MSK071E-0300-NN-M1-UP1-NNNN Bosch Rexroth Indramat
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MPN: R911313947
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The Bosch Rexroth Indramat MSK071E-0300-NN-M1-UP1-NNNN is part of the MSK IndraDyn S Synchronous Motors series and features a standard design with natural convection cooling. This servomotor includes a multiturn absolute optical encoder with Hiperface interface and has a shaft with keyway. It is equipped with an electrically-released holding brake providing 23 Nm of torque.
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Product Description:
The MSK071E-0300-NN-M1-UP1-NNNN is an IndraDyn S synchronous servo motor produced by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. It is intended for closed-loop axes where accurate position and torque regulation are required in packaging machines, metal-forming presses, and handling modules. Delivered in a standard design, the motor integrates an absolute feedback system and an electrically released holding brake so the driven load can remain stationary after the drive is disabled. This arrangement supports positioning tasks that require repeatable motion, controlled stopping, and stable load holding after a commanded stop.
The motor is cooled by natural convection, so heat is removed through the housing without an external fan. This cooling method reduces added hardware around the motor and relies on free airflow around the installed surface. Mechanical energy is transmitted by a shaft with a keyway, which provides a secure connection to pulleys, couplings, or hubs during reversing duty. The electrically released brake provides 23 Nm of static torque so suspended or vertical loads can remain in place when power is removed. Rotor position is measured by a multi-turn absolute encoder, and data is exchanged with the drive over the Hiperface serial link, which carries both incremental and absolute information on the same connection.
The feedback assembly is fitted with a rotatable through 240° connector, allowing the cable outlet to be aligned more easily with the machine layout. Inside the sensor, a track count of 128 signal periods supplies the resolution needed for smooth velocity control on medium-inertia loads. Signal generation relies on an optical scanning method that helps reduce phase jitter at the drive input and supports consistent feedback quality across the speed range. The motor uses frame size 071, while length code E and winding code 0300 set the torque and voltage characteristics used in medium-power automation duties.
Frequently Asked Questions about MSK071E-0300-NN-M1-UP1-NNNN:
Q: Does the MSK071E-0300-NN-M1-UP1-NNNN servo motor feature a holding brake?
A: This model is equipped with a holding brake that is electrically released and provides a braking torque of 23 Nm.
Q: What type of encoder does the MSK071E-0300-NN-M1-UP1-NNNN servo motor use?
A: The MSK071E-0300-NN-M1-UP1-NNNN uses a multiturn absolute optical encoder with Hiperface interface and 128 signal periods resolution.
Q: How is the MSK071E-0300-NN-M1-UP1-NNNN servo motor cooled?
A: Cooling for this servo motor is achieved through natural convection, requiring no external fans or liquid cooling.
Q: What type of shaft is present on the MSK071E-0300-NN-M1-UP1-NNNN motor?
A: The shaft features a keyway for secure mechanical coupling in drive applications.
Q: What is special about the encoder connector on the MSK071E-0300-NN-M1-UP1-NNNN?
A: The encoder connector on this model is rotatable up to 240°, allowing flexible cable management.
