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R43HMNA-R2-NS-NV-00 by Pacific Scientific

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The Pacific Scientific R series servomotors are available in five frame sizes ranging from 2 to 7.5 square inches, offering a wide continuous torque range from 0.32 to 50 Nm. Known for their exceptional inertia torque ratios, these servomotors are engineered to excel in dynamic applications within the automation industry. They are available in both metric and NEMA standards, subdivided into models R20, R30, R40, R60, and R80. Utilizing Samarium Cobalt magnets, these motors ensure smooth operation across all speed ranges, making them suitable for demanding industrial environments.

Technical Specifications

Continuous Stall Current
3.5 to 13.5 A
Continuous Stall Torque
33 to 64 lb-in (3.7 to 7.2 Nm)
Encoder Option
N-Series Available
Frame Type
NEMA 56C, UL Recognized
Inductance (line-line)
4.9 to 53 mH
Motor Inertia
0.0018 to 0.0034 lb-in·sec²
Motor Inertia (SI)
0.20 to 0.38×10?³ kg·m²
Motor Sealing
NEMA MG1-1.26 part E; IP65
Motor Weight
15 to 25 lbs (6.8 to 11.3 kg)
Peak Torque
135 to 270 lb-in (15.2 to 30.5 Nm)
Resistance (line-line)
0.81 to 10.0 ?
Static Friction (max.)
0.26 to 0.39 lb-in (0.029 to 0.044 Nm)
Thermal Resistance
0.52 to 0.72 °C/W
Thermal Time Constant
19 to 35 min
Torque Constant (line-line)
5.4 to 10.8 lb-in/A (0.61 to 1.22 Nm/A)
Voltage Constant (line-line)
64 to 128 V/Krpm (0.61 to 1.22 V/rad/s)

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