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Stepping Motors
56 mm sq. 2.20 inch sq.
1.8 /step
Unipolar winding Lead wire type Bipolar winding Lead wire type P.40
Unipolar winding Lead wire type
Model number
Single shaft 103H7121-0140 103H7121-0440 103H7121-0740 103H7123-0140 103H7123-0440 103H7123-0740 103H7124-0140 103H7124-0440 103H7124-0740 103H7126-0140 103H7126-0440 103H7126-0740
Dual shaft 103H7121-0110 103H7121-0410 103H7121-0710 103H7123-0110 103H7123-0410 103H7123-0710 103H7124-0110 103H7124-0410 103H7124-0710 103H7126-0110 103H7126-0410 103H7126-0710
Holding torque at 2-phase energization [N m oz in MIN.] 0.39 55.2 0.39 55.2 0.39 55.2 0.83 117.5 0.83 117.5 0.78 110.5 0.98 138.8 0.98 138.8 0.98 138.8 1.27 179.8 1.27 179.8 1.27 179.8
Rated current
Wiring resistance
A/phase
/phase
1 4.8
2 1.25
3 0.6
1 6.7
2 1.