I、General Specifications：
| Item | Specifications |
| Step Accuracy | ±5% |
| Temperature Rise | 80℃ Max |
| Ambient temperature Range | -20℃～+50℃ |
| Insulation Resistance | 100ΩMin.500V DC |
| Dielectric Strength | 500V AC 1 Minute |
| Backlash | <2° |
II、Electrical Specifications：
1、Inspection data
| Model | Step Angle | Motor Length | Rated Current | Holding Torque | Lead Wire | Motor Weight |
| （°） | L2（mm） | （A） | （Kg.cm） | （No.） | （kg） | |
| 28GPXXB-28BYG250A03 | 1.8 | 31 | 0.67 | 0.6 | 4 | 0.11 |
2、Selection of a variety of reduction ratio
| reduction ratio | 3.71 | 5.18 | 14 | 19 | 27 | 51 | 71 | 59 | 82 | 100 | 139 |
| Motor Length L1 | 31.4 | 31.4 | 39 | 39 | 39 | 44.2 | 44.2 | 50.6 | 50.6 | 44.2 | 44.2 |
| Weight(Kg) | 0.085 | 0.085 | 0.1 | 0.1 | 0.1 | 0.115 | 0.115 | 0.13 | 0.13 | 0.115 | 0.115 |
III、Mechanical Dimensions：
IV、Wiring Diagram：
Correlation
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