MS2N07-D0BHN-BMUH0-NNNNN-NN

MPN: R911387778

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The MS2N07-D0BHN-BMUH0-NNNNN-NN from Bosch Rexroth Indramat is a part of the MS2N Synchronous Servo Motors series, featuring flange mounting and a rated torque of 4.3 Nm. It operates with a rated voltage of 400V, a rated power of 1.22 kW, and is equipped with a multiturn absolute encoder. The motor offers IP65 protection.

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Product Description:

The synchronous motor MS2N07-D0BHN-BMUH0-NNNNN-NN is an AC 400 V unit made by Bosch Rexroth> that is designed to be used in robotics and automation systems. It operates with 5 pole pairs of permanent magnet technology for providing precise torque and speed control. This motor includes a low angular inertia rotor whose value is 0.0021 kg·m² to respond dynamically to high accelerations.

The < provides a rated torque of 22.0 Nm and draws a rated current of 8.85 A. Its peak torque capacity reaches 79.7 Nm at 20°C and its maximum current utilization is rated as 36.4 A. The motor’s peak electrical speed is 4000 r/min and its rated power is 4.6 kW at the nominal operating point. It features a HIPERFACE® encoder system with 128 signal periods per revolution for offering high accuracy for precise control and it offers SIL2/PL d functional safety for applications in safety-critical environments. This MS2N07 servo motor does not comes with a holding brake and it operates with IC410 self-cooling mechanism. It has an IP64 protection rating for dust and moisture resistance. The unit has a voltage constant of 167.5 V/1000 rpm and a winding resistance of 1.30 Ω at 20°C. Its winding inductance is specified as 20.2 mH and the leakage capacitance is measured as 4.1 nF.

The MS2N07-D0BHN-BMUH0-NNNNN-NN synchronous motor features high torque constants of 2.76 Nm/A that allows superior efficiency and performance. It possesses a smooth, without seal shaft that rotates through the equipped standard bearings. The motor connects to power mains via the provided double cable connection through M23 and M17 connectors. Its winding thermal time constant is 54.0 seconds and the motor heat dissipation constant is 18.7 minutes.

Connection
Connector rotatable
Cooling Mode
Natural convection (standard, UN)
Encoder
Multiturn/Absolute encoder
Leakage capacitance
4.1 nF
Motor Type
MS2N07 series
Mounting
Flange mounting
Protection Class
IP65
Rated Power
1.22 kW
Rated Torque
4.3 Nm
Rated Voltage
400 V
Rotor angular inertia
0.0021 kg·m²
Torque constant
2.76 Nm/A
Voltage constant
167.5 V/1000 rpm
Winding inductance
20.2 mH
Winding thermal time constant
54.0 s
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Frequently Asked Questions about MS2N07-D0BHN-BMUH0-NNNNN-NN:

Q: How does the HIPERFACE® encoder improve performance in the MS2N07-D0BHN-BMUH0-NNNNN-NN motor?

A: The encoder provides 128 signal periods per revolution, enabling high-resolution feedback that ensures smoother motion profiles and more precise synchronization in automation systems.

Q: Why is the rotor’s low angular inertia of 0.0021 kg·m² important?

A: A low inertia rotor allows faster acceleration and deceleration, making the motor ideal for dynamic tasks like pick-and-place robotics and responsive automation sequences.

Q: What role does the SIL2/PL d safety rating serve in this motor?

A: It ensures compliance with functional safety standards, allowing the MS2N07 motor to be integrated into safety-critical automation where risk reduction is mandatory.

Q: How does the winding inductance of 20.2 mH benefit the MS2N07-D0BHN-BMUH0-NNNNN-NN?

A: The higher inductance helps reduce current ripple in drive systems, resulting in smoother torque delivery and improved motor efficiency under varying load conditions.

Q: How does IC410 self-cooling impact long-term performance of the motor?

A: The IC410 self-cooling eliminates the need for external fans, reducing mechanical complexity while maintaining stable operating temperatures during continuous-duty operation.


Internal Product Review

  • ‘‘The MS2N07-D0BHN-BMUH0-NNNNN-NN is a synchronous motor engineered to provide a rated torque of 22.0 Nm and features an IP64-rated enclosure for reliable operation. It is widely applied in high-precision robotic arms and automated machining systems requiring accurate torque response.’’

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