NEMA Stepper Motor

TSL motor’s NEMA stepper motors are based on standard hybrid stepper motor technology.The product range covers NEMA 6 to NEMA 23.Both open-loop control solutions are supported.Encoders can be added to enable closed-loop control.This improves reliability and stability while maintaining step accuracy.

At TSL, a NEMA stepper motor is more than just a motor.
The output shaft can be customized as a lead screw or slider for linear motion.Through-shaft and hollow-shaft stepper motor designs are available.Stepper drivers can be integrated.Planetary gearboxes can also be combined.From a single motor to a complete actuator solution, the possibilities are wide open.

Bring your ideas—we’ll help you turn them into reality.

Explore All of Our NEMA Stepper Motor

NEMA Stepper Motor Specification Reference Chart

(NEMA Frame Sizes vs. Actual Dimensions)

NEMA refers to the flange mounting dimension standard established by the National Electrical Manufacturers Association (NEMA) of the United States. The NEMA number represents the side length of the motor’s front mounting flange, expressed in inches multiplied by 10 (e.g., NEMA 23 corresponds to a 2.3-inch square flange).

The key dimensional parameter is the diagonal distance between the centers of the mounting holes on the front flange, measured in inches. This value is frequently converted into millimeters for practical use and is widely adopted as the primary reference dimension for motor procurement and selection.

NEMA Size	Flange Size (mm)	Inch Size
NEMA 6	≈ 14 × 14 mm	0.56"
NEMA 8	≈ 20 × 20 mm	0.8"
NEMA 11	≈ 28 × 28 mm	1.1"
NEMA 14	≈ 35 × 35 mm	1.4"
NEMA 16	≈ 39 × 39 mm	1.6"
NEMA 17	≈ 42 × 42 mm	1.7"
NEMA 23	≈ 57 × 57 mm	2.3"
NEMA 24	≈ 60 × 60 mm	2.4"
NEMA 28	≈ 71 × 71 mm	2.8"
NEMA 34	≈ 86 × 86 mm	3.4"
NEMA 39	≈ 99 × 99 mm	3.9"
NEMA 42	≈ 110 × 110 mm	4.2"

Motors with the same NEMA size can have different body lengths, holding torque, current ratings, and shaft options, depending on the design.

Hybrid Stepper Motor Torque–Speed Curve

1️⃣ Rated power is usually not a primary parameter
Because output power varies with speed and load, hybrid stepper motors are typically evaluated using the torque–speed curve rather than a fixed power rating.

2️⃣ Torque decreases as speed increases
Due to winding inductance, back EMF, and driver voltage limitations, available torque drops at higher speeds—this is a typical stepper motor behavior.

3️⃣ Maximum torque is available at low speed
Near standstill, the motor delivers its highest torque (holding or low-speed torque), making it ideal for positioning, clamping, and frequent start-stop applications.

4️⃣ High-speed operation increases the risk of step loss
As speed rises and torque margin decreases, the motor may lose synchronization if the load demand exceeds the available torque.

5️⃣ The recommended operating speed is generally below 600 RPM
Within this range, hybrid stepper motors offer a good balance of torque margin, stability, and system reliability.

Common Hybrid Stepper Motor Designs

Based on diverse application requirements, TSL offers a wide range of proven and mass-production-ready motor customization options, including but not limited to:

Body Length

Different stack lengths and winding configurations to balance physical size with output performance.

Shaft Length

Support for various shaft lengths and tolerance specifications.

Shaft Options

Solid shaft, hollow shaft, shaft with pulley, or custom shaft end designs

Lead Wire Options

Axial exit, radial (side) exit, or custom wire lengths

Connector Options

JST terminals or customer-specified connector types

Cable Types

Standard cable, shielded cable, or high-flexibility cable

Encoder Solutions

Support for various incremental encoder configurations for closed-loop control

Brake Integration

Built-in brake for power-off position holding, ideal for vertical-axis or safety-critical applications

Gearbox Integration

Planetary gearboxes, worm gear mechanisms, and custom transmission designs with tailored reduction ratios and output configurations.

Advantages of Hybrid Stepper Motors

🎯

High Accuracy

Precise step angles enable accurate and repeatable position control.

💪

High Torque

Delivers strong torque at low or zero speed, ideal for direct-load driving.

🎛️

Simple Control

Operates reliably with open-loop control, eliminating the need for encoders.

⚡

Fast Response

Quick acceleration and deceleration make it suitable for frequent start-stop applications.

Why Choose TSL?

We are here to assist you throughout the entire process, from prototype development to large-scale, cost-efficient mass production.

Founded in 2009, TSL Motors has been at the forefront of micro DC motor design and manufacturing. With ISO 9001, ISO 14001, and ISO 45001 certifications, TSL is committed to delivering high-quality products that meet international standards.

We offer a wide range of motor solutions, including coin vibration motors,ERM vibration motor, coreless DC motors, Stepper DC Motors,LRA vibration motors, BLDC motors ,Brushed DC Motors,Planetary Gear Motors,Spur Gear Motors ,Worm Gear Motor,etc. Our motors are engineered to be cost-effective, reliable, and customizable, catering to various applications across diverse industries.

At TSL, we strive to provide our valued customers with innovative solutions tailored to their specific needs.

Designing motors and mechanisms for a diverse array of industrial, medical, and consumer applications.

Our skilled sales engineers are adept at quickly grasping your unique requirements and offering tailored services. These custom services encompass motor performance parameters such as rated voltage, speed, and current, along with additional features like connectors, wire lengths, rubber boots, plastic/metal capsules, brackets, and spring contacts.

We provide comprehensive support, including detailed drawings and specifications, throughout the entire process from prototype development to mass production.

Our motor manufacturing process is designed to be flexible, enabling us to accommodate both large-scale production and specialized, high-value custom builds to meet diverse customer needs.

We use in-house designed dynamometers to thoroughly test and validate every sample and production batch, ensuring the highest standards of quality and performance.

TSL Motor is an ISO 9001:2015 certified company, committed to ensuring that each motor meets your precise specifications and performance standards. We have developed a comprehensive after-sales support system, offering prompt responses to customer inquiries and addressing any issues or needs that may arise. Our commitment doesn’t end with delivery—we are here to support you every step of the way.

Applications Of Hybrid Stepper Motors

The hybrid stepper motors are commonly used in the following areas:

3D Printers

Precise step control for accurate print head and build platform positioning.

Industrial Automation

Used in conveying, sorting, and positioning mechanisms.

Medical & Lab Equipment

Provides stable and repeatable motion in pumps, valves, and analyzers.

Packaging Machinery

Ideal for high-speed start-stop, fixed-length feeding, and synchronized motion.

FAQ About Hybrid Stepper Motors

What is the size range of your hybrid stepper motors?

We offer hybrid stepper motors ranging from NEMA 6 to NEMA 42, covering a wide variety of torque and application requirements.

Why should I choose a stepper motor instead of a servo motor?

Although stepper motors offer lower precision than servo motors, they are more cost-effective and easier to control. Stepper motors can operate with open-loop control, and for the same frame size, their cost is typically several times lower than that of servo motors.

Can hybrid stepper motors be customized?

Yes. We support customization of windings, voltage, current, shaft type, cables, encoder interfaces, and gearboxes to meet specific application needs.

Do hybrid stepper motors require encoders?

In most applications, open-loop control is sufficient. Encoders are recommended only for applications requiring position feedback or enhanced protection against step loss.

How do I select the right hybrid stepper motor for my application?

Motor selection depends on required torque, speed, installation size, operating voltage, and control method. Our engineering team can provide professional selection support based on your application.

Are hybrid stepper motors suitable for high-speed operation?

Hybrid stepper motors are best suited for low- to medium-speed applications. As speed increases, available torque decreases, and the risk of step loss rises. The recommended operating speed is typically below 600 RPM.

Can hybrid stepper motors be used with gearboxes?

Yes. Combining a hybrid stepper motor with a planetary or worm gearbox can significantly increase output torque, reduce speed, and improve overall system stability.

What is your minimum order quantity (MOQ)?

There are no minimum order quantity (MOQ) requirements from our side. However, please note that customized components must comply with our material supplier’s established MOQ specifications. For detailed requirements and pricing specifics, kindly refer to the attached quotation document.

What is the lead time for samples and orders?

For sample orders, the lead time is typically 7-10 days. For larger bulk orders, the lead time varies based on the order quantity. For example, orders of 10,000 pieces generally take 20-25 days to process.

How do we handle shipments?

For samples or small orders, we typically use door-to-door services like DHL, FedEx, or UPS, or you can provide your own international shipping account to handle the collection. For larger bulk orders, we can arrange sea or air freight depending on your preference. As for who covers the freight costs, it depends on the Incoterms agreed upon between us.

✅Collaborate with Specialists

Our engineering team brings decades of motor technology expertise to every project.

✅Seamless Global Partnership

Communicating with us is a breeze.

We’ll adapt to your time zone, making sure that information and ideas are exchanged promptly.

Right from the start, you can rest assured that your thoughts are fully grasped.

✅Lifelong Technical Alliance

We’re not the type to just give you a solution and then disappear. We’ll be with you every step of the way during the project, and even after it’s done. You can count on us to always have your back.

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