General Specifications Dielectricstrength:1000VAC Insulationresistance:100MΩ(500VDC) Insulationtype:Btype Allowableradialload:75N Allowable thrust load:15N * The load point is 1/3 from the axis end ■ Specifications(unipolarwindings) Model | Axis | Basicstepangle (°) | Voltage | Current (A/phase) | Resistance (Ω/phase) | Inductance (mH/phase) | Holdingtorque N.m(kgf.cm) | Rotorinertia (×10-4kg.m2) | Mass (Kg) | Connection Cord | 103H7121-0140(0110) | Oneaxis (bothaxes) | 1.8 | 4.8 | 1 | 4.8 | 9.3 | 0.39(4) | 0.1 | 0.47 | Ⅰ | 103H7121-0440(0410) | 2.5 | 2 | 1.25 | 1.9 | 103H7121-0740(0710) | 1.8 | 3 | 0.6 | 0.8 | 103H7123-0140(0110) | 6.7 | 1 | 6.7 | 15 | 0.83(8.5) | 0.21 | 0.65 | 103H7123-0440(0410) | 3.2 | 2 | 1.6 | 3.8 | 103H7123-0740(0710) | 2.3 | 3 | 0.77 | 1.58 | 0.78(8.0) | 103H7124-0140(0110) | 7 | 1 | 7 | 12.5 | 0.98(10) | 0.245 | 0.8 | 103H7124-0440(0410) | 3.4 | 2 | 1.7 | 3.1 | 103H7124-0740(0710) | 2.2 | 3 | 0.74 | 1.4 | 103H7126-0140(0110) | 8.6 | 1 | 8.6 | 19 | 1.27(13) | 0.36 | 0.98 | 103H7126-0440(0410) | 4 | 2 | 2 | 4.5 | 103H7126-0740(0710) | 2.75 | 3 | 0.9 | 2.2 | ■ Specifications (bipolar windings) Model | Axis | Basicstepangle (°) | Voltage | Current (A/phase) | Resistance (Ω/phase) | Inductance (mH/phase) | Holdingtorque N.m(kgf.cm) | Rotorinertia (×10-4kg.m2) | Mass (Kg) | Connection Cord | 103H7121-5040(5010) | Oneaxis (bothaxes) | 1.8 | 1.3 | 2 | 0.65 | 1.9 | 0.39(4) | 0.1 | 0.47 | Ⅱ | 103H7123-5040(5010) | 1.6 | 0.8 | 3.8 | 0.83(8.5) | 0.21 | 0.65 | 103H7126-5040(5010) | 2.1 | 1.05 | 4.5 | 1.27(13) | 0.36 | 0.98 | ■ Motor inner connectionsrotation direction (as viewed fromtheounting base) |