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    Nema 23 Bipolar Stepper Motor, 2A, 1.8 degree, 4 wires

    Low price and high quality Nema 23 bipolar stepper motor, phase current 2A and resistance 1.3Ω, 0.65Nm holding torque, 1.8 deg. step angle (200 steps/rev), body in 46mm, manufacturer direct sale.
    SKU: ATO246-2004A

    Nema 23 bipolar Stepper motor, 0.65Nm in 46mm, 1.8 degree, 2 phase 4 wires, manufacturer direct sale.


    Basics Model ATO246-1004A
    Holding torque 0.65Nm
    Current/phase 2A
    Resistance 1.3Ω
    Step angle 1.8°
    Rotor inertia 120g.cm²
    Weight 0.5kg
    Length 46mm
    Motor leads 4
    Technical parameters Step Angle Accuracy ±5%(full step, no load)
    Resistance Accuracy ±10%
    Inductance Accuracy ±20%
    Temperature Rise 80℃ Max.(rated current, 2 phase on)
    Ambient Temperature -10℃~+ 50℃
    Insulation Resistance 100MΩ Min 500V DC
    Dielectric Strength 500V AC for one minute
    Shaft Radial Play 0.06Max.(450g)
    Shaft Axial Play 0.08Max.(450g)


    Dimension Nema 23 L41-76

    Motor Connection

    Motor connection

    Tips: Three factors should be paid attention to in selection of the stepper motor

    1. Stepping angle
      it is necessary to select the stepping angle of stepper motor according to the requirements of load precision. The least resolution ratio of the load is generally converted to the motor shaft, pay attention to the angle for each resolution ratio and the stepping angle of stepper motor should be equal to or smaller than the angle.
    2. Static torque
      Select the static torque according to the load of stepper motor while load can be divided into inertia and friction load. When directly starting the stepper motor (generally from the low to high velocity), the considerations into the two kinds of load are given. When starting the motor at acceleration, give considerations into the inertia load; when the motor rotates at constant velocity, only give considerations into the friction load. Generally, the static torque shall be within 2-3 times of the friction load.
    3. Current
      As for the stepper motors with the same static torque, there is great difference in their motion characteristics due to the difference in current parameters. The current of stepper motor can be judged according to the torque frequency characteristic curve diagram.
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