Step Accuracy ------------------------------ ±5%
Resistance Accuracy ----------------------- ±10%
Inductance Accuracy ---------------------- ±20%
Temperature Rise -------------------------- 80°C MAX.
Ambient Temperature Range ------------- -20°C~ +50°C
Storage Temperature Range ------------- -30°C~ +60°C
Insulation Resistance ---------------------- 100M Ω MIN. 500V DC
Dielectric Strength ------------------------- 500V AC 1min
Radial Play --------------------------------- 0.02mm MAX. (450g Load)
End Play ------------------------------------ 0.08mm MAX. (450g Load)
Max. radial force --------------------------- 75N
Max. axial force ---------------------------- 15N
Model No | Step Angle | Motor Length | Current /Phase | Resistance /Phase | Inductance /Phase | Holding Torque | Detent Torque | Rotor Inertia | Motor Weight |
( °) | (L)mm | A | Ω | mH | kg.cm | g.cm | g.cm2 | Kg | |
SM57H3P42-001 | 1.2 | 42 | 5.2 | 1.3 | 1.4 | 4.5 | 210 | 110 | 0.45 |
SM57H3P56-001 | 1.2 | 56 | 5.6 | 0.7 | 1.7 | 9.0 | 400 | 300 | 0.75 |
SM57H3P79-001 | 1.2 | 78 | 5.8 | 1.05 | 2.4 | 15 | 680 | 480 | 1.01 |