M22NSLB-JDS-NS-02 Pacific Scientific NEMA 23 Double Shaft Stepper Motor
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The Pacific Scientific M22NSLB-JDS-NS-02 is a stepper motor from the POWERMAX II M Motors series with an enhanced construction type and NEMA 23 frame size. It features a double shaft configuration, low inertia rotor, and a step angle of 1.8 degrees, providing 200 steps per revolution with step accuracy of plus or minus 1.5 percent. The motor has Class B insulation rated for 130 degrees Celsius and operates with 2 phases and 4 lead series connections.
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Product Description:
The M22NSLB-JDS-NS-02 is a hybrid stepper motor produced by Pacific Scientific within the POWERMAX II M Motors series. Supplied in a NEMA mounting format, this motor converts digital command pulses into discrete angular movement for indexing, conveying, or light machining axes in industrial automation. Its enhanced magnetic circuit and double-ended shaft support couplings or auxiliary devices while maintaining a compact profile. Because it is a hybrid stepper design, the motor is suited to applications that need repeatable incremental motion with straightforward pulse-based control. This makes it suitable for compact equipment where mounting space is limited.
Each full step covers 1.8 degrees, and with 200 mechanical steps per revolution, the rotor provides consistent resolution without microstepping. Actual step placement has a tolerance of ±1.5%, which helps limit cumulative position error during repeated indexing moves. The motor uses a two-phase winding, and the stator has 2 energized phases wound to pattern B and brought out through a four-lead series connection for bipolar drive wiring. A square NEMA 23 frame that measures 2.25 in. wide supports use with common brackets, while a dual-stack lamination core increases torque density. Thermal integrity is supported by insulation rated to Class B, 130°C, which helps protect the winding system as case temperature rises during cyclic duty.
The rotor uses a low inertia design, allowing rapid acceleration so high pulse rates can be tracked with reduced overshoot. Electrical isolation is supported by an insulation resistance of 100 Megohms and a dielectric limit of 340 VDC between the windings and frame, which helps protect the motor in grounded machine assemblies. Continuous service is permitted in ambient air from -20°C to +40°C, matching typical factory conditions. The enhanced construction improves magnetic saturation while keeping the overall length moderate, and the double-ended shaft allows one end to drive the load while the opposite end can accept a manual jog wheel or secondary coupling. No feedback device is fitted, so position control depends on commanded step pulses rather than encoder signals.
Frequently Asked Questions about M22NSLB-JDS-NS-02:
Q: What type of shaft configuration does the M22NSLB-JDS-NS-02 motor feature?
A: The M22NSLB-JDS-NS-02 uses a double shaft configuration for added mounting flexibility.
Q: What is the step angle and number of steps per revolution for the M22NSLB-JDS-NS-02 motor?
A: This model operates with a step angle of 1.8 degrees per step, providing 200 steps per full revolution.
Q: What are the frame size and mounting style for the M22NSLB-JDS-NS-02 stepper motor?
A: The M22NSLB-JDS-NS-02 stepper motor is built with NEMA 23 mounting style and a frame width of 2.25 inches, making it compatible with standard NEMA installations.
Q: Does the M22NSLB-JDS-NS-02 motor include a feedback encoder?
A: The M22NSLB-JDS-NS-02 does not have any feedback encoder option included.
Q: How many phases and connection leads does the M22NSLB-JDS-NS-02 have?
A: This motor has a phase count of 2 and utilizes 4 lead connections for its electrical wiring.
