MSK071C-0450-NN-S1-UP1-NNNN Bosch Rexroth Indramat
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MPN: R911334418
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The Bosch Rexroth Indramat MSK071C-0450-NN-S1-UP1-NNNN is part of the MSK IndraDyn S Synchronous Motors series and comes in a standard design with a C motor length and size 071. This servo motor features natural convection cooling, a shaft with keyway, and an IP65 protection rating. It includes an electrically released holding brake with a torque of 23 Nm and uses a Hiperface singleturn optical encoder with 128 signal periods.
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Product Description:
The MSK071C-0450-NN-S1-UP1-NNNN is a synchronous servo motor produced by Bosch Rexroth Indramat and part of the MSK IndraDyn S Synchronous Motors series. In an automation cell, it serves as the rotary actuator of a closed-loop drive, converting controlled current from an IndraDrive amplifier into accurate shaft motion for pick-and-place axes, gantry tables, or packaging spindles. The motor has size code 071, length designation C, and a standard mechanical design, giving it a mid-frame format for machines that require moderate continuous torque in a compact footprint. Its synchronous design also supports repeatable acceleration and positioning in applications that run frequent start-and-stop cycles.
This unit is cooled by natural convection, so no external fan or liquid circuit is required, and winding code 0450 matches that passive cooling method. The optical encoder system communicates over the Hiperface interface, and the connector can rotate 240° to simplify cable routing inside a cabinet or along a moving axis. Inside the encoder, an optical scanning head resolves rotor position into 128 signal periods. Because the transducer is single-turn, it reports absolute position within one mechanical revolution, while multi-turn position data must be managed by the controller. The rotatable connector also helps route the feedback cable away from nearby machine components. The motor has a keyed shaft for positive torque transmission to pulleys, couplings, or gearboxes.
An electrically released holding brake provides 23 Nm of static torque so vertical or suspended axes can remain in place when power is removed. The enclosure has an IP65 rating, which blocks dust ingress and resists water jets commonly found in industrial environments. Continuous operation is permitted in ambient air from 0 to 40 °C. Within this range, the class 155 insulation system keeps winding temperature within its thermal limit. This combination supports stable operation during regular production duty without requiring additional external cooling hardware.
Frequently Asked Questions about MSK071C-0450-NN-S1-UP1-NNNN:
Q: Does the MSK071C-0450-NN-S1-UP1-NNNN motor include a holding brake?
A: This model is equipped with a holding brake that is electrically-released and provides a torque of 23 Nm.
Q: How is the MSK071C-0450-NN-S1-UP1-NNNN motor cooled?
A: The cooling method for this motor is natural convection, operating without the need for forced-air systems.
Q: What type of encoder connector does the MSK071C-0450-NN-S1-UP1-NNNN use?
A: A rotatable encoder connector with 240° flexibility is included for convenient installation.
Q: What is the protection rating of the MSK071C-0450-NN-S1-UP1-NNNN motor?
A: The protection rating of this motor is IP65, ensuring it is dust tight and protected against water jets.
Q: What encoder technology does the MSK071C-0450-NN-S1-UP1-NNNN feature?
A: The encoder interface on this model is Hiperface with optical singleturn technology and 128 signal periods of resolution.
