Stepper Motor Nema 17 17HS4401S-0.9° - AH

The Stepping Motor for CNC 3D Printer is a great choice for those who are looking for a high quality and accurate motor. This motor has a 0.9° step angle, holding torque ≥280mN.m, 4.3V rated voltage, and 1.3A rated current. The 0.9° pulse resolution is higher than 1.8°, making it more accurate. The motor size is 42 * 42 * 38mm (1.7 * 1

Specifications:

Color: Black
Phase: 2
Step Angle: 0.9°±5%
Rated Voltage: 4.3V
Rated Current: 1.3A
Resistance(20°): 2.2*(1±15%)Ω
Inductance: 5.7*(1±20%)mH  
Holding Torque: ≥280mN.m  
Rotor Inertia: 57g.cm³
Insulation Class: B
Insulation Resistance: ≥200MΩ（DC 500v）
Ambient Temperature: 24℃~+80℃
Relative Humidity: 90%MAX
Life Time: 5000 hours
Item Weight: 263g / 9.3oz
Package Size: 10.2 * 6.8 * 4.8cm / 4.0 * 2.7 * 1.9in
Package Weight: 295g / 10.4oz