MSK075D-0450-NN-S1-UG2-NNNN Bosch Rexroth Indramat
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MPN: R911346659
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The Bosch Rexroth Indramat MSK075D-0450-NN-S1-UG2-NNNN is part of the MSK IndraDyn S Synchronous Motors series and features a motor size of 075 with a plain shaft design. It includes a singleturn optical encoder with Hiperface interface, rotatable connector, and an electrically released holding brake with 30 Nm torque. The motor has natural convection cooling, an IP65 protection rating, and operates within an ambient temperature range of 0 to 40 degrees Celsius.
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Product Description:
The MSK075D-0450-NN-S1-UG2-NNNN is an IndraDyn S synchronous servo motor manufactured by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. As a compact drive element, it converts controlled electrical input into precise rotary motion for positioning axes, packaging stations, and similar industrial automation tasks. The motor belongs to size 075 and length D, follows a standard design layout, and uses a plain shaft for direct coupling to gearboxes or load shafts. An electrically released holding brake keeps the load in position when power is removed, which is useful where the axis must remain stationary at standstill.
This model uses natural convection to remove heat from the stator without forced airflow. The housing is rated IP65, which helps keep dust and water jets away from internal components when the motor is mounted near the machine. For static load retention, the integrated brake provides 30 Nm of torque and releases when coil power is applied. Continuous operation is permitted in ambient temperatures from 0–40 °C, which suits many industrial environments. This cooling method avoids the need for separate fans or liquid circuits, which keeps the installation simpler. Because cooling depends on ambient air, the area around the motor should remain clear so heat can dissipate freely without reducing thermal performance.
Position feedback is supplied through the Hiperface interface using a single-turn optical encoder. Resolution is 128 signal periods per mechanical revolution, allowing accurate speed regulation and precise position control in closed-loop operation. The feedback connector is rotatable, 240°, which helps route cabling in tight spaces or along moving machine sections. Thermal endurance is based on insulation class 155, supporting winding temperatures common in high-cycle duty. This feedback method provides absolute position information after power-up without requiring multi-turn counting hardware. The digital feedback channel also reduces the need for a separate external measuring device on many standard axes.
Frequently Asked Questions about MSK075D-0450-NN-S1-UG2-NNNN:
Q: What cooling method is used for the MSK075D-0450-NN-S1-UG2-NNNN motor?
A: This MSK075D-0450-NN-S1-UG2-NNNN motor is cooled by natural convection and does not require forced-air ventilation.
Q: What is the holding brake torque of the MSK075D-0450-NN-S1-UG2-NNNN motor?
A: The holding brake on this model is electrically-released and provides a torque of 30 Nm.
Q: What type of encoder connector does the MSK075D-0450-NN-S1-UG2-NNNN use?
A: The MSK075D-0450-NN-S1-UG2-NNNN motor features a rotatable encoder connector with a 240° adjustment range.
Q: What shaft type is provided on the MSK075D-0450-NN-S1-UG2-NNNN motor?
A: The shaft type equipped on this model is a plain shaft, suitable for standard coupling applications.
Q: What protection rating does the MSK075D-0450-NN-S1-UG2-NNNN motor have?
A: This motor is protected against dust and low pressure water jets, as indicated by its IP65 rating.
