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NSM4220 by Kollmorgen

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The NSM4220 is a brushless servo motor by Kollmorgen in the NSM Brushless Servo Motors series. It delivers a continuous torque of 2.5 Nm and peaks at 7.1 Nm. The motor reaches 6000 RPM, features a winding resistance of 0.77 Ohm and inductance of 2.9 mH, and supports radial loads up to 146 lb at 500 RPM. Weighing 5.9 kg, it is engineered for demanding industrial automation applications.

Technical Specifications

Back Emf Constant (ke)
34 V/kRPM
Continuous Torque
2.5 Nm (22 lb-in)
Max Continuous Operation Speed
6000 RPM
Peak Torque
7.1 Nm (63 lb-in)
Radial Load (1000 Rpm)
116 lb (52 kg)
Radial Load (2000 Rpm)
92 lb (41 kg)
Radial Load (3000 Rpm)
80 lb (36 kg)
Radial Load (4000 Rpm)
73 lb (33 kg)
Radial Load (500 Rpm)
146 lb (66 kg)
Radial Load (5000 Rpm)
68 lb (31 kg)
Rotor Inertia
0.00035 kg-m² (0.0031 lb-in-s²)
Torque Constant (kt)
0.28 Nm/Amp
Weight
5.9 kg (13.0 lb)
Winding Inductance
2.9 mH
Winding Resistance
0.77 ohm

Click here for product datasheet

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