| Model |
A2K-M243 |
A3K-M244(W) |
A4K-M245 |
| Max. holding torque |
2.06kgf·cm (0.206 N·m) |
2.97kgf·cm (0.297 N·m) |
3.48kgf·cm (0.348 N·m) |
| Moment of rotor inertia |
33g·cm2 (33x10-7 kg·m2) |
56g·cm2 (56x10-7 kg·m2) |
72g·cm2 (72x10-7 kg·m2) |
| Rated current |
1.2A/Phase |
| Basic step angle |
1.8° / 0.9°(Full/Half step) |
| Insulation class |
B type(130°C) |
| Insulation resistance |
Min. 100MΩ(at 500VDC megger) between motor coil-case |
| Dielectric strength |
0.5kVAC 50/60Hz for 1 min. between Motor coil-case |
| Environment |
Ambient temperature |
0 to 50°C, storage: -20 to 70°C |
| Ambient humidity |
20 to 90%RH, storage: 15 to 95%RH |
| Protection |
IP30(IEC34-5 standard) |
| Unit weight |
Approx. 0.23kg |
Approx. 0.29kg |
Approx. 0.43kg |
| Reference |
Q-50 to 51 |
| Document download |
 |
† Environment resistance is rated at no freezing of condensation..
