NEMA 17 Stepper Motor 4Kg·cm (Model: 17PU-H502-G6VS) Guide
The NEMA 17 Stepper Motor is one of the most popular stepper motors used in precision motion control applications. Known for its reliability and strong torque, the Model 17PU-H502-G6VS with 4Kg·cm holding torque is perfect for 3D printers, CNC machines, and robotics.
In this guide, we'll cover the motor's features, technical specifications, popular applications, and how to get started with your first stepper motor project.
Did You Know?
The "NEMA" in NEMA 17 stands for National Electrical Manufacturers Association, which sets standards for motor dimensions. The number 17 refers to the faceplate size of 1.7 × 1.7 inches, making it a standard size for countless applications.
What is a NEMA 17 Stepper Motor?
A NEMA 17 Stepper Motor is a brushless DC electric motor that divides a full rotation into a large number of steps, providing precise position control without the need for feedback systems. The "NEMA 17" designation refers to the motor's faceplate size of 1.7 × 1.7 inches.
Key Features of NEMA 17 (17PU-H502-G6VS)
- High torque of 4 Kg·cm for reliable performance
- 1.8° step angle (200 steps per revolution)
- Rated voltage: 3.1V, Current per phase: 1.5A
- Compatible with popular drivers like A4988, DRV8825, TMC2208
- Robust build quality for long-term use
- Standard NEMA 17 frame for universal compatibility
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 17PU-H502-G6VS |
| Step Angle | 1.8° |
| Holding Torque | 4 Kg·cm |
| Rated Voltage | 3.1V |
| Current/Phase | 1.5A |
| Frame Size | NEMA 17 (42 × 42 mm) |
| Shaft Diameter | 5 mm |
| Weight | Approx. 280 grams |
Applications of NEMA 17 Stepper Motor
The NEMA 17 motor is widely used in:
- 3D printers (extruder and axis movement)
- CNC machines
- Robotics (precise motion control)
- Camera sliders and gimbals
- Automation projects
- Precision positioning systems
Pro Tip
For optimal performance, always use a properly sized power supply and set the correct current limit on your stepper driver. This prevents motor stalling and ensures smooth operation.
Getting Started with NEMA 17 Stepper Motor
Here's how to set up the motor for your first project:
- Choose a compatible driver (A4988 or DRV8825 are beginner-friendly).
- Connect the stepper motor's 4 wires to the driver outputs.
- Power the driver with a suitable power supply (e.g., 12V).
- Control the driver with an Arduino or ESP32 to send step pulses.
- Adjust the driver's current limit to match your motor's specifications.
Within minutes, you'll have precise motor control for your robotics or CNC project!
Where to Buy NEMA 17 Stepper Motor
Ready to add this powerful stepper motor to your project? Get the NEMA 17 Stepper Motor 4Kg·cm (17PU-H502-G6VS) from RobuKits here:
Buy NEMA 17 Stepper Motor from RobuKits