MSK071D-0300-NN-M1-UG1-NN04 Bosch Rexroth Indramat
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MPN: R911333464
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The Bosch Rexroth Indramat MSK071D-0300-NN-M1-UG1-NN04 is an IndraDyn S Synchronous Servomotor from the MSK IndraDyn S Synchronous Motors series. It features natural convection cooling, a plain shaft, and comes with an electrically-released holding brake rated at 23 Nm. The motor includes a Hiperface optical multiturn absolute encoder with a rotatable 240° connector and an encoder resolution of 128 signal periods.
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Product Description:
The MSK071D-0300-NN-M1-UG1-NN04 synchronous servo motor is produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. In automated machinery, it serves as a direct-drive actuator that supplies controlled torque and speed to axes that rely on closed-loop drive controllers for repeatable positioning. Its synchronous design also supports smooth motion control in packaging, handling, and other automated systems. The motor is intended for applications where stable response, consistent feedback, and repeatable axis behavior are required during continuous operation.
An integrated feedback package supports servo accuracy and reliable position tracking. The encoder connector is rotatable through 240°, which helps route cables in tight cabinet spaces or around adjacent hardware. Feedback data is exchanged over the Hiperface interface, allowing the drive to read position information and stored motor data through one system. Position resolution comes from an internal disk with 128 signal periods per mechanical revolution, and the scanning principle is optical to reduce sensitivity to electrical noise during interpolation. Long-term position retention is provided by a multiturn absolute pick-up, so the motor can retain revolution information after power is removed. This arrangement supports immediate axis availability after restart and reduces recovery steps following planned shutdowns.
Mechanical output is delivered through a plain shaft that mates with clamp or keyless couplings, and the shaft diameter matches frame code 071. The stator uses winding code 0300, and the active magnetic stack has D length to support a continuous torque range suited to medium-inertia loads. A factory-mounted electrically released holding brake secures the rotor when motion must stop, and the brake provides 23 Nm of holding torque when control voltage is absent. Heat from the windings is dissipated by natural convection, so the installation should allow unobstructed airflow around the housing for stable thermal performance. This cooling method helps keep the motor suitable for installations where external cooling hardware is not desired.
Frequently Asked Questions about MSK071D-0300-NN-M1-UG1-NN04:
Q: How is the MSK071D-0300-NN-M1-UG1-NN04 motor cooled?
A: This model features natural convection cooling, which requires no external fans or forced cooling systems.
Q: What type of encoder is used in the MSK071D-0300-NN-M1-UG1-NN04 motor?
A: The servo motor uses a multiturn absolute encoder with optical technology for precise position detection.
Q: What kind of shaft does the MSK071D-0300-NN-M1-UG1-NN04 servo motor have?
A: The MSK071D-0300-NN-M1-UG1-NN04 features a plain shaft, suitable for direct coupling applications.
Q: What type and torque rating is the holding brake on the MSK071D-0300-NN-M1-UG1-NN04?
A: This model is equipped with an electrically-released holding brake providing 23 Nm of torque.
Q: Which encoder interface is provided on the MSK071D-0300-NN-M1-UG1-NN04 motor?
A: The motor’s encoder interface is Hiperface, accommodating advanced feedback with a rotatable connector covering 240°.
