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Aert Medical
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This 28mm permanent magnet gearbox stepping motor offers powerful holding torque in a variety of sizes, providing reliable performance for precision applications.
| Item | Specification |
|---|---|
| Resistance Accuracy | ±10% |
| Temperature Rise | 60ºC (rated current, 2 phase on) |
| Ambient Temperature | -40ºC ~ +50ºC |
| Insulation Resistance | 100MΩ Min., 500VDC |
| Dielectric Resistance | 600VAC, 1s, 1mA |
| Shaft Radial Play | 0.1mm Max |
| Shaft Axial Play | 0.55mm Max |
| Model NO. | Rated Voltage (VDC) | No. of Phase | Resistance (Ω) | Step Angle (DEG) | Rating Ratio | Starting Freq (pps) | Detent Torque (mN.m) |
|---|---|---|---|---|---|---|---|
| W28BYJ4801 | 12 | 4 | 120 | 5.625/64 | 1:64 | ≥500 | ≥19.6 |
| W28BYJ4802 | 12 | 4 | 200 | 5.625/64 | 1:64 | ≥500 | ≥19.6 |


Price Terms: Our standard price will be FCA price Incoterms 2020. CFR, CIF, and CPT price terms are available for customized orders.






