R43GENA-R2-NS-NV-02

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The R43GENA-R2-NS-NV-02 servomotor offers continuous stall torque ranging from 33 to 64 lb-in, a peak torque between 135 to 270 lb-in, and conforms to NEMA MG1-1.26 along with IP65 waterproofing standards. Part of the R Servomotors series by Pacific Scientific, it weighs 15 to 25 lbs.

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Product Description:

Pacific Scientific's R series provides the R43GENA-R2-NS-NV-02 as a high-performance AC servo motor. It has a 4.25-inch square frame that includes G winding and a frameless resolver for primary feedback. The product caters to dynamic systems by enabling precise control with smooth operation in industrial applications

The R43GENA-R2-NS-NV-02 servomotor generates from 33 to 64 lb-in (3.7 to 7.2 Nm) stall torque continuously. It provides peak torque power between 135 to 270 lb-in (15.2 to 30.5 Nm). The electrical behavior of this AC servomotor reveals that its inductance spans from 53 to 6.2 mH. Its resistance measures from 10.0 to 3.2 ohms while cold then rises to 15.1 to 4.8 ohms upon heating. The motor operates under continuous stall conditions using a current range of 3.5 to 13.5 A. It can withstand peak currents between 27 to 106 A. The R43GENA-R2-NS-NV-02 servomotor operates within a torque constant interval of 1.22 to 0.61 Nm/A. However, its voltage constant remains within this range at 1.22 to 0.61 V/rad/sec. The thermal properties include thermal resistance levels from 0.52 to 0.72 °C/Watt together. It has thermal time constant durations from 19 to 35 minutes.

The R43GENA-R2-NS-NV-02 servomotor demonstrates an inertia measurement ranging from 0.0018 to 0.0034 lb-in·sec² together. It also has a static friction resistance between 0.26 to 0.39 lb-in. The range of viscous damping coefficient extends from 0.10 to 0.17 lb-in/Krpm. The hardware weight of the motor ranges from 15 to 25 pounds equivalent to 6.8 to 11.3 kilograms. The NEMA MG1-1.26 together with IP65 standards guarantee the motor operates effectively in multiple industrial settings. The IP65 rating indicates strong dust resistance and protection from low-pressure water jets. It enables its application in both outdoor usage and industrial areas that remain dry.

Continuous Stall Current
3.5 to 13.5 A
Continuous Stall Torque
33 to 64 lb-in (3.7 to 7.2 Nm)
Electrical Inductance (line-to-line)
53 to 6.2 mH
Electrical Resistance (line-to-line)
10.0 to 3.2 Ohms cold, 15.1 to 4.8 Ohms hot
Inertia (motor Only)
.0018 to .0034 lb-in sec^2 (0.20 to 0.38 kgm^2 x 10^-3)
Motor Waterproofing
Conforms to NEMA MG1-1.26 and IP65 standards
Peak Torque
135 to 270 lb-in (15.2 to 30.5 Nm)
Peak Torque Current
27 to 106 A
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 (line-to-line)
1.22 to 0.61 Nm/A
Viscous Damping Coefficient
0.10 to 0.17 lb-in/Krpm (0.011 to 0.019 Nm/Krpm)
Voltage Constant (line-to-line)
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 R43GENA-R2-NS-NV-02:

Q: How does the resolver benefit R43GENA-R2-NS-NV-02 performance?

A: The resolver in the R43GENA-R2-NS-NV-02 provides precise position feedback, essential for accurate motor control and superior dynamic response.

Q: What does IP65 rating imply for R43GENA-R2-NS-NV-02?

A: The IP65 rating on the R43GENA-R2-NS-NV-02 ensures it is dust-tight and protected against low-pressure water jets. This makes it suitable for harsh environmental conditions.

Q: What is the significance of NEMA MG1-1.26 for R43GENA-R2-NS-NV-02?

A: NEMA MG1-1.26 compliance ensures that the R43GENA-R2-NS-NV-02 motor meets rigorous mechanical and performance standards for industrial applications.

Q: How does peak current affect R43GENA-R2-NS-NV-02's performance?

A: Peak currents up to 106 A enable the R43GENA-R2-NS-NV-02 to handle sudden increases in load, providing flexibility and resilience in demanding operations.

Q: Why does R43GENA-R2-NS-NV-02 have a square frame design?

A: The square frame of the R43GENA-R2-NS-NV-02 enhances its mechanical integrity and facilitates easier installation in space-constrained applications.


Internal Product Review

  • ‘‘Pacific Scientific's R43GENA-R2-NS-NV-02 excels in industrial settings with its frameless resolver and resistance range of 10.0 to 3.2 ohms. It has thermal resistance up to 0.72 °C/Watt and a continuous current range of 3.5 to 13.5 A. This guarantees reliable and efficient performance.’’

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