NEMA 17 Planetary Gearbox Motor – High Precision Motion Control

The NEMA 17 planetary gearbox motor is engineered to deliver high precision, smooth motion control, and reliability in a variety of applications. With a step angle of 1.8° ±5%, this motor operates in a voltage range of DC 12-24V, drawing 1.68A of current. It’s perfect for use in demanding systems that require a planetary gearbox with a specific reduction ratio to optimize power transmission and torque output.

Key Features:

• Step Angle: 1.8° ±5%
• Voltage: 12-24V DC, suitable for most low voltage motion control systems
• Current: 1.68A
• Phase Resistance: 1.95 Ω ±10% (At 20°C)
• Phase Inductance: 4.4 mH ±20%
• Static Moment: 0.45 N.m
• Insulation Class: Class B, providing enhanced protection against high temperatures and electrical stress
• Operating Temperature Range: -20°C to +50°C

Planetary Gearbox with 20:1 Reduction Ratio

One of the key features of this NEMA 17 planetary gearbox motor is its 20:1 reduction ratio. This high reduction ratio is ideal for applications that require higher torque and slower speeds. The reduction ratio directly affects the motor’s output torque and speed, providing the following advantages:

• Enhanced Torque: The 20:1 reduction ratio ensures a significant increase in torque output, allowing for precise control of heavy loads.
• Improved Stability: The gear ratio provides a smoother operation by minimizing vibrations and backlashes, crucial for applications where precision is paramount.
• Lower Speed: This motor delivers lower output speed, which is essential for tasks like positioning in robotic arms, CNC machines, and automation systems.

Excitation Sequence and Direction:

The excitation sequence for this motor operates in both clockwise (CW) and counterclockwise (CCW) directions, making it versatile for integration into various systems. It supports two operational modes:

• Excitation 1: CW Direction
• Excitation 2: CCW Direction

Reduction Ratios Available:

Reduction Ratio	Output Torque	Speed
3.7:1	12.4 N.m	18 RPM
5.18:1	9.5 N.m	15 RPM
14:1	4.3 N.m	6 RPM
19:1	3.2 N.m	5 RPM
51:1	1.2 N.m	2 RPM

If you want more, please contact sellers.

Applications:

This motor with its planetary gearbox is perfect for precision applications where low speed and high torque are essential. Common applications include:

• Robotics: For precise movement in robotic arms, mobile robots, and automated systems.
• CNC Machines: High torque and low speed for controlling tool positions accurately.
• 3D Printers: For precise movement of the printing bed or extruder.
• Automation Systems: Integrated in assembly lines and conveyor systems where high precision is needed.

Why Choose This NEMA 17 Planetary Gearbox Motor?

Our NEMA 17 planetary gearbox motor is designed for high torque, low-speed applications that demand precision and durability. Whether you are building a robotic system, CNC machine, or another automated solution, this motor ensures smooth, reliable operation with minimal backlash and high efficiency.

Download Datasheet

Download the full specification sheet for detailed parameters, wiring guide, and performance curves.

📄 Download PDF Datasheet

This stepper motor belongs to our

Stepper Motor series
, designed for industrial automation applications.