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4VM81-220-6 by Pacific Scientific

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The Pacific Scientific 2VM Low Inertia PMDC (Permanent Magnet DC) Servomotor Series utilizes Alnico V-7 as its magnet material. It features a continuous Rated Current ranging from 3.1 to 5.7 A and operates with a Rated Voltage of 18 to 36 V. As a PMDC motor, it employs permanent magnets in the stator to generate the magnetic field, eliminating the need for stator windings. Cooling options for these motors depend on specific PacSci models. Tachometers and optical encoders are additional accessories that typically need to be sourced separately. These motors are an excellent choice for various automation motor applications.

Technical Specifications

Back Emf Constant
4.29 V/kRPM

Continuous Power Dissipation
275 Watts

Continuous Stall Torque
0.586 Nm

Electrical Time Constant
0.13 ms

Mechanical Time Constant
1.7 ms

Pulse Current (max)
46 Amps

Rated Current
15.2 Amps

Rated Power Output
181 Watts

Rated Speed
3100 RPM

Rated Torque
0.56 Nm

Rated Voltage
30 Volts

Rotor Inductance
110 microhenries

Thermal Resistance
0.47 °C/W

Torque Constant
0.041 Nm/Amp

Viscous Damping Coefficient
0.005 Nm/kRPM

Click here for product datasheet

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