57X57mm NEMA 23 Closed Loop Motor 1.2Nm 25mm Shaft 2.5A 3V DC Stepper Motor
Product Overview
Nema23 57MMX57MM Hybrid Closed Loop Stepper Motor with 1.2Nm torque, 25mm shaft, 2.5A current rating, and 3V DC operation. Ideal for CNC and SMT applications. The 42mm Hybrid Stepper Motor Series offers powerful holding torque in various sizes. Use with a microstepping driver to reduce vibration and achieve higher step resolution.
Key Features
- Bipolar or unipolar versions available
- Hybrid stepper construction
- Available in single or double shaft versions
- CE and RoHS approved
- Customizations on request
Dimensions
Motor Specifications
| Step Angle | 1.8° |
| Frame Size | 57 mm |
| Number of Phase | 2 Phase |
| Rated Current | 2.5 Amp |
| Holding Torque | 1.2N.m |
| Resistance | 1.2Ω |
| Inductance | 4.2mH |
| Rotor Inertia | 260g-cm² |
| Motor Weight | 0.6 kg |
| Encoder Pulse | 1000 |
| Connection | Bipolar |
Operating Specifications
Motor
| 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°C |
| Insulation Resistance | 100M Ohm at 500 VDC |
| Dielectric Strength | 500 VDC for 1 min |
Encoder
| Voltage | 5V |
| Output | A + A - B + B - Z + Z - |
Available Models
| Model | Holding Torque | Step Angle | Length | Type of Shaft | Rated Current |
| 42SHD4950 | 0.13N.m | 1.8° | 20mm | D Shaft-20mm | 1.0A |
| 42SHD4003 | 0.26N.m | 1.8° | 34mm | D Shaft-20mm | 0.4A |
| 42SHD0261 | 0.45N.m | 1.8° | 40mm | D Shaft-20mm | 1.68A |
| 42SHD4425 | 0.59N.m | 1.8° | 48mm | D Shaft-24mm | 2.0A |
| 42SHD4813 | 0.8N.m | 1.8° | 60mm | D Shaft-24mm | 2.1A |
Customization Options
If our standard motor cannot meet your needs, we can customize the motor according to your requirements. Customized content includes but is not limited to special shafts, winding parameters, installation dimensions, lead wires with special requirements, connectors, etc.
Encoder
Brake
Gearbox
Shaft
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