JOY-IT NEMA23-03 Stepper Motor NEMA 23, 1.8°, 3 A, 8.4 V

Precision motion control demands a motor that delivers consistent torque and reliable stepping. The JOY-IT NEMA23-03 is a bipolar stepper motor in the NEMA 23 frame size, engineered for CNC machines, 3D printers, and automation systems where accuracy is critical. With a 1.8° step angle and 2.2 Nm holding torque, it provides the muscle and finesse needed for demanding applications.

Who is it for

This motor is ideal for makers, engineers, and technicians building or upgrading CNC routers, laser engravers, pick-and-place machines, or any project requiring robust, precise rotary motion. Its standard NEMA 23 mounting pattern ensures compatibility with a wide range of brackets and couplings.

Main features

• NEMA 23 frame size (57 mm) for easy integration
• High holding torque of 2.2 Nm (310 oz-in) for heavy loads
• 1.8° step angle (200 steps/rev) for smooth, precise positioning
• Bipolar 4-wire connection for use with modern stepper drivers
• Rated current 3 A per phase, voltage 8.4 V
• Durable construction with Class B insulation

Specifications

• Frame size: NEMA 23
• Step angle: 1.8°
• Rated current: 3 A per phase
• Rated voltage: 8.4 V
• Phase resistance: 2.8 Ω
• Phase inductance: 4.5 mH
• Holding torque: 2.2 Nm (310 oz-in)
• Number of phases: 2
• Number of leads: 4 (bipolar)
• Shaft diameter: 6.35 mm (1/4 inch)
• Motor length: 76 mm
• Rotor inertia: 600 g·cm²
• Insulation class: Class B
• Ambient operating temperature: -20°C to +50°C
• Dielectric strength: 500 VAC for 1 minute
• Radial play: 0.02 mm max
• Axial play: 0.08 mm max
• Connection type: bare wire leads

Tips

Pair this motor with a suitable microstepping driver (such as a DRV8825 or TB6600) and set the current limit to 3 A or less to prevent overheating. Use a 24-48 V power supply for optimal high-speed performance. Ensure proper heat sinking or active cooling in continuous duty applications.