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                      | Brand Name: | Casun | 
| Model Number: | 57SHD4816-21B | 
| MOQ: | 1PC | 
| Price: | $3.14-$5 | 
| Payment Terms: | D/A, T/T, L/C, D/P | 
| Supply Ability: | 40000+PCS+Month | 
57x57x76mm Nema 23 Stepper Motor 1.8 Degree 2 Phase 2N.M High Torque
The stepper motor has good controllability and can be driven by appropriate current and voltage.
3D printers, machine tools, CNC robots.
Features:
| Step Angel | 1.8 ° | 
| Fram Size | 57 mm | 
| Number of Phase | 2 Phase | 
| Rated Current | 3.1 A | 
| Holding Torque | 2.3 N.m | 
| Resistance | 1.4 ohm | 
| Inductance | 3.6 mH | 
| Rotor Inertia | 460 g-cm² | 
| Motor weight1 | 1 kg | 
| Number of leads | 4 | 
| Connection | Bipolar | 


Step Angle: 1.8°
Maximum Temperature :80°C maximum
Ambient Temperature: -20 °C to 50°C
Storage Temperature -20: °C to 100°C
Humidity Range (%) :85% or less, non-condensing
Magnet Wire Insulation :Class B 130 deg C
Insulation Resistance :100M Ohm at 500 VDC
Dielectric Strength :500 VDC for 1 min
| Model | Holding Torque | Step Angle | Length | Type of Shaft | Rated Current | 
| 57SHD4013-21B | 0.6N.m | 1.8° | 41mm | D Shaft-21mm | 1.0A | 
| 57SHD4415-21B | 1.1N.m | 1.8° | 54mm | D Shaft-21mm | 3.0A | 
| 57SHD4816-21B | 2.0N.m | 1.8° | 76mm | D Shaft-21mm | 3.0A | 
| 57SHD4913-21B | 2.5N.m | 1.8° | 83mm | D Shaft-21mm | 3.0A | 
| 57SHD4934-20B | 3.0N.m | 1.8° | 100mm | D Shaft-20mm | 3.0A | 
Download
| Encoder | Brake | Gearbox | Shaft | 
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