M21NSXC-JDN-NS-02 Pacific Scientific
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The Pacific Scientific M21NSXC-JDN-NS-02 is part of the POWERMAX II M Motors series and features a NEMA 23 frame size with NEMA mounting style. This enhanced construction motor has a low inertia rotor, class B insulation with a 130°C rating, and operates with a step angle of 1.8 degrees. It includes a double, smooth shaft configuration and is rated for operating temperatures from -20°C to +40°C.
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Product Description:
The M21NSXC-JDN-NS-02 stepper motor is produced by Pacific Scientific as part of the POWERMAX II M Motors series. This single-stack motor uses enhanced construction and is intended for precise positioning tasks in industrial automation where open-loop motion is acceptable. Its standardized mounting interface supports direct connection to many gearheads and linear stages, allowing electrical pulse trains to produce incremental rotary motion. The motor is suitable for indexing tables, compact conveyors, pick-and-place equipment, and light machine tools that do not require real-time position feedback.
The frame size is NEMA 23, and each electrical pulse advances the shaft by 1.8 degrees, providing 200 steps per revolution. Positional repeatability is maintained within ±1.5%, allowing consistent indexing during repeated motion cycles. The motor operates without encoder feedback, so the connected drive controls position by tracking the commanded pulse count. A low-inertia rotor reduces settling time after each movement, which benefits rapid start-and-stop duty cycles. Winding type C accommodates drives that supply the required current and voltage profile for the motor. A receptacle connection provides convenient plug-in wiring during equipment assembly. The smooth, double-ended shaft can connect to belts, pulleys, handwheels, or position sensors while transferring motion from either end.
The insulation system is rated at Class B, 130 °C, helping protect the windings from heat generated during continuous operation. The motor has an insulation resistance of 100 megohms, which limits leakage current between electrically isolated components. Its insulation can withstand 340 VDC, providing dielectric protection under the stated electrical conditions. Continuous operation is permitted across an ambient temperature range of -20 °C to +40 °C. The shaft machining reduces wear at mating surfaces, while the rotor design helps limit torsional resonance during acceleration and deceleration. When one shaft end drives the load, the opposite end can accommodate an auxiliary mechanical device without interfering with the primary coupling.
Frequently Asked Questions about M21NSXC-JDN-NS-02:
Q: What type of shaft does the M21NSXC-JDN-NS-02 motor feature?
A: The M21NSXC-JDN-NS-02 uses a smooth double shaft configuration.
Q: Does the M21NSXC-JDN-NS-02 motor provide feedback?
A: This model has no feedback capability as it does not include an encoder.
Q: What is the step angle of the M21NSXC-JDN-NS-02 motor?
A: The step angle is set at 1.8 degrees, resulting in 200 steps per revolution.
Q: What type of rotor is used in the M21NSXC-JDN-NS-02 motor?
A: The rotor is designed with low inertia for improved dynamic performance.
Q: What is the operating temperature range of the M21NSXC-JDN-NS-02?
A: Operating temperature range for this model is from -20°C to +40°C.
