M22NSXC-LNN-NS-02 Pacific Scientific
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The Pacific Scientific M22NSXC-LNN-NS-02 is a 2-phase hybrid stepper motor from the POWERMAX II M Motors series. It features a NEMA 23 frame size, holds a torque of 1.68 Nm, and operates with a rated current per phase of 3.1 Amps. This motor has insulation class B rated at 130°C, an insulation voltage rating of 340 Vdc, and step accuracy of plus or minus 1.5 percent.
Internal Product Review
The M22NSXC-LNN-NS-02 is a 2-phase hybrid stepper motor with a NEMA 23 frame. A 1.8-degree step angle and ±1.5% step accuracy support clean indexing and consistent positioning in motion applications. Rated current of 3.1 A and holding torque of 1.68 Nm make the unit a strong choice for stable stepper performance.
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Product Description:
The M22NSXC-LNN-NS-02 stepper motor is produced by Pacific Scientific as part of the POWERMAX II M Motors series. This two-phase hybrid unit converts drive pulses into incremental rotary motion for indexing tables, pick-and-place axes, and other open-loop positioning tasks in industrial automation. Its enhanced design, NEMA mounting pattern, and receptacle termination allow straightforward integration with modular motion stages and compatible drive amplifiers. The motor uses two magnetic stacks and winding type C to provide the required torque while maintaining a step accuracy of ±1.5%. Class B insulation is rated to 130 °C, and an insulation resistance of 100 megohms protects the windings during extended operating cycles.
The frame conforms to the NEMA 23 envelope, so the motor face measures 2.3 inches square and fits common gearheads and mounting brackets. At stall, the rotor can sustain a holding torque of 1.68 Nm when the rated phase current is applied, providing stable position retention without a separate brake. Each phase operates at 3.1 A, allowing a compatible stepper drive to energize the windings properly. The copper windings have a phase resistance of 1.56 Ω, which affects current flow and heat generation during operation. The phase inductance is 3.1 mH, influencing the rate of current change as speed and pulse frequency increase. The enhanced design also helps the motor tolerate vibration encountered in automated machinery.
The motor has a standard rotor with a single smooth shaft, simplifying alignment with clamping couplers and similar transmission components. Each full step advances by a nominal 1.8 degrees, resulting in 200 full-step positions per revolution for incremental motion control. The permitted operating temperature range is -20 °C to +40 °C, supporting use in typical industrial environments. The insulation system withstands up to 340 VDC between the windings and frame, providing electrical separation for systems that use high DC bus voltages. A receptacle on the housing provides the motor power connections and permits convenient cable attachment. No encoder feedback is included, so the controller determines movement from the commanded step sequence rather than a measured rotor position.
