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M22NRFA-LNN-NS-00 by Pacific Scientific

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The Pacific Scientific M22NRFA-LNN-NS-00 is a precision NEMA 23 frame motor in the POWERMAX II M Motors series. It delivers 178-252 oz-in torque at 4.5A rated current, featuring 0.018 ohm phase resistance and 2.5 mH inductance. Thermal management is ensured by 1.13 °C/W resistance. With 0.55 oz-in-s² rotor inertia and a -40 to +40 °C operating range, this robust 1.13 kg device suits industrial automation applications.

Technical Specifications

Connection Options
Available with lead wires, terminal board or MS connectors
Dimensions
L Max = 3.10 inches (78.7 mm)
Electrical Inductance
2.5 mH
Mounting Frame
NEMA 23
Operating Temperature Range
-40°C to +40°C without heat sink
Phase Resistance
0.018 ohms
Rated Current
4.5A
Rotor Configuration
2 rotor stack (SIGMAX)
Rotor Inertia
0.55 oz-in-s² (1.42 x 10?³ kgm²)
Shaft Diameter
0.250 +/- 0.005 inches (6.35 mm)
Shaft Length
1.625 +/- .02 inches (41.28 mm)
Thermal Resistance
1.13°C/watt
Torque
178-252 oz-in (1.26-1.78 Nm)
Weight
2.5 lbs (1.13 kg)
Winding Insulation
Class B (130°C max winding temperature)

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1620 Old Apex Road, Cary, NC 27513, USA

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