MSK071E-0450-NN-S2-UG2-RNNN Bosch Rexroth Indramat
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MPN: R911308350
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The Bosch Rexroth Indramat MSK071E-0450-NN-S2-UG2-RNNN is part of the MSK IndraDyn S Synchronous Motors series and includes a plain shaft with increased concentricity design. This servomotor operates with IP65 protection, features natural convection cooling, and has an optical single-turn EnDat2.1 encoder with a resolution of 2048 signal periods. It also comes with an electrically released holding brake rated at 30 Nm of torque.
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Product Description:
The MSK071E-0450-NN-S2-UG2-RNNN is a synchronous servo motor produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. As a closed-loop rotary actuator, it converts drive current into precisely regulated torque and speed for positioning axes in packaging lines, pick-and-place gantries, and printing mechanisms. This operating role lets the motor follow changing motion commands while maintaining accurate speed and position control through the connected drive. In automated machinery, that supports repeated starts, stops, and dwell periods without losing the commanded relationship between shaft motion and controller output. The feedback system operates in single-turn mode, which suits axes that are referenced within one motor revolution.
The motor uses frame size 071 and axial length E, giving a compact housing that balances torque output with mounting depth. Electrical behavior is matched to winding set 0450 for use with compatible IndraDrive power modules. A high-precision optical encoder provides 2048 signal periods and communicates over EnDat2.1, while the connector can be rotated by 240° to simplify cable routing in tight cabinets. The encoder channel also supports accurate commutation feedback for smooth low-speed operation. Cooling is done by natural convection rather than forced air, which avoids the extra space associated with a separate fan assembly. For power-off holding, an electrically released brake provides 30 Nm of static torque.
The housing has IP65 protection against dust and low-pressure water jets. Continuous operation is permitted at ambient temperatures from 0–40 °C, and insulation class 155 helps protect the stator windings during thermal loading. The motor uses a plain shaft for coupling to gearboxes or belt pulleys, and the output end remains simple for friction-locked hubs or similar connections. The rotor uses an increased-concentricity design that reduces runout and helps keep encoder feedback stable at higher speeds. The sealing and thermal limits suit enclosed machine sections where airborne dust or incidental washdown may be present.
Frequently Asked Questions about MSK071E-0450-NN-S2-UG2-RNNN:
Q: What type of shaft does the MSK071E-0450-NN-S2-UG2-RNNN motor feature?
A: The MSK071E-0450-NN-S2-UG2-RNNN is equipped with a plain shaft for direct coupling applications.
Q: What encoder technology is used in the MSK071E-0450-NN-S2-UG2-RNNN motor?
A: This servomotor uses an EnDat2.1 optical singleturn encoder with a resolution of 2048 signal periods.
Q: Does the MSK071E-0450-NN-S2-UG2-RNNN motor have a holding brake, and what is its torque?
A: The model includes a holding brake that is electrically released and provides a torque of 30 Nm.
Q: How is the MSK071E-0450-NN-S2-UG2-RNNN motor cooled?
A: The cooling method for this motor is natural convection and it requires Cooling FN for proper operation.
Q: What is the protection rating of the MSK071E-0450-NN-S2-UG2-RNNN servomotor?
A: This motor is rated with protection class IP65, offering complete dust protection and resistance to low-pressure water jets.
