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General specification | ||
Step accuracy | ±5%(synchronizing, no-load) | |
Temperature rise | 80℃Max | |
Ambient temperature | -10℃—+50℃ | |
Insulation resistance | 100MΩmin.500VDC | |
Voltage resistance | 500VAC for one minute | |
Radial runout | 0.06Max.(450g-load) | |
Axial runout | 0.08Max.(450g-load) | |
Technical specifications | ||||||||||
Model | Step angle (o) | Holding torque N.M | Rated current A | Phase resistance Ohm | Number of lead | |||||
57AM13 | 1.8 | 1.3 | 3.0 | 0.42 | 4 | |||||
57AM23 | 1.8 | 2.3 | 5.0 | 0.64 | 4 | |||||
57AM26 | 1.8 | 2.6 | 5.0 | 0.47 | 4 | |||||
57AM30 | 1.8 | 3.0 | 5.0 | 0.82 | 4 | |||||
Model | Rotor inertia (kg.cm2) | Shaft diameter mm | Phase inductance | Motor body Length L(mm) |
57AM13 | 260 | 8 | 1.53 | 55 |
57AM23 | 460 | 8 | 2.65 | 76 |
57AM26 | 520 | 8 | 2.10 | 84 |
57AM30 | 720 | 8 | 3.73 | 102 |









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