MITSUMI's Stepping Motors M49SP-3K uses MITSUMI's original structure of 4-layer stator with 49. It realizes almost the same torque and efficiency with the one of a model with 55. It is suitable for compact and space saving product.
The M49SP-3K stepping motor uses Mitsumi's original 4‑layer stator design, providing high‑output torque, high efficiency, and superior quietness and stability. It is intended for compact, space‑saving products such as printers, multifunction machines, copy machines, and fax devices.
The motor operates at a rated voltage of 24 V DC, with a working voltage range of 21.6‑26.4 V DC, and delivers a holding torque of 155 mN·m. Detailed specifications include a step angle of 7.5°, bipolar 2‑phase excitation, and Class E insulation, making it suitable for high‑performance applications.
| Rated Voltage | DC 24V |
|---|---|
| Working Voltage | DC 21.6~26.4V |
| Rated Current/Phase | 1A (PEAK) |
| Number of Phases | 2 Phase |
| Coil DC Resistance | 4.72 Ω/phase +7% |
| Step Angle | 7.5°/step |
| Excitation Method | 2‑2 Phase excitation (Bipolar driving) |
| Insulation Class | Class E |
| Holding Torque | 155 mN·m |
| Pull‑out Torque | 113 mN·m @ 1,100 pps |
| Pull‑in Torque | 118 mN·m @ 250 pps |
| Max Pull‑out Pulse Rate | 2,050 pps |
| Max Pull‑in Pulse Rate | 400 pps |
It is used in printers, multifunction machines, copy machines, fax devices, and similar compact products.
The motor provides high‑output torque, high efficiency, and superior running quietness and stability.
The holding torque is 155 mN·m.