General Specification for High Torque Hybrid Stepping Motor
Item Specifications
Step Angle 1.8deg
Step Angle Accuracy plus and minus 5% (full step, no load)
Resistance Accuracy plus and minus 10%
Inductance Accuracy plus and minus 20%
Temperature Rise 80deg. Max. (rated current, 2 phase on)
Ambient Temperature -20deg to +50deg.
Insulation Resistance 100Megaohm Min., 500VDC
Dielectric Strength 500VAC for one minute
Shaft Radial Play 0.02Max. (450 g-load)
Shaft Axial Play 0.08Max. (450 g-load)
Max. Radial force 28N ( 20mm from the flange )
Max. Axial force 10N
Rotation CW( See from Front Flange )

Size 28mm High Torque Hybrid Stepping Motor Specifications
Model No. RatedVoltage Current/Phase Resistance/Phase
Inductance/Phase HoldingTorque # ofLeads Weight RotorInertia Length
Single Shaft Double Shaft V A ohm mH g-cm kg kg-m2 mm
28TH32-0956A 28TH32-0956B 2.66 0.95 2.8 1 430 6 0.11 9x10-7 31.5
28TH32-0674A 28TH32-0674B 3.8 0.67 5.6 4.2 600 4
28TH45-0956A 28TH45-0956B 3.4 0.95 3.4 1.2 750 6 0.14 12x10-7 44.5
28TH45-0674A 28TH45-0674B 4.56 0.67 6.8 4.9 950 4
28TH51-0956A 28TH51-0956B 4.4 0.95 4.6 1.8 900 6 0.2 18x10-7 50.5
28TH51-0674A 28TH51-0674B 6.2 0.67 9.2 7.2 1200 4

We can make according to your special requirements, also available with the gearboxes, or pinions. Please feel free to contact us

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