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2S57Q-25B2 Two-Phase Stepper Motor

  • Step angle: 1.8°
  • Series Phase current: 2.9A
  • Parallel Phase current: 6.0A
  • Number of lead wires: 8
  • Max. axial load: 15N
  • Max. radial load: 75N
 

Specification

Technical Specifications2S57Q-25B2
Step angle1.8°
Series Phase current (A)2.9
Parallel Phase current (A)6.0
Holding torque (Nm)2.5
Damping torque (Nm)0.12
Winding resistance (Ω)1±10%
Winding inductance (mH)1.8±20%
Motor inertia (kg.cm2)0.8
Motor length L (mm)112
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)1.7

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

Dimensions (Unit:mm)

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Motor cable

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Torque-frequency curve

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