MSK070E-0450-NN-S2-UP1-RNNN Bosch Rexroth Indramat
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MPN: R911299970
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The Bosch Rexroth Indramat MSK070E-0450-NN-S2-UP1-RNNN is part of the MSK IndraDyn S Synchronous Motors series and is designed with natural convection cooling and increased concentricity. It features an optical EnDat2.1 singleturn encoder with a resolution of 2048 signal periods, and has a protection rating of IP65. The motor comes with an electrically released holding brake rated at 23 Nm and operates within an ambient temperature range of 0 to 40 degrees Celsius.
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Product Description:
The MSK070E-0450-NN-S2-UP1-RNNN is a brushless AC servomotor produced by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. Built as an IndraDyn S synchronous servomotor, it converts drive current into precise mechanical motion in automated assembly cells, material-handling axes, and packaging lines. The motor’s size 070 frame and length code E provide a compact envelope while supporting the torque density demanded by these applications. This combination makes the unit suitable for servo axes that require repeatable acceleration, stable speed control, and accurate positioning during frequent start-stop cycles.
Its cooling relies on natural convection, eliminating the need for external fans and allowing the motor to operate with a simpler machine layout when surrounding airflow is unobstructed. A housing classified as IP65 seals internal components against dust and low-pressure water jets, so the unit can be mounted directly on machinery in demanding industrial settings. Power is delivered through a shaft with keyway, giving a positive mechanical connection to pulleys or couplings. An electrically released holding brake supplies 23 Nm of static torque to secure vertical loads during power-off states. Position data reach the drive via the EnDat2.1 serial interface, enabling high-resolution feedback without additional wiring. The brake and feedback arrangement support controlled stopping, axis holding, and immediate position evaluation after startup.
The feedback subsystem is optical and provides 2048 signal periods per revolution, which allows fine motion control when used with a compatible drive. Because the encoder is single-turn, absolute position is retained for one revolution, which is suitable for many direct-drive and short-stroke applications. A rotatable 240° connector eases cable routing, and the increased concentricity design helps reduce radial runout and vibration during operation. Thermal endurance is rated as class 155, allowing continuous winding temperatures up to 155 °C, while the specified operating range remains between 0–40 °C. The dedicated winding code 0450 matches the motor’s electrical characteristics to standard IndraDrive controllers, supporting stable current control and predictable servo response in synchronized motion systems.
Frequently Asked Questions about MSK070E-0450-NN-S2-UP1-RNNN:
Q: How is the MSK070E-0450-NN-S2-UP1-RNNN motor cooled?
A: The MSK070E-0450-NN-S2-UP1-RNNN motor uses natural convection for cooling and operates without forced air or external cooling systems.
Q: Does the MSK070E-0450-NN-S2-UP1-RNNN motor have a holding brake?
A: This model is equipped with a holding brake that is electrically-released and offers a holding brake torque of 23 Nm.
Q: What type of encoder does the MSK070E-0450-NN-S2-UP1-RNNN motor use?
A: The encoder on this motor uses optical technology with a singleturn type and a resolution of 2048 signal periods.
Q: What is the protection class of the MSK070E-0450-NN-S2-UP1-RNNN?
A: The protection rating of IP65 ensures the motor is dust tight and protected against water jets from any direction.
Q: What type of shaft does the MSK070E-0450-NN-S2-UP1-RNNN feature?
A: The shaft is designed with a keyway, providing secure torque transmission for coupled machinery.
