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    Nema 23 Stepper Motor, 2.8A, 1.8 degree, 2 phase 4 wires

    $73.92
    2-phase 4-wire Nema 23 stepper motor, with 1.8 deg. step angle(200 steps/revolution). Each phase draws current 2.8A, allowing for a holding torque of 1.26Nm. Low price and high quality, direct sale by manufacturer.
    SKU: ATO-STEP-2802304
    Free Shipping Worldwide
    Delivery date: 6-12 days

    Nema 23 Stepper motor, 1.26Nm in 56mm, 1.8 degree, manufacturer direct sale.

    Specification

    Electrical Specification Model ATO57STH56-2804
    Step Angle 1.8°
    Holding Torque 1.26Nm
    Rated Current/phase 2.8A
    Phase Resistance 0.9Ω
    Inductance 2.5mH
    Rotor Inertia 280g-cm2
    Physical Specification Frame Size 57 x 57mm
    Length 56mm
    Shaft Diameter Φ6.35mm
    Shaft Length 19mm
    Motor Leads 4
    Weight 0.68kg
    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 -20℃~+50℃
    Insulation Resistance 100MΩ Min. 500VDC
    Dielectric Strength 500V AC for one minute
    Shaft Radial Play 0.02Max. 450g
    Shaft Axial Play 0.08Max. 450g
    Quality Assurance Warranty Period 12 months
    Certificate CE, ROHs, ISO/SGS9001

    Dimensions: (Unit=mm)

    NEMA 23 hybrid stepper motor dimensionsL Max=56mm

    Wiring Diagram

    NEMA 23 hybrid stepper motor wiring diagram

    Tips: How to solve the problem about heating of the stepper motor?

    1. Reducing heating of the motor means reducing copper and iron loss. There are two directions for reducing the copper loss, including reducing resistance and current. It is thus required to choose the motor with small resistance and rated current when selecting the motor. As for 2-phase motor, the parallel cannot be used if the series one could be used. However, it usually collides against the requirements of torque and high velocity.
    2. As for the selected motor, it is necessary to make full use of automatic semi-flow control and offline state functions of the stepper motor driver, as for former of which the current will be reduced when the motor is at static state while as for the latter of which the current is cut off.
    3. In addition, as the current waveform approaches the sine and has less harmonic wave, the heating of motor with subdivided driver is less. There are few methods or reducing the iron loss. It is related to the voltage grade. Though high voltage driver motor could lead to the rise in high speed characteristic, the increase in heating is also brought.
    4. It is necessary to choose drive motor with proper voltage grade, giving considerations into indexes such as stability, heating and noise, etc.
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