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R21GMNA-HS-LB-NV-02 by Pacific Scientific

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The Pacific Scientific R21GMNA-HS-LB-NV-02 is a high-performance brushless servomotor from the R Servomotors series, offering a continuous stall torque of 1.3 Nm and a peak torque of 3.70 Nm. It features thermal resistance of 0.93 C/W, a thermal time constant of 20 min, weighs 2.5 kg, and includes MS connectors, a 1000 ppr encoder, and delivers reduced EMI with no brush arcing for reliable industrial automation.

Technical Specifications

Continuous Stall Current
2.5 ARMS
Continuous Stall Torque
1.3 Nm (11.5 lb-in)
Current At Peak Torque
7.3 ARMS
Inductance (line-to-line)
23.0 mH
Inertia
0.071 kgm^2 x 10^-3 (0.63 lb-in-sec^2 x 10^-3)
Peak Torque
3.70 Nm (32.8 lb-in)
Resistance (line-to-line)
7.3 Ohms
Static Friction (max)
0.03 Nm (0.23 lb-in)
Thermal Resistance
0.93 deg. C/Watt
Thermal Time Constant
20.0 min
Torque Constant (rms)
0.6 Nm/ARMS (5.3 lb-in/ARMS)
Typical Rated Speed @ 240v Ac, 320v Dc Bus
4,500 RPM
Viscous Damping Coefficient
0.005 Nm/kRPM (0.04 lb-in/kRPM)
Voltage Constant (rms)
0.36 VRMS/rad/sec (37.7 VRMS/kRPM)
Weight (motor Only)
2.5 kg (5.5 lbs)

Click here for product datasheet

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