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    NEMA 24 Stepper Motors

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    Nema 24 Stepper Motor, 2A, 1.8 degree, 2 phase 4 wires

    SKU: ATO-STEP-2882402
    High quality Nema 24 stepper motor with 1.8 deg. step angle(200 steps/rev). Each phase draws current 2A, allowing for a holding torque of 2.5Nm. Favorable price and direct sales by manufacturer.

    Nema 24 Stepper Motor, 3A, 1.8 degree, 2 phase 4 wires

    SKU: ATO-STEP-2882403
    2-phase 4-wire Nema 24 stepper motor with high torque, 2.5Nm holding torque, 1.8 deg. step angle(200 steps/rev), 3A phase current, brand new and direct sales by manufacturer.

    Nema 24 Stepper Motor, 4A, 1.8 degree, 2 phase 4 wires

    SKU: ATO-STEP-2882404
    Low cost and high quality Nema 24 stepper motor, 2.5Nm holding torque, 1.8 deg. step angle(200 steps/rev), body in 88mm, direct sales by manufacturer.

    As we all know, Nema 24 stepper motor has a 60 x 60 mm faceplate, just slightly larger than the Nema 23 stepper motor. Why do we choose it? That’s because Nema 24 stepper motor is more powerful than Nema 23 stepper motor and it is also unnecessary to spend more money buying a higher torque stepper motor in practical application. So, the one that suits you is the best.

    Difference between unipolar and bipolar stepper motor

    Unipolar stepper motor

    Unipolar stepper motors consist of a single winding with a center tap. Depending on the direction of the desired magnetic field, each part of the winding is switched on, because in this way the poles can be reversed without switching the direction of the current. Center taps are more common, and while on a 2 phase unipolar stepper motor there are usually 6 leads (3 per phase), the two commons can be connected together internally, which means there are only five leads.

    Bipolar stepper motor

    Unlike unipolar stepper motors, bipolar stepper motors have only one single winding per phase and no taps. In order to reverse the magnetic poles, the current in the windings needs to be reversed, which means that bipolar stepper motor drives are generally more complex and often require an H-bridge arrangement. Since there is no common, there are two leads per phase, and a typical two-phase motor will have four leads. Although bipolar motors are generally more complex to drive, they do have their advantages. Because of better used windings, bipolar motors are more powerful than unipolar motors of the same weight. This is because a unipolar stepper motor has twice the amount of wires in the same space and can only use half of it at any one time, which means a unipolar motor is only about 50% efficient.