NEMA 8 Geared Stepper Motor L=28mm 0.5A with Reduction Ratio 5:1 High Precision Planetary Gearbox
- Part Number: 20HS28-0504S-KGS5
- Lead Time: In Stock
- Unit Price: US $50.00
- *Ship from China
The order will be shipped out in 24-72 hours if the items are in stock. Please feel free to contact us for more discounts if the order is over 999USD.
The NEMA 8 geared stepper motor combines a short 28 mm body, 0.5 A rated current, and a 5:1 precision planetary gearbox, delivering 0–200 RPM and 0.09 N·m torque with 15 arcmin backlash. It is ideal for space-constrained, low-speed, high-torque applications such as automation, robotics, and medical equipment. The matched drive is M322C.
Motor Specification
- Manufacturer Part Number: 20HS28-0504S-KGS5
- Step Angle: 1.8deg w/o gearbox
- Bipolar/Unipolar: Bipolar
- Holding Torque: 0.02Nm w/o gearbox
- Rated Current/phase: 0.4A
- Driving Voltage: 12-24V
- Frame Size: 20x20mm
- Motor Length: 28mm
- Number of Leads: 4
- Lead Length: 300mm
Gearbox Specification
- Gearbox Type: Planetary
- Gear Ratio: 5:1
- Gearbox Efficiency: 96%
- Backlash at No-load: <=15arcmin
- Gearbox Length: 40mm
- Shaft Diameter: Φ6mm
- Shaft Length: 19.5mm
- D-cut Length: 15mm
Connection
- Black: A+, Green: A-, Red: B+, Blue: B-
Contact Frankhumotor for Datasheet, 3D Step. File, Torque Curve
| Product Details | |
| Model Number | 20HS28-0504S-KGS5 |
| Product Type | Geared Stepper |
| Lead Time | in stock |
| Insulation Class | B |
| Protection Class | IP20 |
| Stepper Motor Specification | |
| Step Angle(deg.) | 1.8 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque(N·m) | 0.02 |
| Rated Current(A) | 0.5 |
| Driving Voltage(VDC) | 12-24 |
| Frame Size(mm) | 20x20 |
| Body Length(mm) | 28 |
| Gearbox Specification | |
| Gearbox Type | Precision Planetary |
| Gear Ratio | 5:1 |
| Gearbox Efficiency | 96% |
| Backlash at No-load | 15arcmin |
| Gearbox Length(mm) | 40 |
| Output Shaft Diameter(mm) | 6 |
| Output Shaft Length(mm) | 19.5 |
L1=28mm, L2=40mm
Motor 4 Wires Connection: A+ Black, A- Green; B+ Red, B- Blue
