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M21NSXD-LNN-NS-02 by Pacific Scientific

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The Pacific Scientific POWERMAX II M Series motors with SIGMAX technology represent some of the most powerful steppers available. These 2-phase NEMA 23 sized hybrid stepper motors offer high torque per motor size, ranging from 0.67 to 1.79 N-m (95 to 253 oz-in) nominal holding torque, and speeds up to 3,000 rpm. They feature a polymer encapsulated stator for excellent thermal dissipation and a polymer end bell with threaded inserts, enhancing cooling efficiency and providing flexibility for mounting encoders and brakes. Exposed laminations further improve thermal dissipation, contributing to longer motor life.

Technical Specifications

Encoder Option
None (NS)

Frame Size
NEMA 23 (2.3 inches diameter)

Frequency
60 Hz

Motor Length
52.3 mm (2.06 inches)

Mounting Configuration
Heavy Duty NEMA

Operating Voltage
120V AC

Rated Torque
Approx. 0.55-0.78 Nm

Rotor Type
Laminated

Shaft Configuration
Single Shaft (N)

Standard Shaft Diameter
6.35 mm (0.25 inches)

Standard Shaft Length
25.20 mm (0.99 inch max)

Step Motor Accuracy
Typical angular accuracy ±5%

Step Motor Connection
4-lead (Bipolar) or 6-lead (Unipolar)

Torque Range
79-111 oz-in (0.55-0.78 Nm)

Weight
Approx. 5.5 lbs (2.5 kg)

Click here for product datasheet

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