R45GMBA-R2-NS-NV-00

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The Pacific Scientific R45GMBA-R2-NS-NV-00 servomotor is part of the R Servomotors series and boasts a continuous stall torque of 33 to 64 lb-in. It offers a peak torque of 135 to 270 lb-in and weighs between 15 and 25 lbs. The motor's inductance ranges from 53 to 6.2 mH while its thermal resistance is 0.52 to 0.72 °C/W.

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Product Description:

The R45GMBA-R2-NS-NV-00, coming from the Pacific Scientific, is a component of the R Servomotors Category and is 01 industrial automation motor (brushless by construction) capable of reliable performance. The Pacific Scientific motor, with the Product Identity Code R45GMBA-R2-NS-NV-00, has a max torque spectrum of 135 - 270 lb-in (15.2 - 30.5 Nm). Moreover, this Pacific Scientific motor also provides smooth execution with a power conversion voltage constant of 128-64 V/Krpm (revolutions per minute) and a torque constant value of 10.8- 5.4 lb-in/A (Amperes). In addition to permitting incredible precision for rugged environments, this Pacific Scientific motor ensures complete and full compliance with NEMA MG1-1.26 and IP65 servomotor waterproofing (excluding the shaft) standards, providing means for washdown settings. However, for longer service, it is suggested that the area surrounding the motor be cleaned on a regular basis. Any build-up of debris, and oil particles can negatively impact the performance. And in worse cases, clog the internal blades of the motor. For enhanced protection, an optional shaft seal is available but requires periodic lubrication (to fend of wear and tear) to retain over extensive use.

Furthermore, the integration of primary and secondary feedback devices as well as optional holding brakes enhances its performance as well as its service life. Moreover, Pacific Scientific MS-type connectors enable effortless system integration and operation. Hence, this module is ideal for X-Y tables, coil winders, automated fastening, wafer spinners, linear actuators, packaging machinery, drill spindles, mail handling, wire bonders, and robotics. It can also be utilized for modern-era manufacturing needs.

Continuous Stall Current
3.5 to 13.4 A
Continuous Stall Torque
33 to 64 lb-in (3.7 to 7.2 Nm)
Current At Peak Torque
27 to 106 A
Inductance (line-line)
53 to 6.2 mH
Inertia (motor Only)
0.0018 to 0.0034 lb-in.-sec² (0.20 to 0.38 kgm² x 10⁻³)
Peak Torque
135 to 270 lb-in (15.2 to 30.5 Nm)
Resistance (line-line, Cold)
10 to 0.81 Ohms
Resistance (line-line, Hot)
15.1 to 1.4 Ohms
Static Friction (max.)
0.26 to 0.39 lb-in (0.029 to 0.044 Nm)
Thermal Resistance
0.52 to 0.72 °C/Watt
Thermal Time Constant
19 to 35 minutes
Torque Constant (peak)
10.8 lb-in/A to 5.4 Nm/A
Viscous Damping Coefficient
0.10 to 0.17 lb-in./Krpm (0.011 to 0.019 Nm/Krpm)
Voltage Constant (line-line, Peak)
128 to 64 V/Krpm or 1.22 to 0.61 V/rad/sec
Weight (motor Only)
15 to 25 lbs (6.8 to 11.3 kg)

Frequently Asked Questions about R45GMBA-R2-NS-NV-00:

Q: What is the continuous stall torque range of the R45GMBA-R2-NS-NV-00 motor?

A: The continuous stall torque ranges from 33 to 64 lb-in (3.7 to 7.2 Nm), depending on the motor configuration.

Q: What is the peak torque capability of the R45GMBA-R2-NS-NV-00 motor?

A: The motor can deliver a peak torque between 135 and 270 lb-in (15.2 to 30.5 Nm), allowing it to handle short bursts of high torque demand.

Q: What is the motor inertia of the R45GMBA-R2-NS-NV-00?

A: The motor's inertia varies from 0.0018 to 0.0034 lb-in-sec² (0.20 to 0.38 × 10⁻³ kg·m²), influencing its acceleration and dynamic performance.

Q: What is the maximum static friction of the R45GMBA-R2-NS-NV-00 motor?

A: The maximum static friction ranges between 0.26 and 0.39 lb-in (0.029 to 0.044 Nm), which affects the torque required to initiate movement.

Q: What is the thermal resistance of the R45GMBA-R2-NS-NV-00 motor?

A: The thermal resistance varies from 0.52 to 0.72 °C/Watt, indicating the motor’s efficiency in dissipating heat during operation.


Internal Product Review

  • ‘‘A sturdy servomotor, the R45GMBA-R2-NS-NV-00 has a constant stall torque range of 33 to 64 lb-in. It weights 15 to 25 pounds and is produced by Pacific Scientific as a member of their R Servomotors series. This motor has a thermal time constant of 19 to 35 minutes and can provide a maximum torque of 135 to 270 lb-in.’’

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