MSK071E-0300-NN-M1-AG2-NNAN Bosch Rexroth Indramat
MPN: R911343945
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The Bosch Rexroth Indramat MSK071E-0300-NN-M1-AG2-NNAN is part of the MSK IndraDyn S Synchronous Motors series and features a plain shaft with natural convection cooling. It provides a continuous torque of 23.0 Nm at 60k and a maximum torque of 84.0 Nm, and includes an electrically-released holding brake with 30 Nm torque. This servomotor uses an optical multiturn absolute encoder with Hiperface interface and has a maximum current rating of 56.3 A.
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Product Description:
The MSK071E-0300-NN-M1-AG2-NNAN is a synchronous servomotor manufactured by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. It is intended for positioning and velocity control on pick-and-place modules, packaging axes, and other automated machinery that demand precise torque delivery and feedback. A plain shaft couples directly to gearboxes or mechanical transmissions, and the power connector is located on the A-side to line up with standard cabinet layouts. Natural convection is the basic cooling mode, yet the catalog flags the model as “Requires Cooling FN,” so designers must verify ambient airflow when installing.
The electromagnetic ratings define continuous and peak operating limits. At 60 K winding rise the motor can supply 23.0 Nm of steady torque, while its overload ceiling reaches 84.0 Nm for short duty cycles. To achieve those values the drive may deliver up to 56.3 A of phase current; winding impedance components of 5.9 mH inductance and 0.79 Ohm resistance influence current ripple and heat generation. The 0.00290 kg·m² rotor inertia supports rapid acceleration without excessive servo gain. Winding code 0300 matches this electrical profile to drives in the 320 V DC bus class. Mechanical design follows a reduced run-out spec so radial deviation remains low during high-speed rotation. An optical Hiperface encoder provides multiturn absolute position with 128 signal periods per revolution for accurate closed-loop feedback.
An electrically released holding brake supplies 30 Nm of static torque to secure vertical loads when power is off. Its armature engages in 40 ms after voltage loss and fully releases within 270 ms once excitation is restored at 24 V, permitting quick restart cycles. Brake current is limited to 0.94 A, minimizing thermal buildup in continuous hold situations. The motor length code E keeps the overall package compact relative to its torque class, and the plain shaft simplifies coupling alignment inside tight machine frames.
Frequently Asked Questions about MSK071E-0300-NN-M1-AG2-NNAN:
Q: Does the MSK071E-0300-NN-M1-AG2-NNAN motor have a holding brake and what is its torque rating?
A: This model is equipped with an electrically-released holding brake rated at 30 Nm torque.
Q: What type of encoder does the MSK071E-0300-NN-M1-AG2-NNAN motor use for position feedback?
A: The MSK071E-0300-NN-M1-AG2-NNAN supports multiturn absolute position feedback using Hiperface optical encoder technology.
Q: What are the continuous and maximum torque ratings of the MSK071E-0300-NN-M1-AG2-NNAN?
A: This motor supports a maximum continuous torque of 23.0 Nm at 60K, with a peak torque of 84.0 Nm.
Q: How is the MSK071E-0300-NN-M1-AG2-NNAN motor cooled?
A: Cooling for this model is achieved through natural convection and requires Cooling FN.
Q: Where is the power connector located on the MSK071E-0300-NN-M1-AG2-NNAN?
A: The power connector for this model is positioned on the A-side.
