PwnCNC Closed-Loop Stepper Motors

Upgrade your CNC machine with dependable, high-torque motion using PwnCNC Closed-Loop Stepper Motors. Each motor combines a NEMA 23 stepper motor, integrated drive electronics, and encoder feedback in one compact package for cleaner wiring, easier installation, and reliable position control.

Built for Reliable CNC Motion

Closed-loop feedback continuously verifies motor position while the integrated drive eliminates the need for a separate external stepper driver. The result is a simpler control system with fewer components, reduced wiring, and improved fault monitoring.

Choose the Right Configuration

• 2Nm: A strong general-purpose choice for many CNC axes and retrofit applications.
• 3Nm: Additional torque for heavier gantries, higher acceleration, and more demanding machine configurations.
• Without Brake: Best suited for horizontal axes or applications where gravity-driven movement is not a concern.
• With Brake: Recommended for vertical Z-axis applications where the spindle or gantry could drop after motor power is removed.

Protective Cable-Routing Covers Included

Each motor includes two PwnCNC-designed 3D-printed protective covers for the electronics backpack: one with a left-side cable-routing extension and one with a right-side cable-routing extension.

The extended design helps support and guide the motor wiring as it exits the backpack, reducing strain at the connection point and helping protect the Phoenix connectors from accidental impact, bending, or cable pull. Both cover orientations are included so you can choose the routing direction that best fits your machine layout.

Key Features

• NEMA 23 closed-loop stepper motor
• Integrated encoder and drive electronics
• Available in 2Nm and 3Nm torque ratings
• Optional integrated holding brake
• Position-error and fault reporting
• Power and fault-status indicators
• Enable and alarm signal support
• Differential step-and-direction signal support for improved noise resistance
• Compatible with 24–36VDC power systems
• Includes left-routing and right-routing protective covers

Controller Compatibility

These motors are designed for CNC controllers that support compatible differential step-and-direction signals, including PwnCNC MASSO-based control systems. Confirm your controller outputs, power supply, motor mounting, shaft dimensions, and wiring requirements before ordering for a third-party machine.

What’s Included

• One PwnCNC Closed-Loop Stepper Motor in the selected torque and brake configuration
• One 3D-printed protective cover with a left-side cable-routing extension
• One 3D-printed protective cover with a right-side cable-routing extension
• Integrated encoder and drive electronics
• Quick-connect wiring terminals
• Integrated diagnostic status indicators

Wiring and Setup

Review the PwnCNC closed-loop stepper configuration guide for wiring, controller settings, and setup information.