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Technical Parameter
Model Current
/Phase Resistance
/Phase Inductance
/Phase Holding Tprque # of Leads Rotor Inertia Weight Length
Single
Shaft Double
Shaft A O mH kg-cm g-cm2 kg mm
YSD31318-3A YSD31318-3B 4.0 3.2 22.1 200 4 26700 14.1 183
YSD31321-3A YSD31321-3B 4.0 0.8 17.6 280 4 33970 17.2 215
YSD31325-3A YSD31325-3B 4.0 1.1 23.1 350 4 41240 19.8 247
Specifications
Ltem Technical Parameter
Step Angle 1.2°
Step Angle Accuracy ±5%(full step,no load)
Resistance Accuracy ±10%
Inductance Accuracy ±20%
Temperature Rise 80? Max(rated current,2phase on)
Ambient Temperatuer -20?~+50?
Insulation Resistance 100M O Min 500VDC
Dielectric Strength 500V AC for one minute
Shaft Radial Play 0.02 Max(450g load)
Shaft Axial Play 0.08 Max(450g load)
Max.radial force 220N(20mm from the flange)
Max.axial force 60N