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    4-wire Nema 23 Stepper Motor, 2 phase, 3A, 1.8 degree

    $40.46
    Low cost Nema 23 bipolar stepper motor with 1.8 deg. step angle(200 steps/rev). Phase current 3A and holding torque 0.8Nm. 100% brand new and manufacturer direct sale.
    SKU: ATO251-3004A

    Nema 23 bipolar Stepper motor, 0.8Nm in 51mm, 1.8 degree, manufacturer direct sale.

    Specification

    Basics Model ATO251-3004A
    Holding torque 0.8Nm
    Current/phase 3A
    Resistance 0.7Ω
    Step angle 1.8°
    Rotor inertia 160g.cm²
    Weight 0.55 kg
    Length 51mm
    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)

    Dimensions

    Dimension Nema 23 L41-76

    Motor Connection

    Motor connection

    Tips: Precautions in the usage of stepper motor

    1. The stepper motor is applicable to the low-velocity occasion. That is, the rotational velocity per minute doesn’t exceed 1000 rotations. It’s better to use it within 150-450rpm, during which it can work through reducer. At this time, the working efficiency of the motor is high and noise is low.
    2. It’s better not to use the stepper motor at synchronizing state. When it is used at synchronizing state, the vibration is large.
    3. Except 12V for the motor with marked voltage of 12V, other voltage value of the motor is not the drive voltage value. The drive voltage can be selected according to the driver. Other drive power also can be used with voltage of 12V except 12V constant voltage drive, but it is necessary to give considerations into temperature rise.
    4. As for the load with large rotational inertia, it is necessary to choose motor with large chassis.
    5. At high velocity or large inertia load, the motor is not generally started at working speed, while the motor will rotate at acceleration gradually thus the out of step will not occur. Besides, the noise can be mitigated and positioning precision of stop can be improved.
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