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    Nema 17 Stepper Motor, 2 Phase, 1.5A, 28N·cm

    Low price small Nema 17 hybrid stepper motor for sale, 2 phase 4 wire lead, 1.5A, holding torque at 28N·cm, step angle 1.8 degree, motor length 34mm, small size, high quality and high precision for CNC machine, sewing machine and electronic equipment.
    SKU: ATO-STEP-17X150
    Free Shipping Worldwide
    Delivery date: 6-12 days

    Bipolar two phase mini stepper motor with 5mm motor shaft, is used for CNC router, 3D printer and other electronic machine.


    Model ATO-FY42ES150A
    Matched the Driver Model ATO-FYQM302A (Click it to see more info)
    Step Angle 1.8°
    Flanged Size 42 x 42mm (Nema 17)
    Motor Length 34mm
    Shaft Diameter 5mm
    Rated Current 1.5A
    Holding Torque 28 N·cm (0.28 N·m, 40
    Phase Resistance 2.4Ω
    Phase Inductance 2.8mH
    Rotor Inertia 34g·cm2
    Lead Wires 4 Wire
    Step Angle Accuracy ±5% (Full Step, No Load)
    Resistance Accuracy ±10% (20℃)
    Inductance Accuracy ±20% (1KHz)
    Temperature Rise 80℃ Max. (rated current, 2 phase on)
    Ambient Temperature -20℃~+50℃
    Insulation Resistance 100MΩ Min. 500VDC
    Dielectric Strength 1Min. 500VAC
    Shaft Radial Play 0.02Max. 450g Load
    Shaft Axial Play 0.08Max. 450g Load
    Radial Max. Load 28N
    Axial Max. Load 10N
    Weight 0.22kg
    Warranty Period 12 months
    Certificate CE, ROHs, FCC

    Dimensions (Unit: mm)


    Dimensions of Nema 17 2 Phase Hybrid Stepper Motor

    Shaft Type

    Shaft Type of nema 17 2 Phase Hybrid Stepper Motor

    Wiring Diagram

    Wiring Diagram of Nema 17 2 Phase Stepper Motor

    Speed-Torque Curve Diagram

    Speed Torque Curve Diagram of Nema 17 2 Phase Hybrid Stepper Motor

    Tips: Difference between stepper motor and AC servo motor

    The stepper motor is a discrete movement device, which is essentially related to modern digital control technology. With the advent of all-digital AC servo systems, AC servo motors are increasingly used in digital control systems. Although the two are similar in control mode, there are differences in performance and applications.

    • Different control accuracy
      The step angle of the 2 phase hybrid stepper motor is generally 3.6°, 1.8°, and some high-performance stepping motors have a smaller step angle. The control accuracy of the AC servo motor is guaranteed by the rotary encoder at the back of the motor shaft.
    • Different low frequency
      Stepper motors are prone to low-frequency vibration at low speeds. The vibration frequency is related to the load condition and the performance of the drive. It is generally considered that the vibration frequency is half of the no-load take-off frequency of the motor. The AC servo motor runs very smoothly, and there is no vibration even at low speeds.
    • Different moment frequency
      The output torque of the stepper motor decreases with the increase of the speed, and the maximum working speed is generally between 300 and 600 rpm. The AC servo motor has a constant torque output, that is, it can output a rated torque within its rated speed, and a constant power output above the rated speed.
    • Different operating performance
      The control of the stepper motor is an open loop control, and the AC servo drive system is a closed loop control. The driver can directly sample the feedback signal of the motor encoder. The position loop and the speed loop are formed internally. Generally, the stepping motor will not lose steps or overshoot. The phenomenon of rushing.
    • Different speed response performance
      It takes 200 to 400 milliseconds for a stepper motor to accelerate from a standstill to a working speed. The AC servo system can accelerate from a standstill to its rated speed of 3000 rpm in just a few milliseconds, and can be used in control situations that require fast start and stop.
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