MSK071E-0300-NN-S2-UG2-RNNN Bosch Rexroth Indramat
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MPN: R911318239
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The Bosch Rexroth Indramat MSK071E-0300-NN-S2-UG2-RNNN is part of the MSK IndraDyn S Synchronous Motors series and features natural convection cooling with an increased concentricity design. This servomotor comes equipped with an optical, singleturn EnDat2.1 encoder with a resolution of 2048 signal periods and a 30 Nm electrically-released holding brake. It has a plain shaft, an IP65 protection rating, and operates within an ambient temperature range of 0 to 40°C.
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Product Description:
The MSK071E-0300-NN-S2-UG2-RNNN is an IndraDyn S synchronous servo motor produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. It converts commanded current into controlled torque and speed for positioning axes in automated machines. An E-length stator combined with the 071 frame size provides useful torque density while keeping the motor compact enough for tightly spaced machine layouts. The motor is suited to packaging, handling, and metal-cutting systems where repeated starts, stops, and reversals place steady demands on axis control. Increased concentricity in the mechanical design helps reduce runout and vibration during rapid directional changes.
Thermal management is handled by natural convection, so additional forced airflow is not required, but the mounting surface must still allow heat to dissipate freely. Frame code 071 and winding code 0300 establish the electrical behavior expected by the matching drive controller. The housing carries an IP65 protection rating, which keeps dust and water jets away from internal components in normal industrial service. Position feedback is provided by an EnDat2.1 optical encoder connected through a rotatable 240° connector, which helps route cables in confined installations. The encoder delivers 2048 signal periods per revolution, giving the drive accurate data for commutation, velocity regulation, and repeatable positioning.
The optical measuring principle supports clean signal transmission, and the encoder uses a single-turn scanning system so absolute position is referenced within one mechanical revolution. An electrically released holding brake provides 30 Nm of static torque to hold the load when supply power is removed. The motor uses a plain shaft, which allows direct coupling without keyway play and is suitable for gearboxes or other precision drive elements. Its insulation system is rated for class 155 heat resistance and supports continuous duty in ambient temperatures from 0 to 40 °C without derating.
Frequently Asked Questions about MSK071E-0300-NN-S2-UG2-RNNN:
Q: What cooling method is used for the MSK071E-0300-NN-S2-UG2-RNNN servo motor?
A: The MSK071E-0300-NN-S2-UG2-RNNN servo motor utilizes natural convection for cooling and does not rely on external fans.
Q: Does the MSK071E-0300-NN-S2-UG2-RNNN have a holding brake, and what is its torque?
A: This model includes a holding brake that is electrically released and provides a brake torque of 30 Nm to secure the motor in place when powered off.
Q: What feature does the encoder connector offer for installation on the MSK071E-0300-NN-S2-UG2-RNNN?
A: The encoder connector on the MSK071E-0300-NN-S2-UG2-RNNN can be rotated up to 240° for flexible installation in tight spaces.
Q: What is the protection rating of the MSK071E-0300-NN-S2-UG2-RNNN motor?
A: The protection rating for this motor is IP65, making it dust-tight and protected against water jets from any direction.
Q: What type of encoder and resolution does the MSK071E-0300-NN-S2-UG2-RNNN feature?
A: The MSK071E-0300-NN-S2-UG2-RNNN is equipped with an optical, singleturn encoder using EnDat2.1 interface with a resolution of 2048 signal periods.
