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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
YSD254-1A YSD254-1B 2.0 1.4 1.4 3.9 6 120 0.45 41
YSD255-1A YSD255-1B 3.0 0.74 0.9 7.2 6 275 0.65 51
YSD256-1A YSD256-1B 3.0 0.75 1.1 9.0 6 300 0.7 56
YSD258-1A YSD258-1B 3.0 1.0 1.6 13.5 6 480 1.0 76
Specifications
Ltem Technical Parameter
Step Angle 1.8°
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 75N(20mm from the flange)
Max.axial force 15N