MSK071D-0300-NN-M2-UP2-RSNN Bosch Rexroth Indramat
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MPN: R911321168
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The Bosch Rexroth Indramat MSK071D-0300-NN-M2-UP2-RSNN is an IndraDyn S Synchronous Servomotor from the MSK IndraDyn S Synchronous Motors series. It features a rotatable 240° EnDat2.1 optical multiturn absolute encoder with 2048 signal periods and has a holding brake torque of 30 Nm. The servomotor is built with IP65 protection, natural convection cooling, and operates in ambient temperatures from 0 to 40°C.
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Product Description:
The MSK071D-0300-NN-M2-UP2-RSNN belongs to the MSK IndraDyn S Synchronous Motors series manufactured by Bosch Rexroth Indramat. As an IndraDyn S synchronous servomotor, it delivers closed-loop rotational motion for positioning and feed axes in industrial automation. In automated equipment, it converts electrical input into controlled shaft rotation for feed systems, indexing axes, and handling mechanisms. The synchronous design allows a matched drive to regulate speed and position with consistent response. Its 071 frame size with D length gives the motor a longer active section within this housing class.
This motor uses natural convection for cooling, so mounting space must keep the housing exposed to ambient air rather than enclosed behind obstructed panels. The stator uses winding code 0300, and the mechanical design includes increased concentricity and explosion protection for operation in hazardous areas. Feedback is provided through the EnDat2.1 interface, and a rotatable 240° connector eases cable routing in confined cabinets. The encoder produces 2048 signal periods per revolution and stores position with multiturn absolute feedback, giving the drive rotor position data for commutation and closed-loop control. This arrangement supports startup without a homing routine after power cycling. An electrically released holding brake provides 30 Nm of static torque when the axis must remain secured with power removed.
The housing is rated IP65, which helps protect the windings against dust ingress and water jets in general industrial environments. Torque is transferred through a shaft with keyway, which helps prevent slip under cyclic load and supports couplings that require a positive mechanical connection. Continuous operation is permitted in ambient temperatures from 0–40 °C, allowing use across typical indoor factory conditions. The winding insulation uses class 155, allowing the motor to withstand elevated internal temperatures during cyclic duty while maintaining dielectric strength.
Frequently Asked Questions about MSK071D-0300-NN-M2-UP2-RSNN:
Q: What is the protection rating of the MSK071D-0300-NN-M2-UP2-RSNN motor?
A: This model has a protection rating of IP65, offering a high degree of dust and water resistance.
Q: What type of holding brake and torque does this motor have?
A: The MSK071D-0300-NN-M2-UP2-RSNN is equipped with an electrically-released holding brake rated at 30 Nm.
Q: What encoder technology and resolution are included in the MSK071D-0300-NN-M2-UP2-RSNN?
A: This motor uses an EnDat2.1 optical multiturn absolute encoder with a resolution of 2048 signal periods.
Q: How is the MSK071D-0300-NN-M2-UP2-RSNN cooled during operation?
A: It features natural convection cooling and requires Cooling FN as a constraint for operation.
Q: What ambient temperature range can the MSK071D-0300-NN-M2-UP2-RSNN operate within?
A: The operating ambient temperature range for this motor is 0 to 40°C.
