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General Specifications
| Item | Specification |
| Step Angle Accuracy | 5% (Full Step No Load) |
| Resistance Accuracy | ± 10% |
| Inductance Accuracy | ± 20% |
| Tempature Rise | 80ºC Max. (rated current, 2phase on) |
| Ambient Temperature | -10ºC ~ +50ºC |
| Insulation Resistance | 100MΩ Min., 500 Vdc |
| Dielectric Strength | 500 Vac for one minute |
| Shaft Radial Play | 0.06 Max (450 g-load) |
| Shaft Axial Play | 0.08 Max (450 g-load) |
Size 23 Standard Stepping Motor Specifications
| Model No. | Rated Voltage | Per Phase | Holding Torque | # of Leads | Rotor Inertia | Weight | ||||
| Current | Resistance | Inductance | ||||||||
| Single Shaft | Double Shaft | V | A | Ohm | mH | Oz-in | Kg-cm | g-cm2 | Kg | |
| 23H160-110-6A | 23H160-110-6B | 4 | 1.1 | 3.6 | 3.6 | 40 | 2.88 | 6 | 57 | 0.54 |
| 23H160-040-6A | 23H160-040-6B | 12 | 0.4 | 30 | 30 | |||||
| 23H160-156-4A | 23H160-156-4B | 2.8 | 1.56 | 1.8 | 3.6 | 56 | 4 | 4 | ||
| 23H200-085-6A | 23H200-085-6B | 6 | 0.85 | 7.1 | 9 | 69 | 4.97 | 6 | 110 | 0.6 |
| 23H200-042-6A | 23H200-042-6B | 12 | 0.42 | 29 | 36 | |||||
| 23H200-280-4A | 23H200-280-4B | 1.8 | 2.8 | 0.65 | 1.6 | 96 | 6.9 | 4 | ||
| 23H220-120-6A | 23H220-120-6B | 6 | 1.2 | 5 | 8 | 84 | 6.05 | 6 | 135 | 0.65 |
| 23H220-060-6A | 23H220-060-6B | 12 | 0.6 | 20 | 32 | |||||
| 23H220-280-4A | 23H220-280-4B | 2.8 | 2.55 | 1.1 | 3.6 | 117 | 8.4 | 4 | ||
| 23H300-150-6A | 23H300-150-6B | 5.4 | 1.5 | 3.6 | 6 | 125 | 9 | 6 | 200 | 0.95 |
| 23H300-068-6A | 23H300-068-6B | 12 | 0.68 | 17.7 | 30 | |||||
| 23H300-270-4A | 23H300-270-4B | 2.7 | 3.3 | 0.85 | 3 | 175 | 12.5 | 4 | ||
Motor Dimensions

Wiring Diagram

Length
| Model # | A | |
| Inches | mm | |
| 23H160H(M) | 1.6 | 41 |
| 23H200H(M) | 2.0 | 51 |
| 23H220H(M) | 2.2 | 56 |
| 23H300H(M) | 3.0 | 76 |
Motor Modification Options