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2S57Q-2280 Two-Phase Stepper Motor

  • Step angle: 1.8°
  • Series Phase current: 2.8A
  • Parallel Phase current: 5.6A
  • Number of lead wires: 8
  • Max. axial load: 15N
  • Max. radial load: 75N


Technical Specifications2S57Q-2280
Step angle1.8°
Series Phase current (A)2.8
Parallel Phase current (A)5.6
Holding torque (Nm)2.2
Damping torque (Nm)0.07
Winding resistance (Ω)0.8±10%
Winding inductance (mH)1.8±20%
Motor inertia (kg.cm2)0.53
Motor length L (mm)80
Shaft diameter (mm)8
Number of lead wires8
Insulation classB
Withstand voltage level500VAC for 1 minute
Max. axial load (N)15
Max. radial load (N)75
Operating temperature-20℃~+50℃
Surface temperature riseMax.80℃ (Both phase connected with rated current)
Insulation impedanceMinimum 100MΩ, 500V DC
Weight (kg)1.1

Note: The startup freq. is tested under condition of 2000 steps/round, only for reference.

Dimensions (Unit:mm)


Motor cable


Torque-frequency curve

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