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Nema 17 Stepper Motor 4 Lead 17HS8401 1.7A 


Widely used in engraving machine, printer, medical equipment, embroidery machine, stage lighting, textile automation,printing,packaging and other industries automation equipment and DIY projects.
Fits for 3D printers, CNC, monitor equipment, medical machinery, textile machinery, stage lighting and so on .


Model: 17HS8401
low noise, Low fever, running smoothly, Good acceleration performance


Motor basic parameters:
Step angle: 1.8 ° 
Current: 1.7A
Resistance: 1.8 ohm
Inductance: 3.2mH
Static moment: 52N.cm 
Positioning moment: 2.6N.cm
Moment of inertia: 68 
Number of leads: 4
Motor weight: 350g 
Body length: 48mm
Adapter drive: Two-phase step drive
Precision angle step: ±5% (full step, no charge)
Resistance accuracy: ±10%
Precision inductance: ±20%
Temperature rise: 80deg Max
Ambient temperature: -20°~+50°
Insulation resistance: 100MOMin, 500DC
Insulation force: 500VAC for a minute
Package weight: 368g


The most commonly used stepper motors in Reprap–based 3D printers are the Kysan 1124090/42BYGH4803, Rattm 17HS8401, and Wantai 42BYGHW609.