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    Nema 34 Stepper Motor bipolar, 3A, 1.8 degree, 2 phase 4 wires

    Cheap Nema 34 stepper motor with 1.8 degree step angle, 6.5Nm holding torque, 3A phase current and 100mm in size. Excellent quality and manufacturer direct sale.
    SKU: ATO-STEP-21003403
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Nema 34 bipolar Stepper motor, 6.5Nm in 100mm, 1.8 degree, manufacturer direct sale.


    Basics Model ATO2100-3004A
    Matched Driver Model ATODSP86(Click it to see more info)
    Holding torque 6.5Nm
    Current/phase 3A
    Resistance 1.7Ω
    Step angle 1.8°
    Rotor inertia 2500g.cm²
    Weight 3kg
    Length 100mm
    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)


    stepper motor dimension L60-120

    Motor Connection

    /Motor connection


    Nema 34 Stepper Motor,1.1A-8A Details

    Tips: Classification of stepper motor according to the phase number of stepper motor rotor

    According to the phase number of stepper motor, the stepper motor is divided into single-phase, 2-phase, 3-phase, 4-phase and 5-phase stepper motors, in which 2-phase stepper motor is most common and also the cheapest.
    Magnetic torque of single-phase stepper motor is only generated when the rotor current is transformed and its average torque is smaller a lot than that of 2-pahse stepper motor. Meanwhile, its response frequency is also very low. Its purpose is greatly limited. It only could run under light load of low pulse frequency, like clock, vehicle timer and water meter counter, etc.
    2-pahse stepper motor is the most common, featuring large usage quantity, cheap unit price and most sizes of flange. The typical stepping angle of 2-phase stepper motor is 1.8° and 0.9°, in which 1.8° is the most common. Without special reason, it is necessary to give priority in choosing 2-phase stepper motor as its unit price is cheap.
    3-phase stepper motor has advantage over rotational smoothness especially the smoothness of rotation at low velocity and controlling attenuation of torque at high velocity. The typical step angle of 3-phase stepper motor is 1.2°. Meanwhile, a few of step angle is 0.6°. The larger size of stepper motor is, the faster the torque at high velocity attenuates. Therefore, the size of 3-phase stepper motor is generally larger. The holding torque of 3-phase stepper motor in the same size is smaller than that of 2-pahse stepper motor. Only the velocity reaches certain one, the working torque of 3-pahse stepper motor will exceed that of 2-phase stepper motor.
    As for 4-phase stepper motor, the power tube of drive circuit and the main pole number of rotor is double of that of 2-pahse stepper motor. Thus, its driver features complicated structure and high cost. The stepper motor with 2-phase unipolar drive is called 4-phase stepper motor.
    5-pahse stepper motor has good performance in rotational smoothness and controlling attenuation of torque at high velocity, but the cost is the highest. The step angle of 5-pahse stepper motor is 0.72°.

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