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    Nema 34 Stepper Motor, 2 Phase, 5A, 12N·m

    5 out of 5 based on 4 reviews | Write a review
    2 phase 4 wire hybrid stepper motor comes with holding torque up to 12N·m, 1.8 degree step angle, draws high current of up to 5A. This Nema 34 86 x 86mm bipolar stepper motor is high torque motor for CNC machine, 3D printer and robot arm.
    SKU: ATO-STEP-34C500
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Nema 34 hybrid stepper motor has 4 wire and can be used in bipolar mode. It with high holding torque of 12 N·m is suitable for the biggest projects, such as CNC application, robotic, 3D technology and so on.

    Physical Specification

    • Model Number: ATO-FY86EC500A
    • Matched the Driver Model: ATO-FYDM808T
    • Flanged Size: 86 x 86mm (Nema 34)
    • Motor Length: 150mm
    • Shaft Diameter: 14mm/ 12.7mm
    • Number of Leads: 4 wire
    • Weight: 5.2kg

    Electrical Specification

    • Motor Type: Bipolar Stepper
    • Step Angle: 1.8°
    • Rated Current: 5A
    • Holding Torque: 1200 N·cm (12 N·m, 1700
    • Phase Resistance: 1.2Ω
    • Phase Inductance: 6mH
    • Rotor Inertia: 6200g·cm2

    Dimensions (Unit: mm)


    Dimension of Nema 34 2 Phase Stepper Motor

    Wiring Diagram

    Wiring Diagram of Nema 34 2 Phase Stepper Motor

    Speed-Torque Curve Diagram

    Speed Torque Curve Diagram of Nema 34 2 Phase Hybrid Stepper Motor


    Nema 34 Stepper Motor 4.5N·m-12N·m Details

    Tips: The wiring method of stepper motor

    There are many ways to connect permanent magnet stepper motors, mainly four wire lead and six wire lead. The difference between the two mainly lies in the flexibility of connection with the driver. 2 phase 3 wire motors can only use bipolar drivers, 2 phase 6 wire motors can use either bipolar drivers or unipolar drivers.


    360 Days warranty

    Thank you for buying industrial automation products on, all products sold by ATO and the partner cover a 360-days-warranty, effective from the date of receiving the products.

    What is covered?

    ATO is responsible for providing free spare parts, free technical support to assist the customer to repair the defective products until the problem is solved.

    What is not covered?

    • Product purchased from anyone other than ATO store or a ATO authorized reseller.
    • Expendable parts.
    • Routine cleaning or normal cosmetic and mechanical wear.
    • Damage from misuse, abuse or neglect.
    • Damage from use of parts other than ATO approved.
    • Damage from use outside the product’s usage or storage parameters.
    • Damage from use of parts not sold by ATO.
    • Damage from modification or incorporation into other products.
    • Damage from repair or replacement of warranted parts by a service provider other than a ATO authorized service provider.
    • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
    Existing reviews of Nema 34 Stepper Motor, 2 Phase, 5A, 12N·m
    Well-built stepper motor.
    This Nema 34 stepper motor is well-built and has a good price. It was exactly what I needed. Working perfectly so far! Not missing a step.
    From: Vernon | Date: 28/07/2022
    Was this review helpful? Yes No (0/0)
    Good quality stepping motor.
    This Nema 34 stepper motor was a great match for my CNC machine. I received it in a timely and its functions as described so far. This is a good quality stepping motor, performs very well for my application and exceeded my expectations.
    From: Jasper | Date: 28/06/2022
    Was this review helpful? Yes No (0/0)
    Powerful stepper motor!
    I was looking for a powerful NEMA 34 stepper motor at a good price. This ATO stepper met my needs. Good for engineering design project and still work well!
    From: Sapello | Date: 30/05/2022
    Was this review helpful? Yes No (0/0)
    It works so far.
    Nice product for my 3D printer. Superb customer service. So far I have a couple of hundred hours of prints on the motor and it's still working great. I plan on buying from this Nema 34 stepper motor again in the future.
    From: Joaquin | Date: 24/03/2022
    Was this review helpful? Yes No (0/0)
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