■ General Specifications
Dielectric strength：1000VAC
Insulation resistance：100MΩ（500VDC）
Insulation type：B type
Allowable radial load：75N
Allowable thrust load：15N
* The load point is 1/3 from the axis end
■ Specifications (unipolar windings)
|
Model
|
Axis
|
Basic step angle
(°)
|
Voltage
|
Current
(A/phase)
|
Resistance
(Ω/phase)
|
Inductance
(mH/phase)
|
Holding torque
N.m(kgf.cm)
|
Rotor inertia
(×10-4kg.m2)
|
Mass
(Kg)
|
Connection
Cord
|
|
103H7121-0140(0110)
|
One axis
(both axes)
|
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
|
Basic step angle
(°)
|
Voltage
|
Current
(A/phase)
|
Resistance
(Ω/phase)
|
Inductance
(mH/phase)
|
Holding torque
N.m(kgf.cm)
|
Rotor inertia
(×10-4kg.m2)
|
Mass
(Kg)
|
Connection
Cord
|
|
103H7121-5040(5010)
|
One axis
(both axes)
|
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 connections and rotation direction (as viewed from the ounting base)
