can be used on machines without additional enclosures. The increased concentricity design minimizes runout and improves coupling alignment under continuous duty.
Operation is specified for ambient temperatures between 0–40 °C, so airflow around the frame must keep winding temperatures within the Class F limit of 155 °C to maintain insulation life. The encoder connector is mounted on the rear end cap and is rotatable 240°, allowing the cable exit to be oriented for cabinet layouts or moving carriages. The rear connector position also helps keep feedback cable routing clear of the shaft and machine interface. Because the motor is supplied without a holding brake, any power-off load securing must be handled by the drive or by an external mechanical lock. Length code C and winding code 0300 set the motor's continuous torque capability, dynamic response, and thermal behavior for the intended axis.
Frequently Asked Questions about MSK061C-0300-NN-S2-UG0-RNNN:
Q: What type of cooling does the MSK061C-0300-NN-S2-UG0-RNNN motor use?
A: The MSK061C-0300-NN-S2-UG0-RNNN operates with natural convection cooling, eliminating the need for external cooling fans.
Q: What is special about the encoder connector on the MSK061C-0300-NN-S2-UG0-RNNN?
A: This motor features a rotatable encoder connector with a 240° rotation capability, allowing flexible installation.
Q: What is the protection rating of the MSK061C-0300-NN-S2-UG0-RNNN motor?
A: The MSK061C-0300-NN-S2-UG0-RNNN has an IP65 protection rating, making it suitable for environments with dust and low-pressure water jets.
Q: What encoder technology and interface does the MSK061C-0300-NN-S2-UG0-RNNN utilize?
A: An optical singleturn encoder with EnDat2.1 interface and 2048 signal periods is used for position feedback on this model.
Q: Does the MSK061C-0300-NN-S2-UG0-RNNN come with a holding brake?
A: This model is manufactured without a holding brake, so it does not provide a mechanical brake for the shaft.
