MSK071C-0300-NN-M2-UP0-RNNN Bosch Rexroth Indramat
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MPN: R911335722
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The Bosch Rexroth Indramat MSK071C-0300-NN-M2-UP0-RNNN belongs to the MSK IndraDyn S Synchronous Motors series and is a synchronous servomotor with a motor size of 071 and length C. It uses natural convection for cooling and features a shaft with keyway and increased concentricity design. The motor includes a rotatable, 240° encoder connector with optical multiturn absolute EnDat2.1 encoder technology offering 2048 signal periods resolution and does not have a holding brake.
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Product Description:
The MSK071C-0300-NN-M2-UP0-RNNN belongs to the MSK IndraDyn S Synchronous Motors series produced by Bosch Rexroth Indramat. It is an IndraDyn S synchronous servomotor intended for position-controlled axes in industrial automation, where tight speed regulation and high repeatability are required for packaging machines, material-handling gantries, and pick-and-place stations. The motor integrates an optical multi-turn absolute encoder and is supplied without a holding brake, making it suitable for systems that use external mechanical locks or drive torque for standstill security.
The frame designation 071 specifies the stator diameter, establishing the torque density that the drive controller can extract from the motor. Stack length code C identifies the active lamination height that determines continuous output power and thermal mass. Electrical behavior is tuned through winding code 0300; this code sets phase resistance and inductance so the motor pairs correctly with IndraDrive power sections. Heat is removed by natural convection, eliminating the need for forced-air or liquid cooling and allowing installation in sealed cabinets with limited airflow. A mechanical build with increased concentricity minimizes radial runout between rotor and stator, improving velocity smoothness and reducing bearing wear during high-cycle operation.
The integrated optical measuring system offers 2048 signal periods per revolution, and the multi-turn register stores absolute position across power cycles. Its digital feedback uses the EnDat2.1 protocol, transmitting position, diagnostics, and electronic nameplate data over a single shielded pair. For flexible cabinet layouts, the feedback connector is rotatable through 240°, so cable exits can be set to match machine geometry without stressing conductors. Power transmission occurs through a shaft with a keyway, giving a positive drive fit to standard pulleys or couplings. When power is removed, holding torque must come from the servo amplifier or an external clamp.
Frequently Asked Questions about MSK071C-0300-NN-M2-UP0-RNNN:
Q: How is the MSK071C-0300-NN-M2-UP0-RNNN servomotor cooled?
A: The MSK071C-0300-NN-M2-UP0-RNNN uses natural convection for cooling and operates without forced air or liquid cooling systems.
Q: What type of encoder and interface does the MSK071C-0300-NN-M2-UP0-RNNN motor use?
A: This model is equipped with a multiturn absolute encoder using EnDat2.1 interface for precise position feedback.
Q: How adjustable is the encoder connector on the MSK071C-0300-NN-M2-UP0-RNNN servomotor?
A: The servomotor includes a rotatable encoder connector that can rotate up to 240° for flexible installation.
Q: Does the MSK071C-0300-NN-M2-UP0-RNNN motor come with a holding brake?
A: This motor does not feature a holding brake, making it suitable for applications not requiring position holding when power is off.
Q: What type of shaft does the MSK071C-0300-NN-M2-UP0-RNNN servomotor have?
A: The MSK071C-0300-NN-M2-UP0-RNNN uses a shaft with keyway for secure and reliable mechanical coupling.
