Water Pump 42mm Nema 17 0.5N.M Hybrid Stepper Motor

Basic Information
Place of Origin: JIANGSU,CHINA
Brand Name: Prostepper
Certification: CE/ISO/ROHS/SGS
Model Number: PST42H249-4L20M
Minimum Order Quantity: 10pcs
Price: USD7.8-10.8PCS
Packaging Details: 38.5cm*24cm*23cm
Delivery Time: 7-25 work days
Payment Terms: T/T, Western Union, L/C
Supply Ability: 3000000pcs per year
Brand Name: PROSTEPPER Name: 42mm Two Phase Brake Stepper Motor
Current/phase: 2 Step Angle: 1.8degree
Brake Torque: 0.5N.m Phase: 2
High Light:

0.5N.M Hybrid Stepper Motor


42mm Hybrid Stepper Motor


42mm Hybrid Linear Actuator

2 phase brake type stepper motor 42mm NEMA17 for air pump and water pump


Product description


Our stepper motor series are: 20mm, 28mm, 35mm, 39mm, 42mm, 57mm, 60mm, 86mm, Two-phase, three-phase and four-phase hybrid stepping motor. The DC brushless motor range includes 42BLS, 57BL(S), 86BLS, and matching DC brushless drivers.
Therefore, the products are in line with ROHS requirements.


Applications of stepper motor  include robotics, industrial electronic automation equipment, medical equipment, advertising equipment, printing equipment, textile machinery and so on. Our stepper motor has been exported to the United States, Germany, Italy, Spain, the United Kingdom, Mexico, Brazil and other more than 20 countries.


FEATURES of our hybrid stepper motor

Choose the raw material materials of stepper motor from the famous brand supplier in China or abroad

Each spare parts of hybrid stepper motor are controlled strictly in all the production process

High performance optimized design of the electromagnetic circuit, increasing the torque of the motor, lower the rising range of temperature on the motor, promote the motor running more stable.

Precise position control

Forward / reverse rotation, emergency stop and lock function

Effective angle and speed control

Mechanical size 100% meet the requirements of customer’s

Try best to create the solution for the customer’s specialized requirements, we also can provide door-to-door service.




Medical equipment (Peristaltic pump , CT Scanners)

Textile machinery Industrial automation (Engraving machine)

Office automation (3D printer)

Specifications of stepper motor

Mode No:PST42H249-4L20M


Holding Torque 0.48N.m
Related Current 2A/Phase
Resistance 1.35Ω/Phase
Inductance 2.9MH/Phase
Inertia 77g.cm²
Brake Torque 0.5N.m
Weight 0.35Kg


Outline (Unit:mm)


Model: PST42H249-4L20M  L: 81mm

Water Pump 42mm Nema 17 0.5N.M Hybrid Stepper Motor 0

Speed/Torque Characteristics(Reference Value)


Water Pump 42mm Nema 17 0.5N.M Hybrid Stepper Motor 1

Please note the speed/torque curve is based on prostepper's test conditions. when the driving conditions change, the dynamic torque changes too. The related current indicated in the specification is an effective value, please adjust the driver's current below the rated current.




Water Pump 42mm Nema 17 0.5N.M Hybrid Stepper Motor 2





Quality control of our stepper motor 

1. Raw material inspection

2. Inspecting according to the standard of testing raw material or the drawing

3. Monitoring and measurement in production process

4.Self checking-tested by QC-Batches production

5. Final checking and make experiment

6. All products should be through testing by the professional equipment

Water Pump 42mm Nema 17 0.5N.M Hybrid Stepper Motor 3Water Pump 42mm Nema 17 0.5N.M Hybrid Stepper Motor 4


     How to choose a motor to match my machine?

Please give us the key parameters of the motor. Here are some important specifications we need : holding torque, physical size (diameter ,length etc.), voltage, current etc. Feel free to contact us and give the information, we are very glad to help you if you are confused in selection.

     If I need a special motor , can you manufacture? 

Certainly, you can. If you want to replace a motor in an existing application,please send us a drawing or sample and we can help you find a suitable replacement. Or, you can contact us and describe your application, our engineers will work together with you to find a solution tailor-made for you.

Contact Details

Phone Number : +8618106129922

WhatsApp : +8618106129922