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General Specifications
Step Angle---1.8°±5%
Insulation Resistant---500V DC 100MΩ Min Insulation Strength---50Hz 1Minute 500V Min Ambient Temperature ---—20 ~+50
Temperature Rise---80 Max.
Radial Play---0.02mm Max.
End Play---0.1-0.3mm
Electrical Specifications
Size(mm)
Model No.
of phase
Voltage (V)
Current (A)
Resistance (Ω)
Inductance (mH)
Holding Torque (g.cm)
Detent Torque
(g.cm)
Rotor Inertia (g.cm2)
Weight (Kg)
L0 L1
Wire Diagram
57BYG007-04 4 12.0 0.38 32.0 30.0 3.5 588 118 0.60 51 21 wdg.A
57BYG007-02 4 4.0 1.30 3.1 4.4 5.0 588 118 0.60 51 21 wdg.A
57BYG009 4 2.4 2.40 1.0 1.0 6.0 706 145 0.65 56 21 wdg.A
57BYG027 4 3.5 1.40 2.5 3.5 5.3 588 118 0.60 51 22 wdg.A
57BYG056 4 2.3 1.50 1.5 1.3 3.0 333 60 0.45 41 21 wdg.A
57BYG059 4 4.0 1.60 2.5 3.5 6.0 706 145 0.65 56 25.4 wdg.A
Jameco Part Number 223870 (57BYG070)
57BYG060 2 2.6 2.00 1.3 3.0 6.3 588 118 0.60 51 20 wdg.B
57BYG066 4 6.0 0.85 7.1 9.0 4.2 588 118 0.60 51 21 wdg.A
57BYG069 4 6.0 1.20 5.0 8.0 6.0 706 145 0.65 56 21 wdg.A
57BYG070 4 5.4 1.50 3.6 6.0 9.0 980 230 1.00 76 21 wdg.A
57BYG071 4 5.1 1.60 3.2 5.0 9.0 980 230 1.00 76 21 wdg.A
57BYG084 4 12.0 0.60 20.0 22.0 6.0 706 145 0.65 56 21 wdg.A
Mechanical Dimensions Wiring Diagram
