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Model NO. | Step Angle (°) | Rated Voltage (V) | Rated Current (A) | Phase Resistance (Ω) | Phase Inductance (mH) | Holding Torque (N.m/oz-in) | Rotor Inertia (g.cm²) | Motor Length (mm/in.) | Frame Size (mm/in.) | Lead No. | Shaft | Motor Weight (kg) |
EMA172-2908S4 | 1.8 | 2.3 | 0.8 | 2.9 | 3 | 0.18/25 | 25 | 29/1.14 | 42/1.65 | 4 | Single | 0.16 |
EMA172-3404S4 | 1.8 | 12 | 0.4 | 30 | 35 | 0.31/44 | 34 | 34/1.34 | 42/1.65 | 4 | Single | 0.22 |
EMA172-3408S4 | 1.8 | 4.8 | 0.84 | 5.75 | 8 | 0.27/39 | 34 | 34/1.34 | 42/1.65 | 4 | Single | 0.22 |
EMA172-3417S4 | 1.8 | 2.2 | 1.7 | 1.3 | 1.8 | 0.27/39 | 34 | 34/1.34 | 42/1.65 | 4 | Single | 0.22 |
EMA172-4004S4 | 1.8 | 12.0 | 0.4 | 30 | 60 | 0.41/58 | 54 | 40/1.57 | 42/1.65 | 4 | Single | 0.28 |
EMA174-4008S6 | 1.8 | 6.0 | 0.8 | 7.5 | 6.7 | 0.27/39 | 54 | 40/1.57 | 42/1.65 | 6 | Single | 0.28 |
EMA172-4016S4 | 1.8 | 2.8 | 1.68 | 1.68 | 3.4 | 0.39/56 | 54 | 40/1.57 | 42/1.65 | 4 | Single | 0.28 |
EMA174-4012S6 | 1.8 | 4.0 | 1.2 | 3.3 | 3.5 | 0.29/41 | 54 | 40/1.57 | 42/1.65 | 6 | Single | 0.28 |
EMA172-4804S4 | 1.8 | 12.0 | 0.4 | 30 | 45 | 0.44/62 | 68 | 48/1.89 | 42/1.65 | 4 | Single | 0.38 |
EMA172-4813S4 | 1.8 | 4.6 | 1.3 | 3.5 | 6.6 | 0.54/76 | 68 | 48/1.89 | 42/1.65 | 4 | Single | 0.38 |
EMA172-4815S4 | 1.8 | 4.2 | 1.5 | 2.8 | 5.5 | 0.54/76 | 68 | 48/1.89 | 42/1.65 | 4 | Single | 0.38 |
EMA172-4816S4 | 1.8 | 3.4 | 1.68 | 2 | 3.8 | 0.51/72 | 68 | 48/1.89 | 42/1.65 | 4 | Single | 0.38 |
EMA172-5215S4 | 1.8 | 4.5 | 1.5 | 3 | 7 | 0.67/94 | 80 | 52/2.05 | 42/1.65 | 4 | Single | 0.45 |
EMA172-6015S4 | 1.8 | 3.8 | 1.5 | 2.5 | 6 | 0.69/97 | 95 | 60/2.36 | 42/1.65 | 4 | Single | 0.55 |
![]() Double shaft stepper motors are also available, please contact us for the quotation and the estimated delivery time. |
Technique Parameter for Nema 17 Hybrid Stepper Motor | ||
Motor Type | 2-Phase | ![]() |
Motor Connection Type | Flying Leads | |
Connection Type | Bipolar | |
Step Angle Accuracy | ±5% | |
Resistance Accuracy | ±10% | |
Inductance Accuracy | ±20% | |
Temperature Rise | 80°C (176°F) Max | |
Ambient Temperature | -20°C~+50°C (-4~122°F) | |
Insulation Resistance | 100MΩ Min.500VDC | |
Dielectric Strength | 500VAC for one minute | |
Shaft Radial Play | 0.02Max. (450g-load) | |
Shaft Axial Play | 0.08Max. (450g-load) | |
Max. Radial Force | 28N(20mm from the flange) | |
Max. Axial Force | 10N |
Estimated Delivery Time | ||
Country/Region |
Standard (Business Days) |
Express (Business Days) |
UK, EU (27 Countries) | 6 - 12 | 4 - 6 |
Other European Countries | 6 - 15 | 4 - 7 |
USA, Canada, Mexico | 5 - 10 | 3 - 5 |
Australia, New Zealand, South Asia, East Asia | 7 - 12 | 3 - 5 |
South America, Other Countries/ Regions | 15 - 25 | varying |