20mm Nema 11 Stepper Motor 15 Degree Step Angle 10.2V 2-Phase PM Stepping Motor for Robotics and Automation
This 20mm 2-phase 4-wire permanent magnet stepper motor features a precise 15-degree step angle and components manufactured using precision molds. Compared to similar products, it offers superior smooth rotation, reliable positioning torque, and high operational efficiency.
The motor casing and all metal components utilize environmentally friendly electroplating methods, resulting in an exquisite appearance suitable for demanding industrial environments.
The electrical input supports multiple connection methods including probe, FPC cable, PCB, and FFC interfaces. The output section accommodates optical axis, gear wheels, V-groove wheels, and other configurations.
Our engineering team brings over 10 years of experience in stepper motor design, development, and production, enabling custom product development to meet specific customer requirements.
- Medical instruments
- Precision instruments
- Robotics and automation
- Factory automation systems
- Gaming machines
- ATM equipment
- Security equipment
| Parameter | Specification |
|---|---|
| Product Name | 20mm Permanent Magnet Stepper Motor |
| Model | 20BY46-4 |
| Rated Voltage | 10.2 V |
| Coil Resistance | 80 Ω ± 10% |
| Number of Phases | 2 Phases |
| Step Angle | 15 degrees |
| Detent Torque | 30.0 gf-cm max. (No excitation 0 V DC) |
| Pull-Out Torque | 79 gf-cm min. (AT 0 PPS, 10.2 V DC) |
| Max. Starting Frequency | 400 PPS min. (AT 10.2 V DC) |
| Max. Slewing Frequency | 450 PPS min. (AT 10.2 V DC) |
| Insulation Class | Class E for Coils |
| Insulation Strength | 600 V AC for One Second |
| Insulation Resistance | 500 MΩ (DC 100 V) |
| Operating Temperature | -20°C to +70°C |
| Weight | 28 g (Reference) |
| OEM & ODM Service | Available |
| Frequency (pps) | Pull In Torque (gf-cm) | Pull Out Torque (gf-cm) |
|---|---|---|
| 50 | 61.3 | 66.3 |
| 100 | 55.4 | 55.6 |
| 150 | 52.8 | 53 |
| 200 | 47.2 | 48.2 |
| 250 | 41 | 42.7 |
| 300 | 35.3 | 36.7 |
| 350 | 28.1 | 30.5 |
| 400 | 24.4 | 25.3 |
Standard models are shown in the illustration below. Special sizes and configurations can be customized according to specific customer requirements.
Multiple motor input methods available including Pin type, FPC, PCB, and Lead wire configurations. These can be customized to meet specific customer application needs.
- Standard motors in stock: within 3 days
- Standard motors not in stock: within 15 days
- Customized products: Approximately 25-30 days (based on complexity)
- New mold development: Approximately 45 days
- Mass production: Based on order quantity
- Samples: Packed in foam sponge with paper box, shipped by express
- Mass production: Packed in corrugated cartons with transparent film (air shipping)
- Sea shipping: Products packed on pallets
- High quality components at competitive pricing
- Fast delivery with rich inventory management
- Strategic location near Shanghai port for convenient logistics
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.