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    Nema 23 Stepper Motor, 4.2A, 1.8 degree, 2 phase 4 wires

    Favorable price Nema 23 stepper motor, 3.0Nm holding torque, 4.2A phase current, 1.8 deg. step angle(200 steps/revolution), high quality and manufacturer direct sale.
    SKU: ATO-STEP-21002305
    30-day Returns
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    Delivery date: 6-12 days

    Nema 23 Stepper motor, 3.0Nm in 111mm, 1.8 degree, manufacturer direct sale.


    Electrical Specification Model ATO57STH111-4004
    Matched Driver Model ATODSP57(Click it to see more info)
    Step Angle 1.8°
    Holding Torque 3.0Nm
    Rated Current/phase 4.2A
    Phase Resistance 0.9Ω
    Inductance 3.8mH
    Rotor Inertia 800g-cm2
    Physical Specification Frame Size 57 x 57mm
    Length 111mm
    Shaft Diameter Φ6.35mm
    Shaft Length 19mm
    Motor Leads 4
    Weight 1.4kg
    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=111mm

    Wiring Diagram

    NEMA 23 hybrid stepper motor wiring diagramTips: Solutions to interference of stepper motor

    1. Install power filter to reduce the contamination of AC power.
    2. Based on the principle of “single-point-earthing”, connect all the following earthing lines or something else to the earthing rod on wall of chassis, including grounding wire of power filter and stepper driver PE (the baseboard of driver and chassis should be insulated.), control pulse and direction pulse DIR-outgoing lines of short circuit, motor earthing line, cable protecting cover between driver and motor and shielded wire of driver, and good contact should be realized.
    3. Lengthen the distance between control line, power line (L and N) and motor drive line (U, V and W) to avoid crossing. For example, when dealing with the driver installation site of two drivers of the same chassis in the double-shaft system, put the nameplate of one driver forward and that of the other backward, and shorten the leads as far as possible when making structural arrangement.
    4. Reduce the external interference in power line with the shielded line or the interference of power line in external world.
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